Repro/Genetics DIT Flashcards
layers of the penis?(6)
outer dermis dartos fascia deep bucks fascia tunica albuginea covers -2 copora cavernosa -1 corpus spongeosum urethra
Autonomic stimulation of male sex response
- Associated pathway w/ errection
- Increased what moleculy?
Point and shoot
Parasympathetic -> errection
- NO is release -> increased cGMP-> smooth muscle relaxation -> vasodilatation
Sympathetic -> emission
-move seamen to testes to prostate
Ejactulation - visceral and somatic nerves
Nerves carrying autonomic signal for male sexual response
3
Parasympathetic - pelvic
Sympathetic - hypogastric
Ejaculation - pudendal
landmark for pudendal nerve block?
ischial spine
3 ligaments connecting the the female reproduction to the pelvic wall
- connect specifically to?
cardinal ligament -> cervix (uterine artery)
suspensatory ligament -> ovary (ovarian artery)
broad ligament -> fallopian tube, uterus, ovary
Round ligament of the uterus is a remnant of what and connects to what
remnant of gubernaculum and connects to the labia majora
What connects the ovary to the uterus
ligament of the uterus
-NOT the round ligament
transition zone of the cervix composed of what histology
stratified squamous epithelial -> simple columnar epithelial
does not change much till cilia in the fallopian tube and cuboidal in the ovary
process vaginalis becomes what in the male and female?
male tunica vaginalis - just a covering
female - nothing
Which side of the body drains the gonadal/adrenal veins into the renal vein vs the directly into the IVC
Left
Lymphatic drainiage in repro?
Ovary/testes
proximal 2/3 vagina/uterus
distal 1/3 of vagina/scrotum
para aortic node
obterator, external iliac, hypogastric node
superficial inguinal node
SRY gene is responsible for?
production of testis determining factor and male sexual differentiation
Default path in sexual determination is ?
Female
- need SRY - testis determination factor
What does the mesonephric duct differentiate into in a male? (4)
Needs what to stimulate ?
Seminal vesicles
Epidydimis
vasdeferens
Ejactuatory Duct
NOT the prostate
Need testosterone
What cell produces the testosterone needed in early male differentiation?
What cell produces a product to stimulate the degeneration of the female parts precursor?
Leydig cell
Sertoli cell produces mullerian inhibitory factor to degenerate the paramesenphric duct
What leads the the creation of male external genitalia
Created by what enzyme?
- lack of this causes?
DHT
5 alpha aromatase
- leads to internally a male, externally a ambiguous
No Sertoli cells in a XY male would lead to ?
- no mullerian inhibitory factor
development of both paramesenephric derivatives and mesenephric derivatives (hermaphrodite)
Adult kidney is derived from
metanephros
Biconeate nucleus is due to ?
improper fusion of the paramesonephric ducts
Urogenital folds become what in males and females
Males - ventral shaft of penis
Females - labia minora
the scrotum of the male is analogous to the what on the female
labia majora
- labialscrotal precursor
hypospadius us what and due to?
urethra prematurely opening on the ventral shaft due to improper folding of the urogenital folds
Epispadius is often associated w/
extrophy of the bladder
Urethra is pointed up and the bladder wall can be exposed
due to faulty genital tubercle positioning
genital tubercle comes what in males and females?
clitoris
penis
paramesenephric duct gives rise to what 3 strutires
uterus
fallopian tube
upper portion of the vagina
- (lower is derived from urogenital sinus)
indirect hernias are found (2)
lateral to inferior epigastric and through the deep inguinal canal
direct hernias are found (2)
medial to the inferior epigastric and through the inguinal triangle (tear through inguinal canal)
femoral hernias are found (2)
beneath the inguinal ligament and through the femoral canal
Leydig cells are found where and produce what
Respond to ?
found in the interstitial tissue of seminiferous tubules
Make testosterone in response to LH
Sertoli cells are found where and produce what?
Respond to ?
found in the seminiferous tubule
- maintains the Blood test barrier
Make
- Androgen binding protein
- inhibin in response to FSH
Also responsible for antimullerian hormone
Spermatogenisis begins when?
Which cells are diploid
Which cells are haploid
Which cells lost their sister chromatid?
puberty
primary spermatocytes
-made via mitsosis
secondary spermatocytes
-made via meiosis 1
spermatid
-made via meiosis2
3 Androgens are
Testosterone - testies
DHT -testies
Androstenedione - adrenal
Aromatase is located where and does what?
converts testosterone and androstenedione to estradiol and estrone in the adipose tissue
DHT production is inhibited by what drug?
Finasteride
Testosterone has what toxic effects (4)
masculiniaztion of females
lowers LH in males via neg feedback
gonadal atrophy
high LDL and low HDL
Exogenous testosterone can have what disastrous effect on kids?
closes the epiphyseal plates early
Androgen insensitivity presentation?
Labs?
LH
Testosterone
Estrogen
XY female w/ short vagina - (antimullerian still working so no upper 2/3, but no testosterone -> DHT)
normal looking female otherwise other than testies in the labia majora
Testosterone is HIGH - receptors donāt notice
LH is HIGH
Estrogen is HIGH - being converted by aromatase
Female w/ bilateral lumps in labia majora
androgen insensitivity
ambiguous sex until puberty where develops male secondary sexual characteristics - internally male characteristics
Lab values
LH
Testosterone
Estrogen
auto recessive 5 alpha reductase deficieny
XY male that cant convert testosterone to DHT
LH normal
Testosterone is normal
Estrogen is normal
DHT is LOW
For comparison a testosterone tumor would have high testiest-> low LH
True hermaphoditism
BOTH ovaries and testicular tissue present - very rare
Female that is primary amenorrea and cannot smell
Genetic default?
