Repro-Endo: Female Genitals Flashcards
- Cystic dilation on the side of the Vaginal canal
- Mucus-like fluid
- Inflammation and Obstruction of the gland
- Women of Reproductive age (infections, STDs)
- Unilateral
- Painful cystic lesion @ Lower Vestibule adjacent to the Vaginal canal
- Can become an Abcess if untreated - most often caused by *Neisseria gonorrhoeae*
Bartholin Cyst
- Warty neoplasm of Vulvar skin (Large)
-
HPV 6 and HPV 11 (Condyloma acuminatum)
-
Koilocytes - “Crinkled Raisen nuclei”
- Cytoplasmic Vacuolization - Koilocytosis
- Vulvar Skin, Vaginal canal, Cervix
-
Koilocytes - “Crinkled Raisen nuclei”
- Secondary Syphilis (Condyloma latum)
- Rarely progresses to Carcinoma
Condyloma
-
Thinning of the Epidermis ‘paper thin skin’
and Fibrosis (sclerosis) of the dermis - Benign - small risk of SCC
- Leukoplakia (white patch)
- “Parchment-like” Vulvar skin
- Postmenopausal women
- Possibly Autoimmune etiology
Lichen Sclerosis
- Hyperplasia of the Vulvar Squamous epithelium
- White Leukoplakia (due to squamous cell hyperplasia)
w/ Thick, Leathery Vulvar skin - Chronic irritation
- Scratching
- Benign
- NO Risk of SCC
Lichen Simplex Chronicus
- Leukoplakia
- Req’s Biopsy
- (2) HPV related and Non-HPV related
-
HPV 16 and HPV 18 –> Koilocytic change
- Multiple partners, Early first age of intercourse
- Women of Reproductive age
- arises from Vulvar Intraepithelial Neoplasia (VIN)
-
Non-HPV a/w Long-standing Lichen Sclerosis
- evetually Carcinoma, Elderly women > 70 y.o.
- Vulvar Squamous epithelium lining –> Carcinoma
Vulvar Carcinoma
- Malignant epithelial cells in the Epidermis of Vulva
- Red, crusted, Vulvar lesion –> Adenocarcinoma
- Primitive Epithelial Progenitor cells
- Erythematous, Pruritic, Ulcerated skin, Rarely invades
- Must be distinguished from Melenoma
- PAS+, Keratin +, S100- –> Paget cells
- Mucin is Periodic acid-Schiff Positive (PAS+)
- PAS -, Keratin -, S100+ –> Melanoma
- Keratin is an intermediate filament in Epi cells
- PAS+, Keratin +, S100- –> Paget cells
- -> epithelial carcinoma
Extramammary Paget Disease
- Focal persistence of Columnar Epithelium
of Upper Vagina - Exposure to Diethylstilbestrol (DES) in utero
- Lower 1/3 - Squamous Epithelium (Urogenital sinus)
- Upper 2/3 - Columnar Epithelium (Mullerian ducts)
Adenosis
- Malignant proliferation of Glands w/ Clear Cytoplasm
- Complication of DES-associated Vaginal Adenosis (rare)
- Dx during the Late Teenage years
- Discovery lead to cessation of DES usage
- Diethylstilbestrol (DES) was used to prevent a Threatened abortion
- DES inhibits Mullerian Differentiation
- Fallopian tubes, Uterus, Cervix, Upper 1/3 of the Vagina
- Abnormally shaped Uterus
- Cervical Impotence
Clear Cell Adenocarcinoma
- Malignant Mesenchymal Proliferation of Immature Skeletal muscle (rare)
- Rhabdomyoblasts w/ Striations
- Spindle-shaped Tumor cells
- Expresses muscle-specific proteins (Desmin)
- Bleeding - Wall of Bladder, Wall of Vagina
-
Grape-like mass protruding from Vagina or Penis
- “Sarcoma Botryoides”
- Child < 5 y.o.
Embryonal Rhabdomyosarcoma
- Cytoplasmic Cross-striations
- Positive immunohistochemical staining for:
- Desmin - intermediate filament of muscle cells
- Myogenin - Nuclear transcription factor Pos.
Rhabdomyoblast
- Squamous epithelium lining the Vaginal mucosa
- -> Carcinoma
- High Risk HPV 16, 18, 31, 33
- Vaginal Intraepithelial neoplasia (VAIN)
- -> Precursor lesion
- When it spread to Regional Lymph Nodes:
- Lower 1/3 of Vagina –> Inguinal Nodes (primary)
- Upper 2/3 of Vagina –> Regional Iliac Nodes
Vaginal Carcinoma
What kind of tissue lines the Exocervix?
Nonkeratinizing Squamous Epithelium
What kind of tissue lines the Endocervix?
Single layer of Mucus-secreting Columnar cells
Endocervical epithelium normally
migrates down to the Exocervix
What is the Junction between the
Exocervix and the Endocervix called?
Transformation Zone
TZ -Squamous dysplasia and Cancer develop
TZ- sampled when performing a cervical Papanicolaou smear (Pap smear)
- DNA Virus that Infects Lower Genital tract
- Cervix and Transformation Zone
- Infection usually eradicated by Acute Inflammation
- Persistant infection –> Cervical dysplasia
- *(Cervical Intraepithelial Neoplasia (CIN)**
- CIN Risk:
- HPV 6, 11 –> Low Risk
- HPV 16, 18, 31, 33 –> High Risk
- High-risk HPV produces E6 (p53) and E7 (Rb)
HPV
What produces the acidic pH of the Vagina?
