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Female Repro Path
n/a
180
Pathology
Professional
04/04/2014

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Term
what is follistatin?
Definition
hormone secreted by gonads that is inhibitory at pituitary but activating in paracrine effects (similar to inhibin)
Term
What phase are oocytes arrested in until puberty? then what do they become?
Definition
1. Arrest in Prophase I (primary oocyte) until puberty
2. Arrest in Metaphase II (ovum) until fertilization
Term
cells of the indifferent gonad (germ cells, coelomic epithelium, mesenchymal cells) form what structures in either male or female?
Definition
1. Germ cells: forms spermatogonia OR oogonia.
2. Coelomic epithelium: forms Sertoli cells OR Granulosa cells (‘nurse’).
3. Mesenchymal cells: forms Leydig cells OR Theca cells (‘hormone’).
Term
what is the most common cause of primary amenorrhea?
Definition
Turner's Syndrome
Term
undescended testes with female habitus
Definition
androgen resistance
Term
eunuchoid body, no spermatogenesis or seminiferous tubules
Definition
Klinefelter's
Term
most common form of primary testicular failure?
Definition
Klinefelter's
Term
anosmia and microphallus
Definition
Kallman's
Term
where is the level of disorder in Kallmann's?
Definition
tertiary -- at the hypothalamus (no GnRH production because the GnRH neurons never migrated from the nose to the brain)
Term
what is the main cause of female pseudohermaphroditism?
Definition
prenatal exposure to androgens
Term
spermiogenesis vs spermiation?
Definition
Spermiogenesis- final stage of spermatogenesis, cellular remodeling of spermatids into spermatozoa (nuclear condensation, shrinkage of cytoplasm, formation of acrosome, development of flagella)

Spermiation- extrusion of flagellated spermatozoa from sertoli cells into the lumen of the tubule. 'residual body' is formed.
Term
where do sperm mature/gain motility?
Definition
epididymis
Term
what does the seminal vesicle do?
Definition
Secretions of prostaglandins – contractions of uterus and fallopian tubes considered important in sperm movement
Term
DHT causes both BPH and prostatic carcinoma growth-- how do the treatments differ?
Definition
Finasteride (5a-reductase inhibitor) for BPH

Flutamide (DHT receptor blocker) for Prostatic carcinoma OR long-term GnRH agonist
Term
summarize the steps of Leydig/Sertoli cell interactions starting with FSH stimulation
Definition
1. FSH stimulates Sertoli cells to secrete inhibin/activin, which act on Leydig cells.
2. Inhibin: stimulates testosterone secretion from Leydig; activin: inhibits testosterone secretion from Leydig.
3. Leydig cell testosterone has positive paracrine effects on Sertoli cells. (T increase inhibin which further increases T production)
Term
what is the mucopolysaccharide layer immediately around the oocyte formed by granulosa cells?
Definition
zona pellucida
Term
what menstrual phase is responsible for the differences in cycle lengths among ovulating women?
Definition
follicular phase
Term
describe how E2 conc change throughout the menstrual phases
Definition
follicular phase - E2 has neg feedback on FSH secretion and E2 conc continues to increase

ovulatory phase - E2 conc crosses a threshold and switches to positive feedback and there is and LH surge. Rupture of follicle causes a dec in E2 which in turn dec LH