Kallman syndrome
-low GnRH -> low testosterone and LH
X linked KAL chain mutation
Female pseudohermaphrodite
examples?
XX female w/ internal ovaries but ambiguous/male genitalia
- congenital adrenal insufficiency
- (21 beta hydroxylase deficiency most common)
- exogenous exposure to androgens during pregnancy
Male pseudohermaphrodite
examples?
XY male w/ internal testies but ambiguous/female genitalia
-androgen receptor deficiency
Elevated AFP(alpha feto protein) w/ testicular lump? (2)
Yolk sac tumor*
Teratoma 50%
Elevated bPH w/ testicular lump? (3)
Choriocarcinoma*
Teratoma
embryonal carcinoma
Epidydimitis most commonly caused by (3)
< 35 yrs GC and chlamydia )
-Doxy and ceftriaoxne RX
> 35 yrs/ anal sex enterobacteria
- Rx floroquinolones
Sudden onset of pain in the testicle w/ no relief w/ elevation
Rx?
testicular torsion
medical emergency need to manually untwist or surgical intervention
-absent cremaster
Undecended testicles called?
High risk of?(2)
Cryptochorchidism, usually unitlaeral
increased risk of
- germ cell tumors
- infertility
Bag of worms upon palpation of pampiform plexus? due to?
Not to be confused w/
Varicocele - patent tunica vaginalis
Hydrocele which transluminates
-spermatocele if dilated epidydymal duct
Most common testicular tumor affecting males 15-30
Prognosis?
Histology?
Seminoma
Excellent
Fried egg appearance - large cells w/ watery cytoplasm
Yellow mucinous tumor in a 3 year old male from his testie is?
Secreting?
Yolk sac tumor
Secreting AFP
Schiller Duval bodies found in?
yolk sac tumors
- resemble primitive glomeruli
High hCG seen in this testicular tumor
due to?
Concern of?
choriocarcinoma
- may also see in teratoma and embryonal carcinoma
disordered synctiotrophoblasts and cytotrophoblasts
hematogenous METS to the lung
glandular papillary morphology seen in a testicular tumor that was very painful
secretes?
embryonal carcinoma
- worst prognosis
may secrete - hCG
NORMAL - AFP if pure (increased if mixed)
multiple tissue types seen in a testicular tumor
teratoma
Tumor containing Reinke Crystals and male patient may present w/ gynecomastia
associated w/ (3)
Leydig cell tumor
- crystals are lipofusion pigment and rod shaped
exess testosterone being made
golden brown color
precoious puberty in boys
excess estrogen tumor in males
Sertoli tumor
Testicular tumor in a older male
Testicular lymphoma
METS
Common causes of Sexual dysfunction (3)
3 specific examples of each category except for 1
Drugs*
- Antihypertensives
- nuerolptics
- SSRIs
- ethanol
Disease
- DM*
- depression*
- atherosclerosis*
Psychogenic
-performance
*=80%
Severe drug -drug concern w/ sildenafil and what drug?
Other Side effects?(4)
Nitrates -> hypotension
Flushing
dyspepsia -
blue green color blindness
HA
Other uses of sildenafil
ED
also primary pulmonary HTN
Reynaulds
Bowen disease is?
risk of?
grey solitary crusty plaque on the shaft of penis
Squamous cell Carcinoma
Erythroplasia of Queyrat
red velvety plaque on the glans of the penis
Bowenoid disease
multiple reddish brown papules -
-No risk of Squamous cell
Balanitis
Due to ?
inflammation of the glans of the penis
Often due to candida
- also increased risk w/ DM and uncircumcised
BPH is most commonly found where
Hyperplastic or hyperplasia?
periurethral in the lateral and middle lobes
hyperplasia
Not felt in DRE
modest PSA increase
Moderate increase in PSA and nodular felt on posterior lobe w/ DRE?
prostatic adenocarcinoma
New onset of lower back pain, nontarumati in a male greater than 60
Check what labs(2)
Osteoblastic METS of prostate
PSA and alkaline phos
Rx for prostrate cancer
flutamid
dysuris, frequency, urgency and low back pain suspect in a male
prostiatis
Rx w/
- floroquinolones
- TMP-SMX
3 types of estrogen
- where are they found?
- Most potent
Estrone - males/females from peripheral aromatase
estradiol* - females from ovaries
estriol - from placenta
2 cell theory in estrogen production
Which gonadotropin is responsible for each?
theca cells responding to LH make androstenedione from cholesterol
Converted by granulosa cells w/ FSH stimulation to estradiol using aromatase
Ovulation is due to?