Lactobacilli (gram + rod)
produce Lactic acid –> maintains pH of Vagina
- Low Risk 6, 11 and High Risk HPV 16, 18
- Koilocytic - Raisen wrinkled pyknotic nucleus, Disordered Cellular maturation, Nuclear atypia, Increased Mitiotic activity w/in Cervical Epithelium
- Divided into Grades: Extent of Epithelial involvement
- CIN I - < 1/3 thickness of epithelium, 66% reverse
- CIN II - < 2/3 thickness of epithelium, 33% reverse
- CIN III - slightly less than entire thickness, unlikely
- Carcinoma in situ - entire thickness
- Stepwise progression –> SCC (10 yrs per stage, 45 y.o.)
- CIN I often regresses, Higher grade –> more likely SCC
Cervical Intraepithelial Neoplasia (CIN)
- Vaginal Bleeding (Postcoital or Cervical discharge)
- Malodorous discharge
- Cervical Epithelium –> Invasive Carcinoma
- Middle aged women (40 - 50 y.o.)
- HPV –> key High risk factor
- 2nd factors –> Smoking and Immunodeficiency (AIDS)
- Squamous cell carcinoma (80%)
- Adenocarcinoma (15%)
- Both types are related to HPV infection
- **Anterior Uterine wall invasion –> Bladder –> Blocking Ureters –> Hydronephrosis w/ Postrenal Failure
- -> Death in Advanced cases SCC (75% - 80%)**
Cervical Carcinoma
How do you Screen for Cervical Carcinoma?
- Catch the Dysplasia (CIN) before –> Carcinoma
- 10 years per step, avg. 10 - 20 years
- Screening begins at age 21, every 3 years after
- Pap Smear - Gold standard
- cells scraped from Transformation zone w/ Brush
- Low Grade (CIN I) or High Grade (CIN II and III)
- High Grade = Hyperchromatic (dark) nuclei and High nuclear to Cytoplasmic ratios
- Abnormal Pap Smear –> Confirmatory Colposcopy and Biopsy, Limited by Inadequate sampling and Efficacy
Discuss effectiveness of preventing
HPV infections through Immunization?
- Quadrivalent vaccine; HPV 6, 11 and HPV 16, 18
- Ab-HPV 6, 11 –> Protect against Condylomas
- Ab-HPV 16, 18 –> Protect against CIN and Carcinoma (VIAN, and VIN)
-
Pap smears are still necessary due to the limited number of HPV types covered by the Vaccine
- Does not protect against 31, 33, other subtypes
- Protection lasts for ~5 years
Types of Dysmenorrhea?
- Primary Type
- Only occurs in Ovulatory cycles
- Dut to Increased Prostaglandin F2α (PGF2α)
- Increases Uterine Contractions
- Secondary Type
- Endometriosis (most common)
- Adenomyosis
- Leiomyomas
- Cervical stenosis
Menorrhagia?
Regular normal intervals w/ excessive flow and duration
Hypomenorrhea?
Regular normal intervals w/ decreased amount of bleeding
Metrorrhagia?
Irregular intervals w/ excessiv flow and duration
Loss of blood > 80 mL per period
Excessive passage of Clots –> Plasmin does not have enought time to Dissolve clot
Menometrorrhagia?
Irregular or excessive bleeding during menstruation and between periods
Oligomenorrhea?
Menses at Intervals > 35 days
Polymenorrhea?
Menses at interval < 21 days
- Overaggressive Dilation and Curettage (D&C)
- -> Scrap away all the Uterine wall
- -> Loss of the Basalis and Scarring
- -> Secondary Amenorrhea
- Basalis = regenerative layer of Stem cells
Asherman Syndrome
- Lack of Ovulation w/ Uterine Bleeding
- -> Estrogen-driven Proliferative phase w/out a subsequent Progesterone-driven Secretory phase
- Estrogen Grow –> No Progesterone –> Estrogen Grow
- -> Eventual overgrowth of the Blood supply
- **Proliferative glands break down and shed
- -> Uterine Bleeding**
- Common cause of Dysfunctional Uterine Bleeding, especially during Menarch and Menopause
Anovulatory Cycle
- Fever, Inflammation w/ Plasma cells and Lymphocytes
- Abnormal Uterine Bleeding
- Pelvic pain, Utherine tenderness
- Purulent or Foul Vaginal Discharge
- Bacterial infection of the Endometrium following Delivery or Miscarriage
- Group B Streptococcus agalactiae
- Group A Strep, S. aureus, Bacteroides, C. trachomatis, N. gonorrhoeae, E. coli
- A/w Retained products of Conceptions
- Products act as a Nidus for Infection
Acute Endometritis
Tx: Gentamicin + Clindamycin + Ampicillin
- Abnormal Uterine Bleeding
- Pain
- Infertility
- Chronic inflammation of the Endometrium
-
Lymphocytes and Plasma cells*
- Lymphocytes normally found in the Endometrium
- Plasma cells are necessary for Dx
- A/w Retained products of conception, Chronic pelvic inflammatory disease (Chlamydia), IUD, and TB
Chronic Endometritis
- Abnormal Uterine Bleeding
- Menorrhagia (20 - 40 y.o.)