luteal phase - corpus luteum makes E2 which becomes inhibitory again, causing decreased FSH/LH/GnRH secretion
Term
what female cells make androgen out of cholesterol? which cells convert androstenedione to estradiol?
Definition
theca cells make androstenedione
granulosa cells have aromatase to convert it to estradiol
Term
What is the definition of secondary amenorrhea and what are some common causes?
Definition
Secondary amenorrhea: cessation of menstruation for LONGER than 6 months.
causes-- Pregnancy, lactation, menopause; hyperprolactinemia (pituitary tumors; inhibits GnRH, LH, and FSH).
Term
What is the definition of oligomenorrhea and what are some common causes?
Definition
Oligomenorrhea: infrequent periods (cycle length >35 days)
Changes due to functional abnormalities in CNS mechanisms that regulate GnRH releases (stress/illness).
Changes in body fat composition (female runners); intense exercise, weight loss, anorexia…etc.
Term
Steps of acrosomal reaction?
Definition
Triggered when spermatozoan encounters glycoproteins on egg (ZP3 receptor).
Binding leads to increased IP3 /Ca2+, triggers fusion of outer/inner membrane
Term
What is the Cortical or Zona Reaction?
Definition
Exocytosis of oocyte’s internal vesicles to prevents polyspermy ...
The inc Ca2+ inside the egg from the acrosomal rxn causes fusion of cortical granules with membrane that then release enzymes that harden glycoproteins of zona pellucida so a second sperm cannot bind
Term
Where does fertilization most often take place?
Definition
ampulla of fallopian tube
Term
What day does the morula enter the uterine cavity?
Definition
3-4
Term
What day does the blastocyst implant?
Definition
7
Term
how soon can hCG be detected in the urine after conception?
Definition
9 days`
Term
where is hCG made in the placenta?
Definition
Produced by syncytiotrophoblasts under control of GnRH from cytotrophoblasts
Term
what does hCG do?
Definition
1. Signals to ovary that implantation has occurred (maternal recognition of pregnancy)
2. rescues corpus luteum and stimulates secretion of progesterone and estradiol
3. negative feedback effects on maternal pituitary to prevent LH/FSH secretion
Term
What is Human placental lactogen (HPL) – aka Human Chorionic Somatomammotrophin (HCS)?
Definition
HPL is a hormone produced by syncytiotrophoblasts that is structurally similar to GH. In response to hypoglycemia, HPL stimulates lipolysis and has anti-insulin actions on maternal carbohydrate metabolism (leads to an increase in plasma glucose and free fatty acids to maintain continuous flow of nutrients to the fetus).
Term
hormone produced by CL and placenta to inhibit myometrial contractions and relaxes pelvic bones and ligaments?
Definition
relaxin
Term
what inhibits the effects of prolactin during pregnancy?
Definition
high levels of progesterone and E2
Term
what hormone promotes mammogenesis during pregnancy?
Definition
progesterone stimulates alveolar pouches and increase their capacity to secrete milk;
estrogen promotes growth of ductal system
Term
how do the concentrations of estrogen and progesterone change when it is time for delivery?
Definition
Progesterone >> estrogen
maintains uterine quiescence and sustenance of fetus

Estrogen >> progesterone
may play an essential role in parturition
Term
what is an oocyte with one single layer of granulosa cells?
Definition
primordial follicle
Term
When the granulosa cells surrounding the primordial follicle become enlarged and cuboidal, the oocyte is called...? when does this occur?
Definition
primary follicle; occurs at puberty
Term
When a primary follicle enlarges, there are several layers of granulosa cells with theca layers, and fluid filled vesicles begin forming, the oocyte is called a...
Definition
secondary follicle
Term
when the fluid filled vesicles form a single antrum, the oocyte is called...
Definition
a mature follicle
Term
what is the cumulus oophorus?
Definition
a cluster of cells (called cumulus cells) that surround the oocyte both in the ovarian follicle and after ovulation. In the antral follicle, it may be regarded as an extension of the membrana granulosa. The innermost layer of these cells is the corona radiata
Term
what are the secretory cells in the fallopian tube called?
Definition
peg cells
Term
High and low risk types of HPV?
Definition
high risk = 16, 18, 31, 33
low risk = 6, 11
Term
how is HPV oncogenic?
Definition
it expresses oncoproteins E6 and E7 that bind and neutralize p53 and Rb tumor suppressor genes, respectively
Term
Where does HPV replicate its DNA?
Definition
in host squamous cells
Term
What is the characteristic cell of a condyloma?
Definition
koilocyte --
A koilocyte's nucleus is enlarged compared to normal mature squamous cells from which they derive. Nucleus is more wrinkly/raisin-like. The nucleus appears hyperchromatic/more basophilic. Perinuclear halo.
Term
What fraction of the cervical epithelium is dysplastic in CIN1-3 and CIS?
Definition
CIN 1 = less than 1/3
CIN 2 = ~2/3
CIN 3 = nearly full thickness
CIS = full thickness but BM has not been breached
Term
What percentage of LSIL and HSIL regress? persist? progress?
Definition
LSIL = 60% regress, 30% persist, 10% progress to HSIL