FSH matures a follicle ->
- > Estrogen being slowly made
- > positive feedback on GnRH and anterior pit
- > LH production and surge (inhibin blocks FSH)
- > ovulation
Follicle -> corpus lutem
-> progesterone and estrogen suppressing LH and FSH until dies 2 weeks later
Positive effect estrogen on heart
increased HDL and decreased LDL
Progesterones functions(5)
maintains pregnancy
decreases myocyte contractibility/ smooth muscle relaxation
produces thick cervical mucus to protect from infection and sperm
inhibits LH and FSH
withdrawal leads to menstration (w/out beta hCG)
Role of estrogen(5)
growth of follicle endometrial profliferation secondary sex characteristics up regulation of estrogen receptors increases transport proteins
Which stage of menstrual cycle is steady and what is the length
The luteal/secretory stage is always 14 days
the follicular/proliferative is more variable
Oligomenorrhea
> 35 day cycles
polymenorrhea
<21 day cycles
Menorrhagia
heavy periods
metrorrhagia
irregular frequent periods
think of the metro
menometrorrhagia
combination
- heavy periods
- irregular and frequent periods
Mittelschmerz
brief pain felt w/ ovulation (mid cycle pelvic pain)
Usually brief 5 min
can mimic appendicitis
when does a womenās basal temp go up in a cycle and due to what hormone
24 hrs after ovulation due to progesterone
Fertilization most often occurs where and when
upper end of the fallopian tube
1 day after ovulation
When does implantation of trophoblasts occurs?
Can detect beta hCG in Serum?
in Urine?
6 days after fertilization
blood - 1 week
urine -2 weeks (post missed period)
Beta HCG is similar to what other hormones(3)
LH
FSH
TSH
-similar alpha units
only differs w/ the beta
Which hormones increase throughout pregnancy? (3)
prolactin
progesterone
estriol
beta hCG peaks at first than drops then has a later peak before tapering off and inducing labor
lactation is due to what hormone change
decrease in progesterone, need to get rid of the placenta (
Suckling increases the production of what hormones? (2)
prolactin - milk lactation and lower reproductive function
Oxytocin- bonding and milk letdown
after the corpus luteum in 6 weeks, progesterone primarily is derived from?
synctiotrophoblasts of the placenta
Hormone most directly responsible for ovulation
LH surge
Due to building estrogen induced positive feedback
Contraindications for OCPs? (3)
smokers > 35
migraines w/ aura
history of estrogen dependent tumor
Why does OCP help w/ acne
increases steroid binding proteins in the liver leading to less testosterone
Complications of OCPs
Hypercoaguable state (DVT risk) increased triglycerides Gi/ Nausea Mood changes HTN Rarely weight gain
2 biggest concern w/ depo-provera shot
Bone mineral density loss - use less than 2 yrs
Irregularity on length of action (3-12 months)
Good when unknown reliability of taking medications (OCP) and mental retardation
Why is progesterone given w/ estrogen replacement therapy
Unopposed estrogen -> increased endometrial CA risk
Indications for Hormone replacement therapy in women (2)
Hot flashes and vaginal atrophy
Not osteoperosis - use bisphosphates
what canāt a smoker over the age of 35 have
OCPs
Menopause symptoms
Lab test?
HHVAOC
Hirsituism Hot flashes Vaginal Atrophy Osteroperosis Cardiovascular risk
Increased FSH, also LH and GnRH
rifampin is given to a girl who is on OCPs and she gets pregnant. Why?
Inducing Cyp 450
Coronas, Guiness and PBRS induces Chronic Alcoholism
diffuse painless feeling of sitting on an egg or protrusion in a female?
prolapsed organ
cystocele- bladder
rectocele- rectum
enterocele - small intestine
Vaginismus
spasm of the vaginal wall w/ touch leading to pain
vestibulitis
burning at the opening of the vagina
- psych, trauma of infection may be the cause
positive desmin stain and spindle shaped cells seen in a tumor in a female less than 4
Sacroma botryoides - rhabdomyosarcoma
viral products of HPV leading to CIN and VIN (2)
E6 degrades p53
E7 -inhibits Rb suppression
enlarged dark nuclei w/ perinuclear clearing
koilocytes in HPV
lateral invasion that can block the ureters is a rare complication of this carcinoma
invasive cervical carcinoma
- usually squamous cell
10% adenocarcinoma
most common tumor in women
Leiomyoma
Most common gynecologic malignant CA in women worldwide
Cervical Cancer
Most common gynecologic malignant CA in women in the US
Endometrial Cancer
Chocolate cysts
Pathology also found
endometriosis of the ovary
also found in the peritoneum
Symptoms of endometrious (4)
Rx?
perimenopausal pain (1 week before) pain w/ intercourse pain w/ defication Blood in stool or urine
OCPs
Leuprolide
danazol - historical
Perimenopausal pain w/ enlarging uterus
Pathology?
Diagnosis by?
Adrenomyosis
endometial tissue in the myometrium
Diagnosis is by Rx - hysterectomy
Dysparuneia
Highly suggestive of?
Pain w/ intercourse
endometriosus
adenomyosis*
Smooth muscle w/ endometrial tissue and sawtooth pattern
adenomyosis
excess unopposed estrogen leads to these 2 issues
endometerial hyperplasia
endometrial carcinoma
Gynecological cancer with the worst prognosis?
Ovarian
Found so late it METS
Clinical manifestation of postmenopausal bleeding or menorrhagia/metorrhagia after 35?
Increased risk w?(3)
endometrial hyperplasia -> endometrial carcinoma
anovulatory cycles
Hormone replacement therapy
polycystic syndrome
Risk Factors for endometrial carcinoma?
