Female Genital Tract 2 - Dobson Flashcards
Chocolate cyst is what?
Risk for what?
Ovarian endometriosis (macrophages filled w/hemosiderin)
Cancer
What mutations in MMMTs?
TP53
PTEN
PIK3CA
What stage is carcinoma which involves the corpus and the cervix?
2
Leiomyosarcoma local spread to where?
Distant?
Abdominal cavity
Lung
MRKH karyotype?
46 XX
What is the recurrence rate in Type II endometrial carcinoma?
Mortality higher in whom?
5yr survival when confined to uterus?
80%
2x higher in African Americans
18-27%
What stage is carcinoma that extends outside the true pelvis or involves the mucosa of the bladder or rectum?
4
What has the morphology of bulky and polypoid, protrude through the cervical os and may contain 2 distinct and seprate epithelial and mesenchymal components?
Which component metastases from LN?
MMMT
Epithelial only
Leiomyoma (fibroids) have what abnormality?
Mutation in what gene?
Karyotype abnormality (HMGIC and HMGIY genes)
MED12
Type 1 endometrial carcinoma survival stage 1 (grade 1 and 2)?
Stage 1 grade 3?
Stage 2 or 3?
90%
75
50
What inflammatory disorders of the uterus cause acute endometritis?
Bacterial
Retained POC
Group A strep or steph
Type II (serous) carcinoma is defined how?
More frequent in whom?
Poorly diff
African-Americans
Pts 10 years older than type 1
What stage is carcinoma that extends outside the uterus but not outside the true pelvis?
3
What are the common signs of leiomyomas?
AUB
Sudden pain from infarction of a pedunculated tumor
Impaired fertility
Main theory of Pathogenesis of endometriosis?
Regurgitation theory - retrograde flow of menstrual endometrium thru the Fallopian tubes
What is defined by the presence of endometrial tissue within the myometrium 2-3 mm below the basalis layer?
Adenomyosis
In the regurgitation theory, what pro-inflammatory cytokines are elevated?
PGE2
IL-1B
TNF-a
INC estrogen and aromatase
Treatment for endometrial hyperplasia?
If reproductive age –> progesterone
Otherwise hysterectomy
Atypical hyperplasia (EIN = endometrial intraepithelial neoplasia) has what major morphologic features?
23-48% of biopsies will show what?
Complex patterns of proliferating glands w/nuclear atypia
Glands BACK to BACK and branching
Nuclear chromatin open (vesicular)
Carcinoma on hysterectomy
Presentation of MMMT?
What portends a worse outcome?
Postmenopausal women w/bleeding
Heterologous elements (fat, bone, muscle)
Type 1 endometrial carcinoma is described how?
Well-differentiated, aka endometrioid carcinoma, most common (80%)
Morphology of leiomyosarcoma?
Bulky fleshy invasive mass
Polypoid intraluminal mass
Type 1 endometrial carcinoma is associated w/what?
Obesity DM HTN Infertility Unopposed estrogen
What may prolapse through the cervical os, present in the 4th/5th decade w/low grade malignancy and is estrogen sensitive?
Tx?
Adenosarcoma
Oophorectomy
What is composed of bundles of smooth muscle cells (whorled appearance) that are uniform in size and shape, oval nucleus, long bipolar process w/rare mitosis and can degenerate?
Leiomyoma
What pigment may be found in endometriosis bleeding?
Hemosiderin
What phase is characterized by straight glands w/tubular structures that has no mucus secretion or vacuolization and has numerous mitotic figures in glands and stromal cells?
Proliferative phase (estrogenic)
This phase stops at ovulation (day 14)
Leiomyomas in pregnant women increases the frequency of what?
Spontaneous abortion
Fetal malpresentation
Uterine inertia
Postpartum hemorrhage
Endometrial polyps may be common in what age groups?
Can they be malignant?
Reproductive, perimenopausal, postmenopausal
YES
What are the key features of leiomyosarcoma in terms of microscopy?
Nuclear atypia
Mitotic index (10 or >/ 10 hpf = malignant)
Zonal necrosis
5 yr survival for leiomyosarcoma?
High grade tumors?
40%
10-15%
What are the symptoms of endometriosis?
Pelvic pain Dysmenorrhea "colicky" Infertility (30-40% of presenting complaint) Dyspareunia Painful shitting Dysuria
What pathology indicates chronic endometritis?