HSIL = 30% regress, 60% persist, 10% progress to carcinoma <10 yrs
Term
Management of LSIL? HSIL?
Definition
LSIL - observation
HSIL - surgical excision, long-term follow-up
Term
Types of HPV vaccines?
Definition
bivalent -- against types 16 and 18
quadrivalent -- against types 16, 18, 6, 11
*women can get both, men only quadrivalent
Term
What is the major type (75%) of invasive carcinoma of the cervix? What is the minor type?
Definition
major type = squamous cell carcinoma
minor type = adenocarcinoma
Term
peak age of incidence of invasive carcinoma of the cervix?
Definition
45 years
Term
histology of squamous cell carcinoma of the cervix?
Definition
Nests of malignant squamous cells. Presence of keratin pearls.
Term
what percentage of female genital cancers are vulva squamous cell carcinoma? vaginal SqCC?
Definition
3% are vular SqCC
vaginal SqCC is extremely rare
Term
How do the risk factors for vulva vs. vaginal squamous cell carcinoma differ?
Definition
high risk HPV a risk for both
non-HPV lichen sclerosis a risk for ONLY vulva
Term
presentation of vulvar cancer vs vaginal cancer?
Definition
vulvar = leukoplakia
vaginal = vaginal bleeding, discharge
Term
what population does lichen sclerosis of the vulva mainly affect? etiology?
Definition
postmenopausal women
autoimmune
Term
what is lichen simplex chronicus?
Definition
hyperplasia of vulvar squamous epithelium assoc with chronic irritation/scratching. NO inc risk for SqCC.
Term
what is the name for intra-epitermal proliferation of malignant cells in the vulva? presents as RED, scaly, crusted plaque
Definition
Paget Disease of the Vulva

*remember: no underlying tumor
Term
tests to differentiate Paget disease of vulva from Melanoma?
Definition
Paget: keratin (+), PAS (+), S-100 (-)
Melanoma: keratin (-), PAS (-), S-100 (+)
Term
persistence of columnar epithelium in upper 2/3 of the vagina ?
Definition
vaginal adenosis
Term
vaginal cancer related to DES exposure in utero?
Definition
clear cell adenocarcinoma of the vagina
Term
vaginal cancer in children <5
Definition
embryonal rhabdomyosarcoma aka sarcoma botryoides
Term
what is a common cause of death in advanced cervical carcinoma?
Definition
hydronephrosis
Term
what cancer does Pap smear screen for?
Definition
squamous cell carcinoma; it does NOT detect adenocarcinoma
Term
What is the difference in cellularity between acute and chronic endometritis?
Definition
acute endometritis = PMNs
chronic endometritis = plasma cells*, lymphocytes

*necessary for diagnosis since lymphocytes are normally found in the endometrium
Term
Infection that causes endometritis in endemic countries and immunocompromised?
Definition
mycobacterium tuberculosis
Term
Criteria for endometriosis?
Definition
2/3 must be present
-endometrial glands
-endometrial stroma
-hemosiderin pigment
Term
What does endometriosis of the ovary look like?
Definition
'chocolate cysts' of the ovary
Term
what is growth of basalis layer endometrial glands/stroma WITHIN myometrium called?
Definition
adenomyosis
eg. dysmenorrhea, uterus is 3x size, symmetrically englarged, preg test neg
Term
how does estrogen excess affect the endometrium?
Definition
causes hyperplasia
gland>stroma
Term
What is the most important predictor for progression of endometrial hyperplasia to carcinoma?
Definition
cellular atypia