Hyperplasia HTN Obesity - (increased aromatase action) Nullparity Diabetes Annovulatory cycles
late menopause/early menarche
Whorled pattern of smooth muscle that is well circumscribed
leiomyoma
Symptoms of leiomyoma (4)
Asymptomatic *
Abnormal uterine bleeding
bulk symptoms
rarely pain
Bulky irregularly shaped gynecological tumor w/ areas of necrosis
risk of recurrence?
leiomyosarcoma
HIGH, same as w/ leiomyoma but have no relation (de novo)
Mitotic spindle and desmin + tumor w/ a high rate of recurrence tumor that is very aggressive in 20-40 yr old black female
leiomyosarcoma
What circumstances may you see a high LH (4)
PCOS
periovulation
menopause
androgen insensitivity syndrome
A patient w/ PCOS is most at risk for developing what cancer?
endometrial cancer
What is the underlying cause of PCOS?
Increased LH
Treatment of PCOS and why?(6)
Spiranolactone - Hirsutism Clomiphene - pregnancy Leuprolide - pregnancy Weight lose - for less aromatase Metformin - for insulin resistance medroxyprogesterone - for CA risk and feedback on LH -> lower androgens-> increased SBGH (acne)
Symptoms of PCOS (3 main) (4 associations)
Lab Tests?(4) LH FSH Testosterone/androgen Insulin
amenorrhea
Hirsutism
cysts on US
Acne
Obesity
Insulin resistance
Infertility
Increased LH:FSH ->increased androgens w/ high LH ->Increased estrogen (aromitization) ->decreased FSH (neg feedback) Increased insulin
Test for premature ovarian failure
HIGH FSH
under 40 yrs should be normal
Most common cause of anovulation ?
Also (4)
pregnancy
PCOS Obesity ( high estrogen from aromatase) Starving/stress Endocrine -Cushing -thyroid -hyperprolactemia -adrenal insufficiency
Chemical menopause
leuprolide
Useful drug in infertility Rx
Symptoms?
clomiphene
-partial estrogen agonists
hot flashes ovarian hyperstim and enlargement twins visual disturbances GI and Breast ā
distention of unruptered graafian follicle is?
More often seen in?
follicular cyst, failure of dominant follicle to release egg
very common in young women - especially
-smokers,
tomoxifen
progesterone only birth control
hemorrhage of a blood vessel into a persistent corpus luteum
hemorrgagic corpus luteum cyst - usually self resolving
ovarian torsion more often in (2)
congenital abnormalities
ovarian cysts -> ovary > 5 cm
CA- 125
Useful ovarian CA marker to follow
Risk factors of ovarian CA (2)
pronged uninterrupted cycles
- null parity, late menopause, early Menarche,
Brease feeding protective
Family risk - HNPCC/Lynch and BRCA 1 and 2
4 Main types of ovarian tumors
Epithelial
Germ Cells
Stroma
Metastatic
6 main types of epithelial ovarian cancers
SERious Menstrual ENemies CLEARly BRing MIsery
Serous (cystadenoma or cystadenocarcinoma)
Mucinous (cystadenoma or cystadenocarinoma)
Endometroid
Clear Cell Adenoma
Brenner
Mixed
4 main type of ovarian germ cell cancers
Dysgerminoma
Teratoma
Endodermal Sinus
Choriocarcinoma
3 main type of stromal/sex cell ovarian CA
Granululosa Theca
Leydig Sertoli
Fibroma
Sheets of uniform cells found in a ovarian CA that is secreting hCG and LDH
often associated w/
Dysgerminoma
Turner syndrome
Ovarian tumor where chorionic villi are not present and high secretion of b hCG
risk of spread where?
Choriocarcinoma
to the lungs
Yellow friable mass of a ovarian tumor w/ Schiller Duval bodies (little glomeruli)
Secretes what?
Yolk sac tumor
Secretes AFP
Difference between an Immature and Mature Teratoma in ovarian CA
Mature also called a dermoid cyst, more common and is benign
Immature is aggressively malignant w/ immature neural elements
Struma ovarii
a type of mature teratoma that contains functional thyroid tissue
-> hypeerthyroidism
Ovarian tumor resembling a fallopian tube (ciliated) and is frequently bilateral
serous cystadenoma
Most common
Psammoma bodies seen in this ovarian CA
serous cystadenocarcinoma
malignant
benign intestine like tissue w. mucous secreting epithelium seen on pathology of a ovarian tumor
mucinous cystadenoma
intraperitoneal accumulation of mutinous material from ovarian tumor is called?
Which tumor?
pseudomyxoma peritonei
mucinous cystadenocarcinoma
- looks like an intestinal adenoma
ovarian tumor defined by transitional epithelium and coffee bean nuclei
Brenner tumor
looks like a bladder
Meigs syndrome is what?
Associated w what ovarian tumor that is describes as pulling sensation in the groin?
Ovarian fibroma
ascitis
hydrothorax (pleural effusion)
Fibroma
Ovarian tumor that leads to precious puberty in females?
Seen on pathology?
Granulosa theca tumor
call exner bodies - disarrayed granulosa cells that make pup small follicles filled w/ eiosinophilic secretions
disarrayed granulosa cells that make pup small follicles filled w/ eiosinophilic secretions pathology term
Seen in?
Call exner bodies
seen in granulosa theca cells
Kruckenberg tumor
GI METS to the ovary
mucin secreting signet cell adenocarcinoma
GI METS to the ovary
Seen on path?