- Hyperplastic protrusion of Endometrium
- Benign Polyp that enlarges w/ Estrogen stimulation
- Can protrude through the Cervix –> Vagina
- A/w Tamoxifen
- Anti-estrogenic effects on the Breast
- Weak Pro-estrogenic effects on Endometrium
Endometrial Polyp
- Dysmenorrhea (Pain during menstruation)
- Abnormal bleeding, Premenstrual Spotting, Menorrhagia
- Pelvic Pain, Painful stooling during menses
- May cause infertility, Dyspareunia,
- Blood-filled cysts, Englargment of Ovaries
-
Endometrial glands and Stroma outside of the Uterine endometrial lining
- Retrograde menstruation w/ implantation at an Ectopic site
- Metaplastic theory of Mullerian duct development
- Lymphatic dessimination Theory
Endometriosis
Tx: Danazol, NSAIDs, OCPs, Progestins, GnRH agonists,
Sx: Bilateral Salpingo-oophorectomy
(5) Other sites of Endometriosis?
- Uterine Ligaments (Pelvic pain)
- Pouch of Douglas (Pain w/ Defecation)
- Bladder wall (Pain w/ Urination)
- Bowel Serosa (Abdominal Pain and Adhesion’s)
- Fallopian Tube Mucosa (Scarring increases risk for Ectopic tubal pregnancy)
- ‘Classically’ appear as Yellow-brown ‘Gun-powder’ nodules
Adenomyosis?
- Uterine enlargment by 2x - 4x “Soft, Bulky, Uterus”
- Menorrhagia, Dysmenorrhea, Pelvic pain
- Invagination of the Stratum Basalis into Myometrium
- Endometrial Glands and Stroma w/ Involvement of the Uterine Myometrium
- Women mid to late 40’s
- Tx: Hysterectomy
- Extend from the Endometrium into the Myometrium
- Anovulatory cycles, HRT, PCOS, Granulosa cell Tumor
- Postmenopausal Uterine Bleeding
- Hyperplasia of Endometrial glands relative to Stroma
-
Consequence of Unopposed Estrogen (excess)
- Obesity*, DM2*, HTN*, Infertility*
- *–> Adenocarcinoma**
- Polycystic Ovary Syndrome
- Estrogen replacement w/out Progesterone
-
Achitecture Growth Pattern (Simple or Complex)
- Cellular atypia: simple hyperplasia w/ atypia often progresses to cancer (30%)
- Complex hyperplasia w/out atypia rarely (< 5%)
Endometrial Hyperplasia
- 55 - 65 y.o.
- Estrogen w/out Progestins
- “HHONDA” - Hyperplasia, HTN, Obesity, Nullparity, DM, Anovulatory cycles
- Postmeopausal Bleeding
- Most common Invasive Carcinoma of the Female Genital Tract
- Malignant proliferation of Endometrial glands
- (2) Arises via two distinct pathways
- Hyperplasia pathway (75%)
- Sporadic pathway (25%)
Endometrial Carcinoma
Hyperplasia pathway of Endometrial Carcinoma?
- 50 - 60 y.o.
- Spreads down into the Endocervix
- Spreads out of the Uterine wall
- A/w Estrogen exposure (DONE-LATE)
- Diabetes mellitus
- Obesity
- Nulliparity
- Estrogen Replacement Therapy
- Late menopause
- Atypical endometrial Hyperplasia
- Tamoxifen therapy for Breast Cancer
- Early menarche
- Endometroid on Histology
Sporadic pathway of Endometrial Carcinoma?
- Arises from an Atrophic Endometrium w/ NO Evident precursor lesion
- > 70 y.o.
- Papillary structures w/ Psammoma body formation
- Serous on Histology
- p53 mutation is common
- -> Finger like growths –> Psammoma bodies
- Tumor exhibits Aggressive behavior
- Usually asymptomatic, Cramping w/ Menses
- Abnormal Uterine Bleeding, Menorrhagia
- Infertility (Obstructive delivery)
- Well-circumscribed ‘Gray-white’ Pelvic mass
- Benign neoplastic Prolif., Smooth muscle arising from Myometrium - Monoclonal
- Spindle-shaped cells w/ ‘Whorled bundles‘
- Menometrorrhagia –> Iron def. Anemia
-
Estrogen exposure
- Premenopausal women
- Often multiple mass w/in the Uterine wall
- Enlarge during Pregnany, Shrink during Menopause
Leiomyoma (Fibroids)
- Numerous atypical Mitoses and Foci of Necrosis
- Single lesion w/ Area of Necrosis and Hemorrhage
- Postmenopausal women
- Arisises de novo
- Malignant proliferation of Smooth muscle arising from the Myometrium
-
Histological Features
- Necrosis
- Mitotic activity
- Cellular atypia
Leiomyosarcoma
Ovarian Follicle functions?
- The functional unit of the Ovary is the Follicle
- Follicle = Oocyte surrounded Granulosa and Theca cells
- LH –> Theca cells –> Androgen production
- FSH –> stim. Granulosa cells –> convert Androgen to Estradiol (drives Proliferative phase of the Endometrial cycle)
- Estradiol surge –> LH surge –> Ovulation (beginning of Secretory phase of the Endometrial cycle)
- Residual Follicle –> Corpus Luteum –> Progesterone (drives Secratory phase –> prepares Endometrium for fertalized egg implantation)
Hemorrhage into a Corpus Luteum?
Results in a Hemorrhagic Corpus Luteal Cyst
Especially during pregnancy
- Obese Young Woman w/ Infertility
- Oligomenorrhea
- Hirsuitism
- Acanthosis nigricans
- Insulin resistance –> may lead to DM2 (10-15 yrears later)
- Hormone imbalance –> Multiple Ovarian Follicular cysts
- ↑ LH and ↓ FSH –> LH:FSH > 2:1 (Imbalance)
- LH –> excess Androgen (Theca cells) –> Hirsutism
- Androgen –> Adipose tissue –> Estrone –> Negative feedback decreases FSH –> Cystic degeneration of Follicles
- High Estrone –> Risk for Endometrial Carcinoma
Polycystic Ovarian Syndrome (PCOS)
(3) Cell Types of the Ovary?