ie, if simple hyperplasia becomes...
simple hyperplasia with atypia = 30%
complex hyperplasia without atypia = <5%
complex hyperplasia with atypia = 50%
Term
what are the two distinct pathways that endometrial carcinoma arises from ? avg ages?
Definition
1. hyperplasia pathway/endometrioid type (80%) = 60
2. sporadic pathway/serous type (25%) = 70 yo
Term
What type of mutation are endometrioid cancers of the endometrium assoc with?
Definition
PTEN
Term
What type of mutation are serous cancers of the endometrium assoc with?
Definition
p53
Term
Which type of endometrial carcinoma is more aggressive and has a worse prognosis?
Definition
serous carcinoma
Term
Which type of endometrial carcinoma has papillary structures?
Definition
serous carcinoma
Term
What risk factor are endometrial polyps associated with?
Definition
Tamoxifen use for tx and prevention of breast cancer. Tamoxifen has anti-estrogenic effects on the breast but weak pro-estrogenic effects on the endometrium
Term
compare leiomyoma vs. leiomyosarcoma
Definition
leiomyoma - pre-menopausal, benign, grows with estrogen, gross appearance = white, whorled masses

leiomyoma - arises de novo from mesenchymal cells of myometrium (NOT from leiomyomas), postmenopausal, gross = single lesion with necrosis and hemorrhage
Term
clinical scenario: obese young woman, infertility, oligomenorrhea, hirsutism (ovarian hyperandrogenism) and insulin-resistance?
Definition
PCOD
Term
Androgen is converted in adipose tissue to estrone resulting in what long-term potential complication of PCOD?
Definition
Uterine endometrioid endometrial cancer
Term
what is the most common type (origin) of ovarian neoplasm?
Definition
surface epithelial cell tumors
Term
What are the types of surface epithelial ovarian tumors?
Definition
most common:
Serous (30% are malignant)
Mucinous (10% are malignant)


less common:
Endometrioid (usually malignant)
Brenner (usually benign)
Term
What is the age group for surface epithelial ovarian tumors?
Definition
20+ years
Term
What type of ovarian cancer does BRCA1 put a woman at risk for?
Definition
serous cystadenocarinoma
Term
what tumor marker is used to monitor surface epithelial cell response to tx and recurrence?
Definition
CA-125
Term
What age group are benign ovarian cystadenomas seen in?
What age group are cystadenocarcinomas seen in?
Definition
cystadenoma = 30-40
cystadenocarcinoma = 45-60
Term
what type of surface epithelial ovarian tumor forms papillary structures, sometimes with psamomma bodies?
Definition
serous cystadenocarcinoma
Term
are bilateral tumors more common with serous or mucinous cystadenomas?
Definition
serous
Term
are multicystic/multiloculated tumors more common with serous or mucinous cystadenomas?
Definition
mucinous
Term
what type of ovarian tumor has transitional-type epithelium resembling that of the urinary tract?
Definition
Brenner
Term
What tumor suppressor gene mutation is associated with endometrioid ovarian carcinoma?
Definition
PTEN
Term
What underlying condition is associated with endometrioid ovarian carcinoma?
Definition
endometriosis
Term
What is the second most common type of ovarian neoplasm?
Definition
germ cell tumors
Term
What are the different types of ovarian germ cells tumors? what are their malignant potentials?
Definition
-Teratoma (90% benign, presence of neural or some other immature tissue indicates malignant potential)
-Dysgerminoma (malignant but radiosensitive)
-Endodermal Sinus Tumor/Yolk Sac Tumor (malignant)
-Choriocarcinoma (malignant, early metastasis and often fatal)
-Embryonal Carcinoma (malignant, aggressive)
Term
What type of tumor category is struma ovarii (thyroid tissue)?
Definition
mature teratoma
Term
Which type of ovarian germ cell tumor spreads hematogenously?
Definition
choriocarcinoma
*weird because carcinomas usually spread via lymphatics
Term
What age group do ovarian germ cell tumors occur in?
Definition
15-30
Term
Which ovarian germ cell tumor has large cells with clear cytoplasm and central nuclei that resemble oocytes?
Definition
dysgerminoma
Term
Which ovarian germ cell tumor has Schiller-Duvall Bodies?
Definition
Endodermal Sinus/Yolk Sac Tumor
(SD bodies look like glomeruli)
Term
Which ovarian germ cell tumor has placenta like tissue without villi?
Definition
choriocarcinoma
Term
Which ovarian germ cell tumor has large primitive cells?
Definition
embryonal carcinoma
Term
Tumor marker for dysgerminoma?
Definition
LDH
Term
Tumor marker for yolk sac tumor?
Definition
AFP
Term
Tumor marker for choriocarcinoma?
Definition
hCG
Term
What type of ovarian tumors originate from undifferentiated gonadal mesenchyme?
Definition
sex-cord stromal tumors
Term
what type of ovarian tumors occur at any age, have low malignant potential, are unilateral, and hormonally active?
Definition
sex-cord stromal tumors
Term
What are the types of ovarian sex-cord stromal tumors? What hormones do they produce?
Definition
-granulosa-theca (estrogen)
-sertoli-leydig (testosterone)
-thecoma-fibroma (none)
Term
Which type of ovarian tumor has "Call-exner bodies"?
Definition
granulose-theca cell tumor

