Female Genital system and Breast Flashcards
- Disease of vulva and vagina:
VULVITIS
= inflammation of the vulva (external female genital organs)
CAUSES:
- HPV: condyloma acuminata + valvular intraepithelial neoplasia
- HSV-2: papule progress to vesicle and converge to ulcers. Painful.
- Syphilis: T.pallidum, primary chancre
- Candida albicans: vulvovaginatis, small white patches with leucorrhea + itching
- Gonorrhea: N.gonorrhea, suppurative infection of vulvovaginal glands
- Disease of vulva and vagina:
CONTACT DERMATITIS
- vulvar pruritus
- reactive inflammation to exogenous stimulus - irritant or allergen
- Disease of vulva and vagina:
LICHEN SCLEROSUS
- non-neoplastic epithelial disorder
- thinning of epidermis + loss of rete pegs, hydraulic degeneration of basal cells, superficial hyperkeratosis + dermal fibrosis
- smooth, white plagues
- autoimmune reaction
- most common in post-menopausal women
- Disease of vulva and vagina:
LICHEN SIMPLEX CHRONICUS
- non-neoplastic epithelial disorder
- end stage of inflammatory dermatoses
- epidermal thickening, expansion of stratum granulosum, hyperkeratosis
- looks like leukoplakia
- epithelium show increased mitotic activity, no atypia
- Disease of vulva and vagina:
CONDYLOMAS AND LOW GRADE VIN
= anogenital warts 1. Condyloma lata: - flat moist lesion, 2nd syphilis 2. Condyloma acuminata: - elevated papillary lesion - anywhere on anogenital surface - histo: perinuclear cytoplasmic vacuolization with nuclear angular pleomorphism + koilocytosis TREATMENT: - CO2 laser - podophyllin
- Disease of vulva and vagina:
HIGH GRADE VIN + CARCINOMAS
- women >60 years
- 90% squamous cell cc, rest are adenocarcinomas, melanomas, basal cell cc.
1. HPV associated: - younger patiens, smokers
- HPV (16 and 11)
- in situ changes
2. Non-HPV associated: - older women
- preceded with years of non-neoplastic epithelial changes
- epithelium display dyskeratic cells, angular budding, basal keratinization
⇒ labia majora, minora, clitoris
⇒ matastasize to regional LN
TREATMENT: - excision
- radical vulvectomy
- prognosis: 5 year survival ⇒ 50-75%
- Disease of vulva and vagina:
EXTRAMAMMARY PAGET
- form of intraepithelial carcinoma
- no underlying carcinoma (unlike Paget disease of breast)
- red, scaly, crusted plaque - may appear as inflammatory dermatosis
- Histo:
- large epitheloid cell infiltrate the epithelium
- abundant granular cytoplasm
- occasional vacuoles containing mucin
- Disease of vulva and vagina:
BARTOLIN’S CYST
- formed when glands are blocked ⇒ fluid-filled cysts
- often secondary to gonorrhea ⇒ abscess ⇒ obstruction of duct
- painful, huge cyst
- women age 40 or more
- associated with accessory breast tissue
- may have mucocele like changes
TREATMENT: - excise in old
- marsupialize
- Disease of vulva and vagina:
ANGIOMYOFIBROBLASTOMA
- benign vulvar tumor
- well-circumscribed, 0,5-12cm
- alternating hyper- and hypo cellular area
- spindle cells, plump stromal cells, no atypia
- rare/ no mitotic figures
Positive stains: vimetin, desmin mesenchymal tumor
- Disease of vulva and vagina:
VAGINITIS
= inflammation of vagina- transient and non-serious
- produces leucorrhea ⇒ vaginal discharge
CAUSES:
- C.albicans: vulvovaginitis, white discharge
- Trichomonas vaginalis:
* large, flagellated ovoid protozoa
* purulent discharge
* inflammation of superficial squamous mucosa
* strawberry cervix
* treatment: metronidazole
- other fungi and bacteria
- Disease of vulva and vagina:
VAGINAL INTRAEPITHELIAL NEOPLASIA AND SQUAMOUS CELL CARCINOMA
- women >60 years old
- VIN is a precursor lesion associated with HPV infection
- invasive squamous cell cc is associated with presence of HOV DNA