- Surface Epithelium
- Germ Cells
- Sex Cord-stroma
- Most common Ovarian Tumor (70%)
- Derived from Coelomic epithelium (Lines the Ovary)
- -> Produces Epithelial lining of the Fallopian Tube (serous cells), Endometrium and Endocervix (Mucinous cells)
- -> Commonly Seed the Omentum
- (4) Tumor Subtypes
- Serous Tumors (Benign, Malignant, Borderline)
- Mucinous Tumors (Benign, Malignant, Borderline)
- Endometroid Tumor
- Brenner Tumor
- Present Late w/ Vague abdominal symptoms
- CA-125 is a Serum marker for monitoring treatment
Surface Epithelial Tumors of Ovary
Tumors that are full of watery fluid?
Surface Epithelial Serous Tumor
Cysts are lined by ciliated cells, similar to Falloian tube
Tumor that are full of Mucus-like fluid?
Surface Epithelial Mucinous tumor
Lined by Mucus-secreting cells (like the Endocervix)
Seeding my produce Pseudomyxoma peritonei
(Mucinous tumors of the Appendix)
May be a/w Brenner tumor
- Benign tumors are composed of a Single cyst w/ a Simple, Flat-Lining
- Most commonly arise in Premenopausal women
- *(30 - 40 y.o.)**
Cystadenomas - Benign Surface Epithelial Tumors
- Malignant tumors composed of Complex cysts w/ Thick, Shaggy lining
- Postmenopausal women (60-70 y.o.)
Cystadenocarcinomas - Malignant Surface Epithelial Tumors
- Tumor w/ Features between Benign and Malignant
- Better prognosis than Clearly Malignant tumors
- Still carries Metastatic potential
Borderline - Surface Epithelial Tumors
Pts. w/ BRCA1 mutation?
- Increased risk for Serous Carcinoma
- Ovary
- Fallopian tube
- Often elect to have Prophylactic Salpingo-oophorectomy and Prophylactic Mastecomy due to increased risk of Cancer
- Endometrial-like glands of Surface Epithelial
- Usually Malignant a/w Edometrial carcinoma
- May arise from Endometriosis
- Commonly Bilateral
Endometrioid Tumor
- Solid Tumor composed of Bladder-like Epithelium
- “Pale Yellow-tan” in color
- Appears Encapsulated
- “Coffee Bean” nuclei on H&E stain
- Usually Benign (Urothelium cells)
- Contain Walthard cell rests (Transitional-like epithelium)
Brenner Tumors
- Tumor in Woman of Reproductive age (15 - 30 y.o.)
- 2nd most common type of Ovarian Tumor
- Subtypes mimic tissues
- Fetal Tissue –> Cystic Teratoma and Embryonal Carcinoma
- Oocytes –> Dysgerminoma
- Yolk sac –> Endodermal Sinus Tumor
- Placental Tissue –> Choriocarcinoma
Germ Cell Tumors
- Fetal tissue Tumor –> derived from 2 or 3 Embryologic layer
- Skin, Hair, Bone, Cartilage, Gut, and Thyroid tissues
- Most common germ cell tumor
- 10% Bilateral
- Benign, but presence of Immature Tissue or Somatic malignancy
- Rokitansky tubercle - found in nipple-like structure in the cyst wall
Cystic Teratoma - Germ Cell Tumor
Cystic Teratoma Germ Cell tumor
comprised primarily of Thyroid tissue?
Struma Ovarii
Takes up Radioactive Iodine-123
- Tumor composed of Large cells w/ Clear cytoplasm and Central nuclei (resemble oocytes)
- Sheets of uniform “Fried egg” cells
- Serum hCG and LDH may be elevated
- Most common malignant Germ cell tumor
- A/w Streak glands** of **Turner syndrome
- Testicular counterpart is called a Seminoma
- A/w Turner Syndrome
- Good Prognosis
- Responds to Radiotherapy
Dysgerminoma - Germ Cell Tumor
- Tumor that mimics the Yolk sac
- Yellow, Friable (hemorrhagic), Solid mass
- Most common Germ cell tumor in Children
- Elevated Serum AFP
- Aggressive - Ovaries (Females) or Testes (Males) and Sacrococcygeal area in young Children
- 50% have Schiller-Duval bodies (glomerulus-like structures) are classically seen on Histology
- “Glomeruloid-like“
Endometrial Sinus Tumor - Germ Cell Tumor
(Yolk sac Tumor)
- Malignant Tumor –> Cytotrophoblasts and Syncytiotrophoblasts (Trophoblastic Tissue)
- Mimics Placental Tissue, and NO Chorionic Villi
- Small
- Hemorrhagic Tumor
- Hematogenous Spread
- β-hCG produced by **Syncytiotrophoblasts
- -> Theca-lutein cystsin theOvary**
- Good response to Chemotherapy (Methorexate)
Choriocarcinoma - Germ Cell Tumor
- Malignant tumor of Large Prmitive cells
- Aggressive
- Early metastasis
Embryonal Carcinoma - Germ Cell Tumor
- **Estrogen Excess –> Feminizing Tumor
- -> Call-Exner bodies (resemble Primordial follicles)**
- Produces BOTH Estrogen and Progesterone
- Breast tenderness
- Prior to puberty - Precocious Puberty
- Reproductive age - Menorrhagia or Metrorrhagia
- Postmenopause (most common) - Endometrial Hyperplasia w/ Postmenopausal Uterine bleeding
- Neoplastic proliferation of Graunlosa and Theca cells
- Low-grade Malignant (minimal risk of metastasis)
Granulosa - Theca Cell Tumor - Sex Cord-stromal Tumor
(Thecoma)
- Angrogen production Tumor –> Masculinizing tumor
- -> Hirsutism and Virilization
- Sertoli cells –> Form Tubules
- Leydig cells (between tubules) w/ Reinke crystals
- A/w Peutz-Jeghers Syndrome
Sertoli-Leydig Cell Tumor - Sex Cord-stromal Tumor
- Tumor of Bundles of Spindle-shaped Fibroblasts
- A/w Pleural Effusions and Ascites (Meigs syndrome)
-
Meigs Syndrome (Triad)
- Ovarian fibroma
- Ascites
- Hydrothorax
-
Meigs Syndrome (Triad)
- Right-sided pleural effusion
- Commonly calcify - “Pulling Sensation in Groin“
- Resolves w/ removal of Tumor
Fibroma - Sex Cord-stromal Tumor
(3) Sex Cord-Stromal Tumors?