Kruckenberg tumor
mucin secreting signet cell adenocarcinoma
Rare ovarian tumor leading to viralization
Sertoli leydig
Can get quite large
Endometroid tumor
adenocarcinoma that is a epithelial ovarian tumor
looks like endometrium
Maternal contribution to the placenta?
decidua basalis
stem cell precursor of the placenta vs the b HCG secreter portion
cytorophoblasts contain stem cells
Syncytiotrophoblasts are the outer layer -> b hCG
Gravida vs Parity
Gravida is number of pregnancies
Parities in # of deliveries > 20 wks
Umbilical cord is made of
-go to
2 uterine arteries from the internal iliac arteries
1 uterine vein -> ductus venosis and IVC
Urine discharge around the umbilicus is due to what defect?
suppose to become?
patent urachus (connects the bladder to the yolk sac)
Urachus -> median umbilical ligament
vesicourachal diverticulum is
outpouching of the bladder
Meconium discharge from the umbilicus due to?
vitilline fistula (connected the midgut to the yolk sac)
partial closure of the vitelline duct is called?
Symptoms?
meckels diverticulum
melana, periumbilcal pian and ulcer
number of chorions and amnions w/ twinning?
Monozygotic timeline
Dizygotic timeline
Dizygotic always has 2
Monozygotic
-Split at 0-4 days: dichorionic/diamniotic
- Split 4-8 days (morula): monochorionic/diamniotic
- Split 8-12 days (blastocyst): monochorionic/monoamniotic (aka sharing everything)
Change in CO and plasma volume with pregnancy?
Other changes? (4)
CO increases 30-50%
Plasma volume increases 50%
respiratory alkalotic w/ hyperventilation
increased GFR
increased prolog factors
peripheral insulin resistance
human placental lactogen released in pregnancy leads to?
hyperinsulemia
hyperglycemia
hyperlypidemia
want to get nutrients to the baby
What is RhoGAM?
anti Rh IgG to prevent mom(Rho -) from forming Antibodies to Rh factor
next kid is screwed if IgG antibodies are made
lecithin sphringomylein useful indicator of what?
lung maturity > 2.0
Chorionic sampling va amniocentesis
CVS is direct sampling of fetal chromosome from the placenta - more risk
amniocentesis- quad and triple screen looking for trysomy - definitive vs mother serum
AFP can be increased in pregnancy screenings for what 3 complications
neural tube defects
multigravida(twins)
abdominal wall abnormalities
improper dating also
Decreased AFP and estriol w/ increased hCG during maternal screen is indicative of
Trisomy 21
Decline in all 3 indicators ( AFP, hCG and Estriol) indicative of
Trisomy 18
Placenta previa presentation
Rx?
attachment of placenta that covers the cervical os or near
presents as painless bleeding in 3rd trimester
- Use and US not your fingers
Rx is c section
Vasa previa
fetal blood vessels cover the cervix
Risk of fetal hemmohage
Lower than expected hCG for dates and sudden lower abdominal pain
Risk Factors
Ectopic pregnancy
Risk factors
- infertility Hx
- PID
- prior surgery
- endometriosis
- IUD IF manages to get pregnant
Causes of polyhydraminos(3)
esophageal atresia
duodenal atresia
anecephaly - lack of swallowing reflex
Causes of olighydraminos (3)
placental insufficiency
bilateral renal agenesis (potters syndrome)
poterior urethral valves)
Potters syndrome(3)
not enough fluid in the placenta that can be due to bilateral renal w/
- oligohydraminos
- facial/limb abnormalities
- pulmonary hypoplasia
Causes of miscarriage (6)
low progesterone chromosomal anomalies - spontaneous trisomy16*** uterine abnormalities infection poor mother heath Autoimmune/clotting disorder
Gestational diabetes is due to ?
leads to?
RX?
human placental lactogen -> increased insulin resistance and hyperglycemia after 20 weeks
high risk of DMII later on
Macrosomia - big baby
still birth w/ toxicity to the placenta
Rs - insulin tight control
Type I or II DM risk in addition to what normally is seen in gestational diabetes(3)
fetal anomalies
- congenital heart defects
- nerual tube defects
- caudal regression syndrome
in addition to usual stillbirth and miscarriage risk
Placenta accreta is?
Increased risk w?
defective attachment of placenta to the myometrium and leads to retained placenta
Increased risk w/ c section ( which also has an increased risk in placenta previa)
Painful bleeding in 3rd trimester
Risk factors?
premature detachment of the placenta
- life threatening
Risk w?
Trauma/abuse/MVA
Ischemia - Cocaine, smoking and HTN
presentation of a pregnant mother in the 3rd rimester w/ anemia, jaundice, RUQ pain and bruising
Due to
Think of HELLP, often associated w/ preeclampsia
Hemolysis
elevated liver enzymes
Low platelets
Eclampsia treatment
Magnesium sulfate IV
Watch for low DTR, pulmonary edema, altered mental status, cardiac conduction defect
Definition of preeclampsia (3)
hypertension(>140/90 by 20 weeks)
proteinuria (>300mg/24hrs
edema
eclampsia w/ seizures
uterus larger than expected for dates as well as very large beta hCG with HTN before 20 wks - think of
Complete hydroform mole
abnormal bleeding w/ honeycomb or snowstorm appearance on ultrasound think of
Concern w?