*Call-Exner bodies = gland like structures filled with eosinophilic material & Recapitulate ovarian follicle


"Call Exner Cook Estrogen"
Term
Which type of ovarian tumor can present with hirsutism and virilization?
Definition
sertoli-leydig cell tumor
Term
What is Meigs Syndrome?
Definition
1. Right sided pleural effusion
2. ascites
3. ovarian mass (thecoma-fibroma)
Term
Which type of ovarian tumor has Reinke crystals?
Definition
sertoli-leydig cell tumor
Term
What type of gastric carcinoma metastasizes to both ovaries? What is the ovarian tumor called?
Definition
-Diffuse type (signet ring cells)
-Krukenberg tumor
Term
What type of ovarian cancer is related to pseudomyxoma peritonei (disseminated gelatinous ascites and multifocal peritoneal epithelial implants, secreting copious globules of extracellular mucin)?
Definition
ovarian mucinous cystadenocarcinoma
from metastasis of an appendiceal mucinous cystadenocarcinoma
Term
What is the most common germ cell tumor in children?
Definition
endodermal sinus/yolk sac tumor
Term
Are the amnion (inner layer) and chorion (outer layer) derived from the mother’s tissue or fetal tissue?
Definition
fetal tissue
Term
What does the chorion attach to?
Definition
The decidua = endometrium of pregnancy
Term
What are the two layers of the chorionic villi epithelium?
Definition
Syncytiotrophoblast and cytotrophoblast
Term
Where do maternal and fetal blood mix?
Definition
they shouldn't under normal circumstances
Term
How many umbilical arteries/veins are there?
Definition
two arteries, one vein
Term
How does deoxygenated fetal blood enter the placenta?
Definition
Through the umbilical arteries that branch to form chorionic arteries then they branch again as they enter the chorionic villi
Term
How does oxygenated blood in the placenta return to the fetus?
Definition
Through the single umbilical vein
Term
What is a spontaneous abortion?
Definition
Miscarriage before 20 weeks due to chromosomal abnormalities (over half), defective implantation, fetal abnormalities, or maternal causes (inflammation, uterine deformity, DM, luteal-phase defects)
Term
Where do most ectopic pregnancies occur?
Definition
Fallopian tubes (90%)
Term
What are the three types of twin placentas?
Definition
1. Dichorionic, Diamnionic (monozygotic and dizygotic)
2. Monochorionic, Diamnionic (monozygotic)
3. Monochorionic, Monoamnionic (monozygotic)
Term
If one egg divides between days 0-4, what kind of placenta will it form?
Definition
Dichorionic, Diamnionic
Term
If one egg divides between days 4-8, what kind of placenta will it form?
Definition
Monochorionic, Diamnionic
Term
If one egg divides between days 8-12, what kind of placenta will it form?
Definition
Monochorionic, monoamnionic
Term
If one egg divides between after day 13, what kind of placenta will it form?
Definition
Monochorionic, monoamnionic with conjoined twins
Term
What types of placentas will always result in identical twins?
Definition
monochorionic
Term
Term for attachment of placenta to lower uterine segment or cervix?
Definition
placenta previa
Term
How do placenta previas present?
Definition
serious third trimester bleeding
Term
Term for partial or complete absence of decidua with adherence of placental villous tissue directly to myometrium?
Definition
placenta accreta
Term
Premature separation of the placenta prior to delivery with painful maternal bleeding?
Definition
abruptio placentae
Term
What are the three main theories behind preeclampsia-eclampsia?
Definition
1. abnormal placental vasculature – cytotrophoblastic cells do not invade the myometrium in preeclampsia and uterine spiral artery does not remodel
2. endothelial dysfunction and imbalance of angiogenic and anti-angiogenic factors
3. coagulation abnormalities – hypercoagulable
Term
When do the symptoms of preeclampsia-eclampsia go away?
Definition
after delivery of the placenta
Term