- Granulosa - Theca Cell Tumor
- Sertoli-Leydig Cell Tumor
- Fibroma
- Metastatic Mucinous Tumor involves both Ovaries
- Mucin-secreting Signet ring cells from Hematogenous spread of Adenocarcinoma
- Outside Ovaries that spreads to the Ovaries
- Intestinal cancer–> Ovaries
- Breast cancer –> Ovaries (Lobular carcinoma)
- Colon cancer –> Ovaries
- A/w Metastatic Gastric Carcinoma (Diffuse type)
- Bilaterally helps to distinguis metastases from Primary Mucinous Carcinoma of Ovary (Unilateral)
Krukenberg Tumor
- Massive amounts of Mucus in the Peritoneum
- “Jelly-Belly”
- Due to Mucinous Tumor of the Appendix
- Appendiceal Tumor
- Ovarian Tumor
- Usually w/ Metastasis to the Ovary
Pseudomyxoma Peritonei
(Mucinous Cystadenocarcinoma)
- Lower Quadrant Abdominal Pain after a Missed Period
- ~6 weeks after Previous Menses
- Fertilized ovum at other than Uterine wall –> β-hCG*
- Peritoneal signs (Rebound tenderness > 70%)
- Lumen of the Fallopian Tube - Abnormal Bleeding
- Chronic Salpingitis (may be caused by gonorrhea)
- Intrauterine Tumors
- Endometriosis
- 1st: Scarring
- 2nd: Pelvic Inflammatory Disease or Endometriosis
Ectopic Pregnancy
Tx: Methotrexate
- Miscarriage < 20 weeks Gestation (1/4 pregnancies)
- A/w Chromosomal anomalies (Trisomy 16)
- Hypercoagulable states (Antiphospholid Syndrome)
- Congenital infection
Spontaneous Abortion
Effects of Teratogens on Embryogenesis?
- Exposure to Teratogens (< 2 weeks Embryogenesis)
- 1 - 2 weeks –> Spontaneous Abortion
- 3 - 8 weeks –> Risk of Organ Malformation
- Months 3 - 9 –> Risk of Organ Hypoplasia
- 3rd Timester Bleeding - Painless
- Requires delivery of Fetus by Caesarian section
- Compression of the Placenta during birth can result in Fetal Distress
- Implantation of the Placenta –> Lower Uterine Segment
- Placenta overlies Cervical Os
Placenta Previa
Marginal (Lies near)
Partial (Partially covers)
Complete (Covers Cervical Os)
Vasa Previa - Fetal blood vessels covering the Cervix - can result in Fetal Blood loss and Death w/in minutes
-
3rd Trimester Bleeding and Fetal Insufficiency
- Painful bleeding, Inflammation, Contractions
-
Seperation of Placenta from the Decidua prior to Delivery –> Still Birth
- HTN
- Smoking
- Cocaine
- Advanced maternal Age
- Trauma, MVA, Chorioamnionitis
- Premature Rupture
- Dx: Kleihauer-Betke Test - Fetal RBCs w/in Mom’s Blood
Placenta Abruption
- Improper implantation of Placenta into the Myometrium
- Little or No Intervening Decidua
- Difficult Delivery of the Placenta
- Postpartum Bleeding –> Massive –> Life-threatening
- Often Requires Hysterectomy
Placenta Accreta (attaches strongly to the myometrium, but does not penetrate it)
Placenta Increta (invade into the myometrium)
Placenta Percreta (invade through the myometrium) –> can result in placental attachement to the Rectum or Bladder
Teratogenic effects of Alcohol?
- Most common cause of Mental Retardation
- Leads to Facial abnormalities
- Microcephaly
- Fetal Alcohol Syndrome
Teratogenic effects of Cocaine?
- Intrauterine growth retardation (IUGR)
- Abnormal fetal growth and Fetal addiction
- Placental abruption
Teratogenic effects of Thalidomide?
- Limb Defects
- Phocomelia - underdeveloped limbs
- Micromelia - “flipper” limbs
- Tha-limb-domide
Teratogenic effects of Cigarette smoke?
- Intrauterine growth retardation (IUGR)
- Low Birth Weight
- Preterm labor
- Placental problems
- ADHD
Teratogenic effects of Isotretinoin?
(Accutane)
- Spontaneous abortion
- Hearing and Vision Impairment
Teratogenic effects of Tetracycline?
- Discolored teeth - “Teethracyclines”
Teratogenic effects of Warfarin?