hydroform mole - complete of not
Choricarcinoma if it is a complete mole
Difference between complete and incomplete hydroform mole
Complete
- XX or XY w/ empty egg fertilized
- 15-20% malignant tophoblast
- HIGH b hCG
PArtial
- XXY, XXX w/ egg
- fetal parts
Common tocolytics (4)
Indomethacin
Magnesium sulfate
Tobutamine
Nefedipine
Common meds to induce labor(3)
Misoprostol - PGE1
Dinoprostol - PGE2
Pitocin/Ocytocin
Chemically induce an abortion and MOA
Mifepristone (RU 486) - competitive antagonist of progesterone
Misoprosterol - stimulate uterine contraction and expelling
Drugs given in Mothers W/ HTN (3)
Meythyldopa
Hydralazine
lobetalol
Drug given to mothers w/ hyperthyroidism
1st trimester propylthiouracil
methmazole after teratogen period
Epilepsy concerns w/ a Mother and what medication changes do we consider (2)
Take of valproic acid if on it
INCREASE folic acid
atrification L ventricle of the heart is associated w/ what drug
Lithium in Mothers
Ebsteins Anomaly
Why is increased folic acid especially important w/ epilepsy patients
Taking medications that may lead to neural tube defects
Valproic acid is especially harmful
Gene linked to Fragile X syndrome and function of that gene
FMR1
(X linked -> men predom)
- trinucleotide repeat disorder
cytoplasmic protein the in brain and testes -> mRNA production of axons and dendrites
Symptoms/presentation of fragile X Syndrome(5)
What cardiac feature?
macro-orchadism long face large jaw everted ears autism
Mitral valve prolapse
Lab test of Down syndrome w/ 2nd semester quad screen
AFP
beta hCG
estriol
inhibin A
AFP - Down
b hCG - UP
estriol - Down
Inhibin A - UP
Lab test of Edwards syndrome w/ 2nd semester quad screen
AFP
beta hCG
estriol
inhibin A
AFP Down
b hCG DOWN
estriol DOWN
inhibin A - Normal
Lab test of Patau syndrome w/ 2nd semester quad screen
AFP
beta hCG
estriol
inhibin A
NOT DONE
1 st trimester may see decreased b hCG and PAPP A
Nuchal translucency seen in (3)
Down Syndrome
Turner Syndrome
Patau Syndrome
2 diseases of higher prevalence in Down Syndrome
ALL
Alzheimers
Presentation of Down Syndrome (7)
2 specifically to look out for later complications right after birth?
mental retardation flat facies prominent epicanthal folds simian crease gap between 1st 2 toes duodenal atresia* congenital heart disease*(endocardial cushion - VSD w/ crest cell migration failure)
Downs may be caused by (3)
Advanced maternal age -> meiotic nondisjunction
Robertsonian translocation
Mosaic
Severe mental retardation, rocker bottom feet, micrognathia, low set ears and prominent occiput
Edwards Syndrome
Severe mental retardation, rocker bottom feet, microcephaly, cleft lip, holoprosencephaly, polydactyl
Platau
- failure of the Sonic gene w/ holoprosencephaly
severe mental retardation, high pitched crying, and microcephaly due to?
Cardiac abnormality?
microdeletion on chromosome 5
Cri-du chat syndrome
VSD
Williams Syndrome is characterized by?(5)
Will Farrell in ELF
microdeletion on chromosome 7
elfin face intelectual disability increased verbal skills extreme friendliness hypercalcemia w/ Vit D senstitivity
22q11 deletion characterized by
CATCH-22, failure of 3 and 4th pouch
Cleft lip Abnormal Facies Thymic dysplasia Cardiac defects Hypocalcemia (no parathyroids)
Digeorge most common
2 types of 22q deletion presentations
Digeorge Syndrome
- thymic,
- parathyroid
- cardiac defects
Velocardiofacial syndrome
- palate
- facial
- cardiac defects
Klinefelters syndrome characterized by?(5)
Labs?
FSH
testosterone
estrogen
XXY males w/
gynectomastia, long torso, testicular atrophy(hypogonadism), w/ infertility
Barr body (XX)
High FSH due to decreased inhibit (seminiferous tubules messed up)
low testosterone
estrogen high
Turner syndrome characterized by?
Labs?
FSH
testosterone
estrogen
OX female that is short w/ broad chest cystic hygroma (webbed neck), streak ovaries
FSH is high
due to LOW estrogen
Cardiac concerns w/ turners syndrome (2)
Bicuspid aortic valve
Coarctation of the aorta
Also has a horseshoe kidney
biggest cause of primary amenorrhea
turner syndrome, need to R/o
Autosomal Dom Diseases(13)
achondroplasia ADPKD Familial adenomatous polyposis Familial hypercholesterolemia osler weber Rendu Hereditary spherocytosis Huntingtons Marfans Multiple endocrine neoplasm Neurofibromatosis 1 neurofibromatosis 2 Tuberous Sclerosis von Hippel Lindau disease
advanced paternal age is associated w. this defect in FGF receptor 3 leading to
Achondroplasia
AD
ADPKD associations beyond the kidney(3)
Affects chromosome?
Which is always bilateral
berry aneurisms
mitral valve prolapse
polycystic liver disease
Chromosome 16
Adematous polyps after puberty due to ?
Which chromosome?
