Genitourinary Disorders Flashcards
How and where does the enlargement occur in BPH?
Periurethral enlargement from proximal to distal
Etiologic risk factors for BPH?
gaining (age related changes in androgen levels)
genetics
race
diet
What coverts DHT to T?
5a-reductase
What is the function of DHT?
Supports prostate str and fx
What imbalance occurs in BPH?
T:E imbalance. Quantitative decrease in T and relative increase in E
What is the role of E in BPH? How does it work within its pathology?
E sensitizes prostatic cells to DHT.
More E = more sensitive
= increased growth
What 2 cellular adaptations occur in BPH?
Hyperplasia of periurethral tissue
Hypertrophy of smooth muscle
2 compensations during BPH?
bladder wall thickens
trabeculations & diverticula form
2 complications from BPH and why do they occur?
calculi formation and infection due to urine stasis
Consequential structural changes during BPH?
hydroureter (ureters distend w urine)
fishhook ureters (ureters loop downward)
hydronephrosis (distention of renal pelvis and calices with urine)
5 Diagnostics for BPH?
DRE PSA BUN Creatinine Urinalysis
What is PSA and what is it used for?
Prostate specific antigen
Normal component of prostatic fluid
Proportional to prostatic mass
What additional diagnostic test is needed to calculate PSAD and PSAV?
US
What kind of neoplasia occurs in prostate CA? (4)
Adenocarcinoma of peripheral origin, multi centric, beneath the capsule
Where does extension occur in Prostate CA
Where does mets?
Bladder & seminal vesicle
Bone, liver, lungs
Manifestations of Prostate CA and why?
Prostatitis r/t mets and invasion
Hip & back pain r/t bone mets
1st line tx for prostate CA?
anti androgens (eg. estrogen)
What does a radical prostatectomy include?
prostate and seminal vesicle
What is inflamed in PID
reproductive tract beyond cervix (excluding vagina)
What is affected in PID
uterus (endometritis)
tubes (salpingitis)
ovary (oophoritis)
Etiologic factors (specific bacteria) for PID
POLYMICROBAL/PYOGENIC
chlamydia, gonococci, staphylococci, strepcocci, E-coli
What untreated STIs can cause PID?
gonorrhoea or chlamydia
When do the microbes enter the cervix in PID? Why is this time beneficial for their survival?
Menstruation
Menstrual slough is rich in nutrients
Complications of PID (4)
Pelvic abscess
Peritonitis
Systemic Spread
Parametritis
Manifestations of PID (7)
abd pain heavy purulent vaginal discharge dyspareunia (pain during intercourse) adnexal tenderness fever vaginal bleeding leukocytosis
What will be elevated in PID
ESR and CRP
Tx PID
multiple broad spectrum Abx
What hormonal factors are risks for developing breast CA?
E admin for menopause, early menarche, late menopause, nulliparity
What hereditary genes contribute to breast CA?
BRCA1 gene on Chr 17
BRCA2 gene on Chr 13
8 types breast CA?
ductal carcinoma in situ infiltrating ductal carcinoma infiltrating lobular carcinoma inflammatory carcinoma medullary carcinoma mucinous carcinoma tubular ductal carcinoma Paget's disease
What stage in ductal carcinoma in situ? What does this mean? Is it invasive?
- If not treated, will become invasive
No
Most common breast CA?
infiltrating ductal carcinoma
Where do most malignancies occur in breast CA?
Tail of spence
Where does infiltrating ductal carcinoma mets to?
Axillary lymph nodes, liver, bone, brain
What is the mass like in infiltrating ductal carcinoma?
fixed
irregular
painless
Later manifestations of infiltrating ductal carcinoma?
nipple discharge, retraction and edema
What is the biopsy looking for in breast CA?
surface receptors for E and Progesterone.
If there are lots of surface receptors for E or P in breast CA biopsy, what does this mean?
The tumor is dependent on hormones for support
Serum marker for breast CA?
CEA (carcinoembryonic antigen)
protein needed for cell adhesion
also for Colorectal CA
Why would we treat a hormone dependent tumor with more of the hormone?