- Fetal Bleeding and Hemorrhage
- Bone deformities
- Abortion
- Ophthalmologic abnormalities
- DO NOT wage Warfare on the baby; keep it Heppy w/ Heparin (does not cross the placenta)
Teratogenic effects of Phenytoin?
- Digit Hypoplasia
- Fetal Hydantoin syndrome: Microcephaly, Dysmorphic craniofacial features, Hypoplastic nails and Distal phalanges, Cardiac defects, IUGR, Intelectual disability
- Cleft Lip / Palate
-
Pregnancy-induced Hypertension (Severe)
- Headaches, Visual abnormalities (Scotoma), Chronic HTN, Oliguria (small amount of Urine)
- After 20th week of Pregnancy
- HTN > 140/90 mmHg
- Proteinuria > 300 mg/24 hours after 20th week to 6 weeks Postpartum
- Edema - Loss of Albumin in Urine
- Weight gain > 4 lbs/wk
- Renal Disease / Liver Disease (↑ AST / ↑ ALT)
-
Abnormalitiy of Maternal-Fetal Vascular Interface in the Placenta
- Resolves w/ Delivery and Drug Tx?
Preeclampsia
- IV Magnesium Sulfate to Prevent Seizure
- Anti-hypertensives
- α-methyldopa
- Labetalol
- Hydralazine
- Nifedipine
Eclampsia?
Preeclampsia + Seizures
- IV Magnesium Sulfate to Prevent Seizure
- Anti-hypertensives
- α-methyldopa
- Labetalol
- Hydralazine
- Nifedipine
HELLP?
- HELLP is Severe Preeclampsia w/ Thrombotic Microangiopathy Involving the Liver
- **Microthrombi –> Schistocytes –> Anemia
- -> Coagulation cascade –> Liver enzymes**
- Tx: Immediate Delivery
- Hemolysis
- Elevated
- Liver enzymes
- Low
- Platelets
- Death of a Healthy Infant
- *1 Month to 1 year Old**
- *w/out Obvious cause**
- Sleeping on Stomach
- Exposure to Cigarette smoke
- Prematurity
Sudden Infant Death Syndrome (SIDS)
- Swollen and Edematous Villi w/ Proliferation of Trophoblastic Tumors (Chorionic villus) –> hCG
- -> Abnormal conception
- Ovum lacks Maternal Chom. / All Paternally derived
- Uterus expansion –> much larger
- β-hCG much higher than expected
- 2nd Trimester w/ “Grape-like masses” through Vagina
- Fetal Heart sounds absent
- ‘Snowstorm’ appearnce on Ultrasound
- Tx: D&C and Methotrexate
- β-hCG monitoring for ensuring adequte mole removal
Hydatidiform Mole
- Genetics:
- Normal ovum fertalize by 2 sperm –> 69 Chromo.
- Chrom. 69 XXY 70%, Chrom. 69 XXX 27%
- Fetal Tissue:
- Present - Fetal parts are present on Imagining
- Villous Edema:
- Some vili are Hydropic, Some are Norma
- Trophoblastic Proliferation:
- Focal proliferation present around Hydropic vili
- Risk for Choriocarcinoma
- Minimal
Partial Mole
- Genetics:
- Empty ovum fertalized by two sperm that duplicates –> 46 chromosomes
- Fetal Tissue:
- Absent
- Villous Edema:
- Most vili are Hydropic
- Trophoblastic Proliferation:
- Diffuse, Circumferential proliferation around Hydropic vili
- “Honeycombed Uterus” or “Clusters of Grapes”
- “Snowstorm”
- Risk for Choriocarcinoma
- 2% - 3% Choriocarcinoma risk
- 15 - 20% Malignant Trophoblastic Disease - Worse
Complete Mole
- Benign Tumor of the Apocrine Sweat Gland
- Painful nodule on the Labia Majora
Papillary Hidradenoma
- Vulvar Dysplasia
- Mild to Carcinoma in-situ (CIS)
- Strong a/w HPV 16
- Precursor –> SCC
Vulvar Intraepithelial Neoplasia (VIN)
- Vagina and Uterus are Underdeveloped or Absent
- Ovaries are usually present and functional
- Primary Amenorrhea
- Genetic and Environmental factors
- Autosomal dominant
Rokitansky-Kuster-Hauser (RKH) Syndrome
- Cyst on the Lateral wall of the Vagina
- Remnant of the Wolffian duct (Mesonephric)
Gartner Duct Cyst
- Vaginal discharge
- Pelvic pain, Dyspareunia
- Painful on palpation
- Bleeds easily when obtaining cultures
- Cervical Os is Erythematous, Covered in Exudate
- Acute Inflammation in the Transformation Zone
-
Chlamydia, N. gonorrhoeae, Trichomonas, Candida,
HSV-2, HPV
Acute Cervicitis
- Chronic Vaginal Discharge
- Chronic Pelvic Pain, Dyspareunia
- Pain on Palpation
- Bleeds easily on Obtaining Cultures
- Cervical Os is Erythematous, Covered in Exudate
Chronic Cervicitis
- Pronounced Lympoid infiltrate w/ Germinal centers
- Vertical transmission of Infection to Newborn
- -> Contact w/ Infected Cervix during Delivery
- C. trachomatis infects Metaplastic Squamous cells
- Phagosomes (Vacuoles) w/ Inclusions (Reticulate bodies)
- Reticulate bodies divide into Elementary bodies
- -> Infective particles of Chlamydia
Follicular Cervicitis
(9) Causes of Hirsutism and Virilization?