Chromosome 5 carrying the APC gene
Gardners disease?
Gardening polyps and masses all over
polyps in the colon, osteomas, lipomas, sebaceous cysts
Related to FAP
Familial hypercholesterolemia is due?
defective or absent LDL receptor leading to increase in LDL.
Auto Dom
Kid in their 20s presenting w/ an MI think of
Familial hypercholeserolemia
May also have xanthomas
Osler weber rendu is
Presentation(4)
disorder of blood vessels, AD
(also called hereditary hemorragic telangiectasia)
telangiectasia, recurrent epistaxis, skin discoloration (bruising), arteriovenous malformations
Spheroid lymphocytes and increased MCHC are both found in ?
Defect in(2)
Rx?
Hereditary spherocytosis (AD) hemolytic anemia in the spleen by macrophages
ankyrin and spectrin -> increased concentration of Hg relative to size
Rx -splenectomy
spectrin and ankyrin are defective in ?
Test for it?
Hereditary spherocytosis
Increased MCHC
osmotic fragility test
Huntingtons presentation is characterized by (3)
lesion in the?
deficit in what neurotransmitters
depression, progressive dementia, choreiform movement
Lesion in caudate nucleus
Deficit in ACh and GABA
Huntingtons gene is located on
Due to?
Chromosome 4, Auto Dom
trinucleotide repat CAG
Often presents around 40
Marfans is due to a defect in ?
Presentation (3)
Path concerns(3)
Fibrillin 1 gene - Auto Dom
pectus excavatum
tall and lanky
hypermobile joints
cystic medial necrosis of aorta -> aneurysm or dissection
floppy mitral valve
subluxation of the lens
subluxation of the lens w/ cardiac abnormalities especially the aortic root?
Marfans - Auto Dom
MEN 1 tumors
Pituitary adenoma
Parathyroids adenoma
Pancreatic
(diamond)
p53 mutation
auto dom
MEN2A tumors
Medullary thyroid carcinoma
Pheochromocytoma
Parathyroids
RET mutation - Auto Dom
MEN2B tumors
Medullary thyroid carcinoma
Mucosal tumors
Pheochromocytoma
RET mutation - Auto Dom
Neurofibromatosis 1 is found on chromosome?
17
Auto dominant
Presentation of NF1 (4)
cafe au lair spots
neuronal tumors
Lisch nodules (pigments iris hamatomas)
scoliosis also
Person somes in w/ bilateral hearing loss and juvenile cataracts think of?
what also may they have?
Neurofibromatosis type 2
tinitus, vision changes, hyper pigmentation, balance problems
Chromosome 22 - Auto dominant
NF2 mutations is found on chromosome?
22
Auto dominant
Adenoma sebaceum (facial lesions), and seizures, hypo pigmented spots of skin and mental retardation has?
is at increased risk for?(3)
Tuberous sclerosis - Auto dom
seizures are due to cortical harmatomas, also retinal harmatomas
Increased risk of astocytomas, renal angiomyolipomas, cardiac rhabdomyomomas
Tuberous sclerosis inheritance
Auto dominent
incomplete penetrance -> variable presentation
Von hippel lindeau findings? (3)
Associated w/ 50% of the time w?
hemangioblastomas of
- retina
- cerebellum
- medulla
bilateral renal cell carcinomas
Auto dom disease
VHL gene deletion of Chromosome 3 leads to
constitutive expression of HIF - transcription factor -> angiogenic growth facts and hemangioblastomas of retina, cerebellum and medulla
auto dom disease
von hippel lindeau - 3 words - chromosome 3
Trinucleotide repeat diseases(4)
Fragile X
Friedreichs ataxia
Huntingtons
Myotonic dystrophy
CGC
fragile X
GAA
friedreichs ataxia
CAG
Huntingtons
CTG
Myotonic Dystrophy
Anticipation means (2)
in future generations either have:
increased severity
decreased age of onset
Auto Recessive disease(10)
Albinism ARPKD cystic fibrosis glycogen storage diseases hemochromatosis mucopolysacharidosis (except hunters) PKU sickle cell anemia sphingolipdoses (except Fabrys) thalassemia
X linked disorders
Oblivious Female Will Give Her Boys xLinked Disorders
Ocular albinism Fabrys Wiskott Aldrich G6PD deficiency Hunters/Hemophila Brutons Agammaglobulinemia Lesch Nyhann syndrome Dystrophy (Beckers/Duchene)
Cystic fibrososis is caused by a defect where
What does the gene do?
CFTR gene on chromosome 7
Reabsorbs Cl from sweat
Secretes Cl into the lumens of GI tract and lungs -> loosen up
Presentation of CF in an infant(3)
meconium ileus
fatty stools/ FTT (pancreatic def)
chronic bronchitis
Complications of CF
infertility in males Fat soluble deficiencies (FTT) -pancreatic insufficiency chronic bronchitis -bronchiectasis Pseudomonal infections meconium ilieus
Rx for CF(3)
N acytylcysteine
Pancreatic enzymes
Floroquinolones for Pseudomonas
Defect in alpha galactosidase will lead to?
Accumulate what?
Fabrys(X linked)
ceramide trihexoside
2 X linked storage diseases
Fabrys and Hunters
Defect in glucocerebrosidase will lead to?
Accumulate what?
Gauchers Disease
Accumulate Glucocerebroside
Defect in Sphingomyleinase will lead to?