High doses of hormones will decrease number of receptors on tumor
If E/P receptors high in breast CA, what is a tx?
tamoxifen (antiestrogen, non steroidal)
Lumpectomy
removal of tumor and surrounding tissue
Quadrantectomy
removal of quadrant
Mastectomy
entire breast
What determines the prognosis of breast CA?
not the breast tissue involved, but lymph node involvement
Why is ovarian CA the most lethal CA? (4)
no screen
difficult to dx
silent advancement
mets at dx
Et/risks for ovarian CA?
age, increased ovulatory age (age of oocytes, first menses - menopause), autosomal dominant, familial history, nullipatiry, infertility, dysmenorrhea
What familial history is pertinent in ovarian CA?
breast/ovarian CA of 1st/2nd degree relatives
What kind of malignancy is ovarian CA usually?what other kinds of tumors are possible?
epithelial
germ cell, stromal
Where does extension in ovarian CA happen?
tubes, uterus, ligaments, other ovary
Where does seeding occur in ovarian CA?
mesentery, bowel, liver
How does mets occur in ovarian CA?
via lymph/blood
Early manifestations of ovarian CA?
nonspecific GI disturbances
Uterine CA is also known as
Endometrial CA
Why is obesity a risk for uterine CA?
adipose tissue stores and synthesizes E & hyperestrogenism is a risk factor for this CA
Risk factors for uterine CA?
obesity, hyperestrogenism, age, pelvic radiation, DM, HTN
Every month, what normal cellular adaptation happens in the uterus? How does this become abnormal in uterine CA?
hyperplasia of endometrium
++ E = hyperplasia -> dysplasia -> anaplasia
What kind of neoplasia is uterine CA?
adenocarcinoma
Type 1 uterine CA
E dependent, from hyperestrogenism
Type 2 uterine CA
non E dependent
associated c atrophy of endometrium (those with atrophied endometriums who get uterine CA will get type 2)
poor prognosis
Et/risks for cervical CA
HPV infection, early age sex, multiple partners, unprotected sex, smoking, hx of STDs
What strains of HPV cause genital warts? Which ones cause cervical CA?
6 & 11
16 & 18
What kind of cell origin is cervical CA?
squamous cell origin
3 stages cervical CA (not CIN)
dysplasia
carcinoma in situ
invasive CA
CIN levels
CIN1: preCA, mild dysplasia
CIN2: PreCA, moderate dysplasia
CIN3: severe dysplasia, carcinoma in situ
What scope is done to dx cervical CA?
colposcopy
What 2 factors can contribute to menstrual pattern changes?
lack of ovulation
disturbances of hormone patterns
What is amenorrhea?
No menstruation
What is primary amenorrhea?
no menstruation if over 15 years or 13 years if the woman has no secondary sex characteristic
What is secondary amenorrhea?
cessation of menses for at least 6 months when normal cycles were present
What causes primary amenorrhea? (4)
gonadal dysgenesis, congenital mullerian genesis, testicular feminization, hypothalamic-pituitary ovarian axis
What causes secondary amenorrhea? (8)
ovarian, pituitary or hypothalamic dysfunction intrauterine adhesions infections (syphilis or TB) pituitary tumor anorexia \++ physical activity
How can menstruation be induced in the treatment of amenorrhea?
cyclic P and E
What is dysmenorrhea?
Pain and discomfort with menstruation
Primary dysmenorrhea is
menstrual pain not associated pathologically, after menarche, systemic symptoms
secondary dysmenorrhea
caused by organic conditions such as endometriosis, uterine fibrosis, adenomyosis, IUDs, PID
Tx of dysmenorrhea
symptom control, prostaglandin synthetase inhibitors, ovulation suppression (oral contraceptives)
What is the significance of prostaglandins in dysmenorrhea?
++ PG = painful uterine contractions and arteriolar vasospasm
What is Menorrhagia?
Prolonged/excessive bleeding at time of regular flow
What causes menorrhagia?
EARLY IN LIFE
endocrine imbalance
LATER IN LIFE
inflammatory disturbances, tumors in uterus, hormonal imbalance
What is metorrhagia?
Vaginal bleeding between regular menstrual periods
What kind of renal CA occurs in children?