- Disease of vulva and vagina:
VAGINAL CLEAR CELL ADENOCARCINOMA
- young women in late teens-early 20s
- mothers took diethylstilbestrol during pregnancy
- location: cervix, vaginal mucosa
- benign lesions, vaginal adenomas appear as red granular foci + lined by mucus secreting or ciliated columnar cells ⇒⇒ clear cell adenocarcinoma arise
- Disease of vulva and vagina:
SARCOMA BOTRYOIDES
- rare primary vaginal cancer
- infants, children <5 years
- also in urinary bladder + bile ducts
- Pathology of cervix:
CONGENITAL ANOMALIES OF CERVIX
- due to failure of Müllerian ducts to fuse or develop after fusion
GYNATRESIA: absence of vagina ⇒ lack of müllerian ducts to unite
DOUBLE VAGINA: partial failure of Müllerian ducts to fuse
⇒ partial septate vagina
⇒ rudimentary second vagina
- Pathology of cervix:
CERVICITIS
= inflammation of cervix with mucopurulent vaginal discharge - infectious/non-infectious cervicitis CAUSES: - Chlamydia trachomantis - Ureaplasma urealyticum - Trichomonas vaginalis - Candida spp - Neisseria gonorrhea - HSV-2 - HPV - streptococcus, staphylococcus, enterococcus, e.coli
- Pathology of cervix:
CERVICAL INTRAEPITHELIAL NEOPLASIA CIN
- detected by etiologic examination - Pap smear
- may begin as low-grade CIN ⇒ higher grade, or begin as high-grade
CIN 1: mild dysplasia with koilocytotic atypia
CIN2: moderate dysplasia with progressive atypia in all layers of the epithelium
CIN 3: severe dysplasia and carcinoma in situ with diffuse atypia and loss of maturation
SIL1/SIL2
- Pathology of cervix:
CIN epidemiology + pathogenesis
- peak incidence of CIN: 30 yrs
- peak incidence of carcinoma: 45 yrs
RISK FACTORS:- early age at first intercourse
- multiple partners
- persistent infection by high risk HPV
- smoking
- immunodeficiency
- HPV detected in precancerous lesions: 16, 18, 45, 31 ⇒ viral genome integrated into host genome, expressed large amount of E6 and E7 proteins ⇒ block tumor suppressor genes p53 and RB
- Pathology of cervix:
INVASIVE CARCINOMA OF CERVIX
TYPES OF CANCER: 1. squamous cell cc (75%) 2. adenocarcinoma 3. small cell neuroendocrine cc CLINICAL COURSE: - diagnosed early with Pap smear - preinvasive phase ⇒ white area - symptoms: leukorrhea, hemorrhage, painful intercourse, dysuria PROGNOSIS: - stage 0: 100% - stage 1: 90% - stage 2: 82% - stage 3: 35% - stage 4: 10%
- Pathology of cervix:
SQUAMOUS CELL CARCINOMA OF CERVIX
- peak incidence: 45-55 yrs
- treatment:
- surgery
- radiation therapy
- radioactive implants
- pelvic extenteration
- Pathology of cervix:
ADENOCARCINOMA OF CERVIX
- usually in situ
- Symptoms: vaginal bleeding, pelvic pain
- metastasis: pelvic LN, upper abdomen, ovaries, diastant organs
- morphology: exophytic mass, ulcerated plaque, barrel shape, well differentiated, papillary, endometrioid
- prognosis:
- S1: 79%
- S2: 37%
- S3: <9%
- Endometritis, endometrial hyperplasia, endometriosis:
ENDOMETRITIS pathogenesis
= inflammation of endometrium
- associated with retained products of conception ⇒ miscarriage, delivery, foreign body
- retained tissue act as nest for infection
- removal of foreign body ⇒ resolution
- Endometritis, endometrial hyperplasia, endometriosis:
ENDOMETRITIS classification
- acute/ chronic⇒ predominant neutrophilic or lymphoplasmacytic response
- chronic endometritis ⇒ plasma cells
- acute endometritis caused by n.gonorrhea, c.trachomatis, mycoplasma
- histo: neutrophilic infiltrate in superficial endometrium and glands
- Endometritis, endometrial hyperplasia, endometriosis:
ENDOMETRITIS clinical course
- fever
- abdominal pain
- menstruational abnormalities
- infertility
- ectopic pregnancy
- Endometritis, endometrial hyperplasia, endometriosis:
ENDOMETRIAL HYPERPLASIA etiology