Accumulate?
Niemann Pick Disease
Sphingomylin
Defect in Hexoaminidase A will lead to ?
Accumulate?
Tay Sachs
GM2 ganglioside
Defect in Galactocerebrosidase will lead to?
Accumulate
Krabbe disease
Galactocerebroside
Defect in arylsulfatase A will lead to ?
Accumulate
Metachromic leukodystrophy
Cerebroside sulfate
Defect in alpha L iduronidase will lead to?
Accumulate
Hurlers Syndrome
Heparan sulfate and dermatan sulfate (same as Hunters)
Defect in iduronate sulfatase will lead to ?
Accumulate?
Hunters Syndrome (X Linked)
Accumulate Heparan sulfate and dermatan (Same as Hurlers)
Fabrys disease presents w?(3)
Pain and peripheral neuropathy
angiokeratomas*
cardiovascular/renal disease
-Alpha galactosidase def
Gauchers disease presents w?(3)
Hepatosplenomegaly
- aplastic necrosis of femur
- (Pancytopenia)
- macrophages look like tissue paper(Gaucher cells)
-glucocerebrosidase deficiency
Niemann Picks Disease presents w?(4)
progressive neurodegeneration
Hepatosplenomegaly ** (tay sachs)
Cherry spot on macula
Foam cells*
Spingomyelinase deficiency
Tay Sachs disease presents w?(3)
progressive neurodegeneration NO hepatosplenomegaly (Nieman PicK)* developmental delay
death by 4
defect in hexosamindase A
Krabbe Disease presentation?(4)
Similar to ?
(Myelin sheath disorder ->)
Peripheral neuropathy
Developmental delay
Optic atrophy
defect in galactocerebrosidase
Metachromic leukodytrophy
Metachromic leukodystrophy presentation? (5)
Similar to
(myelin sheath) peripheral demyination ataxia dementia progressive vision loss
Arylsulfatase A defect
Similar to Krabbe Disease
Hurlers syndrome Presentation? (4)
Same class as?
Developmental delay
Gargoylsm (short/coarse facial features)
corneal clouding* (not in hurlers)
hepatosplenomegaly
defect in alpha L iduronidase
Hunters(X linked)
Hunters syndrome presentation
Same class as?
Mild hurlerās syndrome +
aggressive behavior
NO corneal clouding* (Hurlers)
Defect in iduronate sulfatase
Same class as Hurlers
Causal agent of mastitis
Staph aureus
Causes of gynecomastia?((4)
Drugs
Cirrosis
Klinfelters syndrome
hyper estrogen periods - old age, puberty
Benign epithelial lesions of the breast
Proliferative (2)
Nonproliferative atypia(3)
Fibrosis- hyperplasia
Cysts - fluid filled cavities (blue domes)
Sclerosing adenosis - increased glandular tissue (may be Ca)
Epithelial hyperplasia - increase cell layer
Complexing sclerosisng lesion - scar of irregular shape
Benign breast tumors (3)
fibroadenoma
intraductal papilloma
phyllodes tumor
most common tumor under the age of 35
Characterized by?
Fibroadenoma
small mobile firm mass
āsize and tenderness perimenstration
Most common cause of breast discharge in a female
intraductal papilloma.
Bloody or straw colored, unilateral.
Large bulky mass w/ leaf like projections in the breast
Risk of CA?
Phollodes tumor
small
Risk factors for breast CA (3)
increased estrogen exposure -null parity, -lack of breast feeding -older 1st child Family history - BRCA Obesity -peripheral
Common location of breast CA and biggest indicator of prognosis
Upper outer quadrant
lymph node involvement
Erb2 codes for?
HER 2 receptor
an EGF growth factor the is over expressed on some Breast CA
Targeted w/ Trastuzunab
Most common breast mass in post menopausal women
invasive ductal carcinoma
most common breast mass in pre menopausal women
fibrocystic changes
Most common form of breast cancer
invasibe ductal carcinoma
Signet ring cells (2)
lobular breast CA Kruckenberg tumor (GI-> ovary)
Loss of e cadherin adhesion on chromosome 16 is seen in
Lobular CA
- invassive
- in-situ
always ER + and PR positive breast CA
Lobular CA
Risk of Tamoxifen use?(2)
endometrial CA
osteoperosis
Blue dome cyst in breast
fibrocytic changes
Comedocarcinoma?
Subtype of DCIS w/ caseous necrosis
Also - solid, cribiform, papillary, micropapillary
Invasive ductal carcinoma characterized by?
firm fibrous, rock hard mass that is immobile,
Stellate appearance
most common
Most common invasive breast tumor to become bilateral?
invaslive lobular
ER + and PR +
signet cell ring
INflammatory changes in a breast means what is going on?
See?
Dermal lymph involvement of invasive CA
pleu dā orange(dimpling), nipple inversion,
Eczematous patch on the areola and breast?
Histology
Concern of Pagets disease and underlying DCIS
large cells in the epidermis w/ clear ahlo
Fleshy, cellular lymphocytic infiltrate of the breast?
Medullary tumor
SERMS used in breast CA? (2)
Risks?
tomoxifen - prevent and treat ER + breast CA, risk of endometrial CA and bone
Raloxifene- used more for osteoporosis but can work w/ breast CA, NO endometrial risk
Breast CA drug used post menopause
Aromatase inhibitors
-Anastrozole