- Polycystic Ovary Syndrome (PCOS)
- Idopathic
- Adrenogenital syndrome (congenital adrenal hyperplasia)
- Insulin resistance syndrome
- Drugs: Androgenic progestins, Phenytoin, Cyclosporin
- Ovarian Tumor: Leydic tumor, Sertoli-Leydig tumor
- Adrenal Tumor: Adenoma –> Cushing syndrome
- Obesity –> decreases SHBG –> increases Testosterone
- Hypothyroidism
Amenorrhea?
Absence of Menses by 16 years of age
Family history of a delayed onset of mense
Secondary Amenorrhea?
Absence of Menses for > 6 months in a Pt. who has had Normal menstrual cycles
Most cases are due to Pregnancy
- Cysts around the Fimbriated end of the Fallopian Tube
- May undergo Torsion (> 25%) –> Abdominal pain
- Cystic Mullerian Remnants
Hydatid Cysts of Morgagni
- Uterine bleeding, Vaginal discharge
- Fever > 38.3 C (101 F)
-
Lower Abdominal pain (RUQ Pain 5%)
- Perihepatitis (Fitz-Hughs-Curtis Syndrome)
- Pain w/ Cervical motion, Palpation of Adnexa and Uterus
- Mucopurulent discharge in Cervical Os
- Fallopian tubes filled w/ Pus
- Hydrosalpinx
- N. gonorrhoeae and C. trachomatis
- Other non-STD pathogens.
Pelvic Inflammatory Disease (PID)
- Fallopian Tubal Diverticulosis
- Nodules in the Fallopian Tube that narrow the Lumen
- Beading appearance in areas of Constriction
- Postinfectious reaction
- Infertility, Ectopic pregnancy
Salpingitis Isthmica Nodosa (SIN)
- Involuntary contraction of the muscles of the Pelvic floor
- Pain and prevents Vaginal penetration, Sexual intercourse, and insertion of a Speculum
Vaginismus
- PID w/ RUQ tenderness
- -> Perihepatitis (Infection of the Liver capsule) from Bacterial transmigration across the Peritoneum
Fitz-Hugh-Curtis Syndrome
Teratogenic effects of ACE inhibitors?
- Renal damage
Teratogenic effects of Alkylating Agents?
- Absence of Digits
- Multiple anomalies
Teratogenic effects of Aminoglycosides?
(-mycin)
- CN VIII toxicity
- A mean guy hit the Baby in the Ear.
Teratogenic effects of Carbamazepine?
- Neural tube defects
- Craniofacial defects
- Fingernail Hypoplasia
- Developmental delay
- IUGR (Intrauterine Growth Restriction)
Teratogenic effects of DES (Diethylstilbestrol)?
- Vaginal Clear Cell Adenocarcinoma
- Congenital Mullerian anomalies
Teratogenic effects of Folate antagonists?
- Neural Tube defects
- Methotrexate (ectopic pregnancies)
- Anti-malarials
- Anti-protozoals
Teratogenic effects of Lithium?
- Ebstein anomaly
- (Atrialized Right Ventricle)
Teratogenic effects of Methimazole?
- Aplasia Cutis Congenita
- “Congenital absence of skin”
- Small to Large areas
Teratogenic effects of Valproate?
- Inhibition of Maternal Folate absorption
- -> Neural tube defects
- Valproate inhibits Folate absorption
Teratogenic effects of Iodine?
- Congenital Goiter or Hypothyroidism (Cretinism)
Teratogenic effects of Maternal Diabetes?
- Caudal Regression Syndrome (Anal atresia (not present or wrong location)
- Sirenomelia (Fusion of legs))
- Congenital Heart Defects
- Neural Tube Defects
Teratogenic effects of Vitamin A (excess)?
- Spontaneous Abortions
- Birth defects
- Cleft palate
- Cardiac Abnormalities
Teratogenic effects of X-rays?
- Microcephaly
- Intelectual disability
(3) Failure of the Urachus to Obliterate?
- Patent Urachus - Urine discharge from Umbilicus
-
Urachal cyst - Partial failure of Urachus to Obliterate
- Fluid-filled cavity lined w/ Uropithelium, Between Umbilicus and Bladder
- Can lead to Infection
- Adenocarcinoma
- Vesicourachal diverticulum - Outpouching of bladder
(2) Failure of Vitelline duct to close results in?
- Vitelline Fistulla - Meconium discharge from Umbilicus
-
Meckel diverticulum - Partial closure w/ Patent portion attached to Ileum (True Diverticulum)
- May have Ectopic Gastric Mucosa and/or Pancreatic Tissue
- -> Melena (dark sticky feces containing digested blood), Periumbilical Pain, and Ulcers
- May have Ectopic Gastric Mucosa and/or Pancreatic Tissue
- Tall, Long extremities w/ Gynecomastia and Female Hair distribution
- Reduced Androgens –> Developmental Delay
- Testicular atrophy w/ Eunuchoid Body shape
- Presence of Inactivated X Chromosome (Barr Body)
- 47: XXY
- Hypogonadism –> Infertility work-up
- Dysgenesis of Seminiferous Tubules –> Decreased Inhibin –> Increased FSH
- Abnormal Leydig cell function –>Decreased Testosterone –> Increased LH –> Increased Estrogen
Klinefelter Syndrome
- Short stature, Normal pubic hair, No Breasts, Amenorrhea
- High LH and HIgh FSH
- Narrow, High Arched Palate, Low Set Earys, Low Hairline
- Webbed Neck
- Broad Chest w/ widely spaced Nipples
- Horseshoe Kidney
- Pre-ductal Coarcation of Aorta / Bicuspid Aortic valve
- Cubitus Valgus
- Streak ovaries, Amenorrhea and Infertility
- Lack of Paternal X Chromosomes –> Loss of Ovarian follicles by Age 2
- Monosomy (45, X0) or Mosaicism (45, XO/46,XX)
Turner Syndrome
- Very Tall
- Severe Acne
- Antisocial behavior
- Normal Fertility
- Autism specrtum disorders (Criminals)
Double (XYY) Males
- Both Ovary and Testicular Tissue is present
- Ovotestis
- It can be caused by the division of one Ovum, followed by fertilization of each haploid ovum and fusion of the two zygotes early in development.