= excessive proliferation of endometrial cells
- excess of estrogen relative to progestin ⇒ hyperplasia ⇒ preneoplastic
- failure of ovulation
- prolonged administration of estrogenic steroids
- estrogen producing ovarian tumors
- granulosa-theca cell tumor
- obesity
- Endometritis, endometrial hyperplasia, endometriosis:
ENDOMETRIAL HYPERPLASIA classification
- classified according to crowding of endometrial cells + atypia
- simple hyperplasia
- complex hyperplasia
- atypical hyperplasia
- can become autonomously proliferating ⇒ giving rise to carcinoma
- risk of developing carcinoma depend on severity of hyper plastic changes + cellular atypia
- Endometritis, endometrial hyperplasia, endometriosis:
ENDOMETRIOSIS general + pathogenesis
= condition in which endometrial glands and stroma appears outside the endometrium
- multifocal and may involve tissue in the pelvis
PATHOGENESIS:
1. Regurgitation theory
- menstrual black flow through fallopian tubes with subsequent implantation
- menstrual endometrium viable + survives when injected into anterior abdominal wall
- cannot explain lesions in LN, skeletal muscle + lungs
2. Metaplastic theory
- endometrial differentiation of coelomic epithelium
- cannot explain endometriotic lesions in lungs or LNs
3. Vascular or lymphatic dissemination
- explains extra pelvic or lymph involvement
- Endometritis, endometrial hyperplasia, endometriosis:
ENDOMETRIOSIS clinical course
- depends on distribution of lesions
- extensive scarring of oviducts and ovaries ⇒ discomfort in lower abdomen ⇒ sterility
- pain on defecation
- painful intercourse
- dysuria
- dysmenorrheal and pelvic pain due to intrapelvic bleeding and periuterine adhesions
- Tumors of the endometrium and myometrium:
ENDOMETRIAL POLYPS
- sessile, hemispheric lesions, 0,5-3cm
- histo: composed of endometrium resembling basal layer with small muscular arteries
- normal endometrial architecture but dilated glands
- stromal cells monoclonal + have cytogenic rearrangement at 6p21 ⇒ neoplastic
- occur usually at time of menopause
- clinical significance: production of abnormal uterine hemorrhage, + cancer risk
- Tumors of the endometrium and myometrium:
ENDOMETRIAL CARCINOMA pathogenesis
- women 55-65 yrs
1. Premenopausal women with estrogen excess ⇒ endometriod carcinoma of endometrium- risk factors: obesity, DM, HT, infertility, estrogen therapy, estrogen secreting tumor
- frequently arise from endometrial hyperplasia
- similar appearance to normal endometrial glands
- Hereditary nonpolyposis colon cancer syndrome ⇒ DNA mismatch repair gene
- Cowden syndrome ⇒ mutation in PTEN, KRAS, B-catenin
- Older women with endometrial atrophy ⇒ serous carcinoma of endometrium
- atrophy or polyp as background
- mutation in p53, PTEN, DNA mismatch
- Tumors of the endometrium and myometrium:
ENDOMETRIAL CARCINOMA clinical course
- marked leukorrhea + irregular bleeding
- erosion + ulceration of endometrial surface
uterus may be enlarged - prognosis:
- S1: 90%
- S2: 30-50%
- S3/4: <20%
- Tumors of the endometrium and myometrium:
ENDOMETRIAL CARCINOMA morphology
ENDOMETRIOID CARCINOMA:
- resembles normal endometrium
- mucinous, tubal and squamous differentiation
- originate in mucosa + infiltrate myometrium
- metastasize to regional LN
SEROUS CARCINOMA:
- small tufts and papillae
- much greater cytologic atypia
- poorly differentiated cancers - aggressive
- Tumors of the endometrium and myometrium:
LEIOMYOMA general
- benign tumor of smooth muscle of myometrium
- cause: genetic factors, estrogens + oral contraceptives
- monoclonal tumors
- chromosomal abnormalities can be found
- symptoms: menorrhagia
- rarely transform into sarcomas