Wilms Tumor
Why is Wilms tumor called an embryonic kidney tumor?
Composed of elements that resemble normal fetal tissue
What congenital abnormalities are associated with Wilms tumor?
Anirida, hemihypertrophy
What gene mutation is associated with Wilms tumor?
WT1 gene on Chr 11 encoding for factor needed for kidney development
What does Wilms tumor look like?
solitary mass, encapsulated, distends kidney
Manifestations of Wilms tumor?
asymptomatic abdominal mass, HTN, abd pain, vomiting
What Renal CA affects adults?
Renal Cell Carcinoma
Risk factors for Renal Cell Carcinoma
smoking, kidney CA, obesity, exposure, chronic renal insufficiency, acquired cystic kidney disease
5 Kinds of Renal Cell Carcinoma and the most common?
Clear cell carcinoma (most common) Papillary tumors Chromophoric tumors oncocytomas collecting duct tumors
What features of clear cell carcinoma?
clear cytoplasm
Chr 3 deletion
proximal epithelial cell origin
Symptoms of Renal Cell Carcinoma indicate…
What are they…
Advanced disease
Hematuria and flank pain, presence of palpable flank mass
What MO is associated with bladder CA
S. Maematobium parasite
What 2 kinds tumors bladder CA
High grade invasive and low grade invasive
Risks for bladder CA
carcinogens excreted in urine (dyes), smoking, UTIs, stones
What is a the neoplasm derived from in bladder CA?
Transitional epithelial cells lining bladder
3 hematuria associated with bladder CA?
painless, gross, microscopic
What diagnostics are done for high risk patients bladder CA
periodic urine cytology, cystoscopy, biopsy, US, CT
What tx bladder CA
endoscopic resection, diathermy
What 4 defences does the UT have?
mucin layer (secreted by bladder cells prevents contact with urine), washout, prostatic fluid (antimicrobial), women = periurethral flora (microbial antagonism)
What bacteria usually causes lower UTI and pyelonephritis?
E coli
Pyelonephritis is the inflammation of…
The upper UTI including the renal pelvis and parenchyma
What risks associated with pyelonephritis?
suppressed immunity, catheterization, urinary reflux, DM
Chronic for pyelonephritis, 3 points
recurrent inflammation = obstr/reflux
renal damage = renal failure
fibrosis and scar tissue
Pyuria in pyelonephritis is
pus in urine
what is a serious manifestation in chronic pyelonephritis?
Severe HTN
5 Categories of glomerular disease
Nephrotic syndromes Nephritic syndromes Sediment disorders Chronic glomerulonephritis Rapidly progressive glomerulonephritis
Characteristics of nephrotic syndromes
increase perm of G = increased filtrate and abnormal urine composition
fluid and protein loss
Characteristic of nephritic syndromes
decreased permeability of G, fluid and NW retention = azotemia
Patients with glomerular disease can often present with both…
nephritic and nephrotic syndromes
Sediment disorder characteristics
hematuria and or proteinuria
Acute post infectious glomerulonephritis is an example of what glomerular disease?
Rapidly progressive glomerulonephritis
What precedes Acute post infectious glomerulonephritis?
An A beta hemolytic strep infection
dermal or pharyngeal
Who does Acute post infectious glomerulonephritis affect mostly?
children
adults - 30% will develop RF
Patho Acute post infectious glomerulonephritis
T3HS
IC traps in G = GF impeded
Hypercellularity (leukoytes, endothelial cells, mesangeal cells)
glomerular enlargement d/t inflm
What are some initial and late mnfts of Acute post infectious glomerulonephritis
initially = oliguria d/t impaired filtration d/t IC imbedding
then = proteinuria and hematuria d/t later inflammatory damage
Increased BUN and Creatinine
HTN & edema
Where do renal calculi occur?
Anywhere in the UT
What 3 factors can contribute to the formation of renal calculi?
Structural changes
Increased [blood/urine]
dietary & metabolic factors
What usually inhibits crystallization for renal calculi formation?