What organ systems are affected in a mother with preeclampsia-eclampsia?
Definition
Liver (fibrin thrombi, hemorrhage, necrosis), kidney (fibrin in glomeruli and capillaries, renal cortical necrosis), brain (hemorrhage and thrombosis), heart and anterior pituitary
Term
What happens to the placenta in preeclampsia-eclampsia?
Definition
Infarcts, retroplacental hematoma, villous ischemia, acute atherosis** of uterine vessels (fibrinoid necrosis, MAC inflammation)
Term
HTN + edema + proteinuria?
Definition
preeclampsia
Term
Preeclampsia + headaches and vision changes?
Definition
severe preeclampsia
Term
Preeclampsia + convulsions?
Definition
eclampsia
Term
What is HELLP Syndrome?
Definition
Severe preeclampsia + hemolysis, elevated liver enzymes, low platelets
Term
Management of pre-eclampsia/eclampsia if baby is preterm?
Definition
If mild, expectant management
If severe, delivery regardless of fetal age
Term
Long term maternal sequelae after preeclampsia?
Definition
20% develop HTN and microalbuminemia within 7 years
2x increase in heart and brain vascular disease
Term
How can the placenta become infected?
Definition
Ascending bacterial infection (more common) – eg. Acute chorioamnionitis
Hematogenous spread – transplacental + TORCH organisms
Term
What are the TORCH organisms?
Definition
Toxoplasma gondii
Others – Parvovirus B19, syphilis, TB, listeria
Rubella
CMV
HSV, HIV
Term
What do TORCH infection cause?
Definition
Neonate fever, encephalitis, chorioretinitis, hepatosplenomegaly, pneumonitis, myocarditis, hemolytic anemia, and vesicular or hemorrhagic skin lesions
Term
Term for cystic swelling of chorionic villi with trophoblastic proliferation?
Definition
Hydatiform mole
Term
Are hydatiform moles benign or malignant?
Definition
Benign but we want to know and distinguish them with regard to increased risk of invasive mole or choriocarcinoma
Term
What hormone levels may indicate the presence of a hydatiform mole?
Definition
elevated hCG beyond normal for pregnancy
Term
what is the most common route of hydatiform mole formation? how else are moles formed?
Definition
1. Partial mole = filled ovum fertilized by two sperm
2. Complete mole = one sperm fertilizes an empty egg than duplicates (90%); two sperm fertilize an empty ovum (10%) ('completely' dad's fault)
Term
which type of mole has an increased risk of choriocarcinoma?
Definition
complete mole
Term
which type of mole has fetal tissue present?
Definition
partial mole
Term
which type of mole has some villi hydropic and some normal?
Definition
partial mole
Term
what are two risks assoc with invasive moles?
Definition
-a part may break off and embolize to distant sites
-uterine rupture
Term
what are risk factors for gestational choriocarcinoma?
Definition
50% derived from complete moles
25% in person with previous abortion
22% in normal pregnancy
Term
what type of cancer presents as vaginal bleeding with brown fluid spotting during pregnancy, after a miscarriage or even months after curretage?
Definition
gestational choriocarcinoma
Term
is chemo more effective in gestational choriocarcinoma or ovarian choriocarcinoma?
Definition
chemo is extremely effective in gestational choriocarcinoma; poor prognosis with ovarian choriocarcinoma (spontaneous germ cells tumor)
Term
Where do most breast cancers arise from?
Definition
Upper outer quadrant and in terminal duct lobular units
Term
What patients are most likely to develop acute mastitis?
Definition
Breast-feeding women, caused by S. Aureus
Term
What may mimic breast cancer?
Definition
Fat necrosis – generally associated with trauma
Confusion with cancer due to palpable mass or calcification on mammogram
Term
What is the most common benign breast condition?
Definition
Non-proliferative fibrocystic changes--no increased risk of cancer
Other type of fibrocystic change = proliferative (worse – increase risk of getting cancer)