- Ambiguous genitalia
- Very Rare
True Hermaphroditism
(46,XX or 47,XXY)
- Ovaries present
- External genitalia are Virilized or Ambiguous
- Excessive / Inappropriate exposure to Androgenic steroids during early gestation
- Congenital Adrenal Hyperplasia
- Exogenous administration of Adrogens during pregnancy
Female Pseudohermaphrodite (XX)
- Testes present
- External Genitalia are Female or Ambiguous
- Androgen Insensitivity syndrome (Testicular feminization)
Male Pseudohermaphrodite (XY)
- Inability to Synthesize:
Androgens –> into –> Estrogens - Masculilinization of Female Infants (46, XX)
–> Ambiguous Genitalia - Increased Serum Testosterone and Androstendione
- Fetal Angrogens cross the Placenta
–> Maternal virilization during Pregnancy
Aromatase Deficiency
- **Female External Genitalia appears normal
- -> Rudimentary vagina**
- -> Uterus and Fallopian tubes generally **absent
- ->**Does Not develop Paramesonephric ducts
- Scant Sexual hair
- Develops Testes (w/in Labia Majora, Sx removed)
- Defect in Androgen receptor
- -> Normal appearing Female
- Increased Testosterone
- Increased Estrogen
- Increased LH
Androgen Insensitivity Syndrome (46, XY)
- Ambiguous genitalia until puberty
- -> Increased Testosterone –> Masculinization
- -> Growth of External genitalia
- Inability Testosterone –> DHT
- Autosomal recessive
- Sex limited to genetic males (46, XY)
- Testosterone / Estrogen lvls are Normal
- LH normal or Increased
- Internal genitalia are Normal
5α-reductase Deficiency
- Low Sperm count in Males
- Amenorrhea in Females
- Failure to complete Puberty
- -> Hypogonadotropic Hypogonadism
- Defective migration of GnRH cells
- -> Lack of Formation of Olfactory bulb
- -> Decreased syn. of GnRH in Hypothalamus
- Anosmia (inability to percieve odor)
- Decreased GnRH, FSH, LH, Testosterone, Infertility
Kallmann Syndrome
- BP > 140/90 mmHg after the 20th week of Gestation
- No pre-existing HTN
- No Proteinuria
- No End-organ damage
What is it and what drugs are appropriate for Tx?
Gestational HTN
(Pregnancy Induced HTN)
- Anti-hypertensives
- α-methyldopa
- Labetalol
- Hydralazine
- Nifedipine
- > 1.5 - 2 Liters of Amniotic Fluid
- A/w Fetal malformations –> Inability to swallow fluid
- Maternal diabetes
- Fetal anemia
- Multiple gestations
- Esophageal atresia
- Duodenal atresia
- Anencephaly
Polyhydramnios
- < 0.5 L of Amniotic fluid
- A/w Placental insufficiency
- Bilateral Renal agenesis
- Posterior Urethral valves (in males)
- -> Inability to secrete Urine
- Can cause Potter sequence
Oligohydramnios
- Potter Sequence
- Oligohydramnios
- Limb and Facial deformaties
- Pulmonary Hypoplasia
- Distention of Unruptured Graafian Follicle
- A/w Hyperestrogenism and Endometrial Hyperplasia
- Most common Ovarian mass in Young women
Follicular Cyst
- Hemorrhage into persistent Corpus Luteum
- Regresses Spontaneously
Corpus Luteum Cyst
- Gonadotropin stimulation –> Bilateral/Multiple
- -> Luteinization and Hypertrophy of Theca Interna layer of Ovary
- Increased LH
- Increased β-hCG
- A/w Choriocarcinoma and Moles
Theca-lutein Cyst
- Cystic growths filled w/ various types of Tissue
- Fat, Hair, Teeth, Bits of Bone, Cartilage
- Mature Teratoma
Dermoid Cyst
- Endometriosis w/in the Ovary w/ Cyst Formation
- Varies w/ Menstrual cycle
- Filled w/ Dark, Reddish-brown Blood
Chocolate Cyst
- Thin-walled, Uni- or Multi- Locular
- Lined w/ Fallopian-like Epithelium (Ciliated!)
- Often Bilateral
Serous Cystadenoma
- Multiloculated, Large, Unilateral cyst lined by Mucus-secreting epithelium
- Looks similar to Intestines.
Mucinous Cystadenoma
- Mass arising from growth of Ectopic Endometrial Tissue
- Presents w/ Pelvic pain, Dysmenorrhea, Dyspareunia
Endometrioma
- Aggressive
- Contains Fetal tissue
- Neuroectoderm
- Immature / Embryonic-like Neural Tissue
- Mature Teratoma are more likely to contain Thyroid Tissue
Immature Teratoma
Teratogenic effects of Fluoroquinolones?
Cartilage Damage
Teratogenic effects of Chloramphenicol?
Gray Baby Syndrome
(Ash color, Low Tone)