3 kidney proteins
4 types of kidney stones
Calcium (oxalate+phosphate)
Magnesium ammonium phosphate (struvite)
Uric Acid (urate)
Cystine
What quality of pain occurs with renal calculi?
Renal colic
When does non colicky pain occur with renal calculi?
staghorn calculi
IVP is what and for which condition?
intravenous pyelogram
renal calculi
renal calculi
Passed spontaneously
What 3 drugs are given for renal calculi?
Morphine
Dimenhydrinate
Buscopam (antispasmodics)
Sx for renal calculi?
Lithotripsy
Stress incontinence (3)
change in urethro-vesicular angle (d/t pelvic distention/childbirth)
weak sphincter
Increased intrabdominal pressure (coughing/laughing)
Overflow incontinence (2)
intravesicular pressure > urethral pressure
retention and bladder distension
Overactive bladder (2)
Hyperactive detrusor muscle
Neurogenic/myogenic problem
Why are alpha adrenergic agonists used for urinary incontinence?
They cause contraction of the urethral sphincter (fortify and strengthen)
2 major problems in ARF
fluid/electrolyte imbalance
azotemia
How much urine must be produced each day to avoid azotemia?
400 mL/day
What is oliguria?
100-400 mL/day
What is anuria?
Main etiologic factors for ARF?
hypotension/hypovolemia
Pre Renal ARF presents with
oliguria and ischemia
Infrarenal ARF 3 stages
Initiating phase = precipitating event -> manifestations
Maintenance phase = Decreased GFR, oliguria
Recovery phase = tissue repair and gradual increased in GFR
Why are you monitoring closely when administering fluids to those in ARF
Kidneys cannot make adjustment
3 stages CRF
Diminished renal reserve
Renal insufficiency
Renal failure
Diminished renal reserve
GFR
Renal Insufficiency
GFR 20-50% of normal
Renal Failure
GFR
End stage CRF
GFR
How can STDs be transmitted?
Via genitalia, mouth, rectum, skin, placenta
Why are females at a higher risk for contracting STDs?
Higher SA = higher probability of transmission
What are the viral STDs
Herpes, warts, AIDS
What are the bacterial STDs
syphilis, chlamydia, gonorrhoea, chancroid
What predisposes someone at a higher risk of contracting a STD
multiple partners, unsafe practices, drug abuse, underserved medically, prior STDs, noncompliant STD tx
What virus causes genital herpes
HSVT2
What kind of virus is herpes simplex two
A neurotrophic microbe = replicates in neurons
Does genital herpes always present with symptoms?
No. Can be subclinical
What causes genital warts?
HPV 6 & 11
What topical drugs are available for genital warts?
Antimitotic and cytotoxic
What causes syphilis? What kind of organism is it?
Treponema pallidum
Spirochetes
Long gen time
How is syphilis spread?
Contact with lesions and through placenta
How does the syphilis microbe replicate?
Replicates and distributes systemically
Complications of syphilis?
Blindness, paralysis, heart disease, death
At which stages can syphilis be eradicated?
primary and secondary
What happens in the primary stage of syphilis?
Painless chancre at exposure site
Healing 3-12 weeks
Regional lymphadenopathy
What happens in the secondary stage of syphilis?
Maculopapular rash to palms/soles
Patches on mucous meds/flat papule
Generalized lymphadenopathy
Fever, malaise
Why is long acting penicillin used for syphilis?
long generation time
What causes chlamydia?
Chlamydia trachomatis
Male symptoms chlamydia
white clear DC, mild dysuria, testicular pain
Female symptoms chlamydia
mucopurulent vaginal DC, dysuria, bleeding, pelvic pain d/t PID
Tx for chlamydia
Doxycycline or azithromycin
What bacteria causes gonorrhoea?
Neisseria gonorrhoeae (Gm -, diplococcus)
Local symptoms of gonorrhoea M/F
Female= purulent vaginal DC, dysuria, late = pelvic pain Male= urethral DC, dysuria
Systemic manifestations of gonorrhoea
bacteremia/septicemia, pharyngeal infection, conjunctivitis, arthritis-dermatitis syndrome
Tx gonorrhoea
1st line: cepholasporins 2nd: increase dose + another class of Abx