Plasma cell in biopsy (only need 1)
Germline PTEN mutation and high incidence of endometrial and breast cancer is what?
Cowden syndrome (Multiple hamartoma syndrome)
What is described by the morphology of a localized polypoid tumor or diffuse infiltration of the endometrial lining w/spread by invasion of myometrium and direct extension to surrounding organs?
Type 1 endometrial carcinoma
What has high N:C ratio, atypical mitoses, hyperchromasia and prominent nucleoli?
Type II Serous endometrial carcinoma
Leiomyosarcoma peak age when?
Arise from what?
Deletion in what gene?
Metastases?
40-60
Stromal precursor cell (de novo)
MED12
More than half metastasize
Type II endometrial carcinoma arises in what setting?
Mutation in what?
Precursor lesion is what?
Endometrial atrophy, thin patient
TP53
Serous endometrial intraepithelial carcinoma (SEIC)
Endometriosis bleeding produces what?
Causes what?
Red/blue to yellow/brown nodules beneath the mucosa/serosa
aka power burn marks
Fibrous adhesions –> SBO
What is the most common invasive cancer of the female genital tract?
Peak age?
Early sign?
Endometrial carcinoma
55-65 (postmenopausal)
Bleeding
A leiomyosarcoma w/nuclear atypia or large (epithelioid cells) and 5 mitoses/10 hpf) indicates what?
Malignancy
Endometrial hyperplasia is a precursor to what?
Caused by what?
Endometrial carcinoma
Prolonged estrogenic stimulation of the endometrium
What is the most frequent cause of AUB?
Due to what?
Anovulation
Hormonal distrurbance –> unopposed estrogen
Women w/MRKH may have what other abnormalities?
kidneys
Vertebrae
Hearing loss
Heart defects
Type 1 endometrial carcinoma has LOF mutations in what?
What other mutations?
PTEN, ARID1A
PIK3CA, KRAS, CTNNB1, DNA MMR
What conditions cause increased estrogen?
Anovulation
Obesity
Prolonged admin of estrogenic stimulation
PCOS
Functioning ovarian tumors (granulosa cell)
Menopause
MMMTs are what?
Carcinosarcoma - malignant glandular and mesenchymal elements
Mnemonic for causes of AUB?
PALM - structural
COEIN - nonstructural
Polyps
Adenomatous is
Leiomyoma
Malignancy and hyperplasia
Coagulopathy Ovulatory dysfunction Endometrial Iatrogenic Not classified
What is a large bulky tumor that deeply infiltrates the myometrium and has a propensity for extrauterine spread?
Type II (serous) endometrial carcinoma
What stage is carcinoma confined to the corpus uteri itself?
1
Type 2 endometrial carcinoma arises in the setting of what?
What mutation?
Endometrial atrophy
TP53
Cardinal feature of non-atypical hyperplasia?
What other important features?
Increase in G:S ratio
Intervening stroma remains and RARELY progresses to cancer
Think of 35 y/o obese pt w/AUB and lots of glands
Loss of PTEN leads to what?
Overactivation of PI3K/AKT
Mutation in what genes is associated with endometriosis?
PTEN
ARID1A
Females that present w/primary amenorrhea due to a lack of uterine development but have fully developed secondary sexual characteristics w/functional ovaries have what?
Mayer-Rokitansky-Kuster-Hauser syndrome
Most common cause of dysfunctional/abnormal uterine bleeding?
Hormonal disturbance (HPO axis)
Inactivation of what gene is common in endometrial hyperplasia and cancer?
PTEN
Most common sites of endometriosis?
Ovary
Uterine l.
Rectovaginal septum
Pouch of Douglas
What phase is characterized by the degeneration of the functionalis layer and bleeding into the stroma with stromal breakdown?
Menstrual phase (days 1-5)
What phase is marked by secretory subnuclear vacuoles which become supranuclear with an appearance of tortuous and serrated (saw-toothed) endometrium?
Secretory phase (progesterone and luteal phase)
What phase is manifested by stromal changes, prominent spiral arteries, and a stromal predecidual change?
Late secretory phase
What inflammatory disorders of the uterus causes chronic endometritis?
PID
Retained gestational tissue
IUD
Tb