*NOTE: fibroadenoma is the most common benign neoplasm in premenopausal women but fibrocystic change is the most common benign condition overall
Term
What are the histologic components of fibrocystic changes?
Definition
1. Cysts with apocrine metaplasia – Dilated lobules; coalesce and form “blue-dome” cysts grossly
2. Dense fibrosis – Reaction to cyst rupture
3. Adenosis – Increase in the number of acini per lobule.
Term
Compare and contrast fibroadenoma (most common benign tumor) and phyllodes tumor.
Definition
Fibroadenoma = most common benign tumor, usually small, <30, palpable mass, gross: sharply circumscribed nodule, micro: delicate stroma around compressed, distorted slit-like glandular spaces (stroma proliferates and compresses the ducts)
Phyllodes tumor = most are benign but can be borderline or malignant, larger than fibroadenoma, 60s, larger lesions often have bulbous protrusions (pyllodes: leaflike), distinguished from fibroadenomas on the basis of cellularity, mitotic rate, nuclear pleomorphism, stromal overgrowth and infiltrative borders. Phyllodes tumors are hypercellular, invasive into adjacent tissue, mitotically active
Term
What is the most common cause of bloody nipple discharge in younger women?
Definition
Intraductal papilloma (side note: papillomas are benign and have luminal and myoepithelial cells, whereas papillary carcinomas lack myoepithelial cells).
Term
Describe the mechanism of Paget’s disease and its association with underlying cancer
Definition
Paget Disease of the breast is DCIS that extends up the ducts to involve the skin of the nipple. It presents as nipple ulceration and erythema. It is almost always associated with an underlying carcinoma.
Term
Rank the following lesions (fibroadenoma, ADH, DCIS, and LCIS) in terms of developing invasive carcinoma after diagnosis.
Definition
Nonproliferative breast changes (fibroadenoma without complex features) (1x)
Proliferative disease without atypia (fibroadenoma with complex features) (1.5-2.0x)
Proliferative disease with atypia (ADH = atypical ductal hyperplasia) (4-5x)
Carcinoma in situ (LCIS, DCIS) (8-10x)
Term
What is the most common breast cancer histologic type?
Definition
ductal
Term
What are the breast cancers with better prognosis?
Definition
Medullary, tubular and mucinous types
Term
Which BRCA mutation is associated with higher ovarian cancer risk
Definition
BRCA1
Term
Which BRCA mutation is associated with triple negative breast tumors?
Definition
BRCA1
Term
Which BRCA mutation is associated with higher male breast cancer risk?
Definition
BRCA2
Term
Recognize 4 molecular types of breast cancers (Luminal A, Luminal B, Basal-like and HER2/neu positive carcinoma)
Definition
LUMINAL A: ER+, PR+, HER2/neu-
LUMINAL B: ER+, PR+, HER2/neu+
HER2/NEU : ER-, PR-, HER2/neu+
BASAL-LIKE: Triple negative (ER, PR, HER2/Neu negative), express basal keratins. Carcinomas arising in women with BRCA1 mutations cluster with this group (Poor prognosis). Poorly differentiated, have a syncytial growth pattern with pushing margins, have a lymphocytic response.
Term
what is the single most important factor in predicting breast cancer prognosis? what else is predictive of therapy benefit?
Definition
single most important factor = LN involvement
also predictive = ER and HER2 Neu status
Term
How effective is chemo for breast cancer? what chemo agents are used?
Definition
Administration of chemotherapy reduces recurrence rates by 30%, decrease mortality by 20%. Optimal duration of adjuvant chemo is 3 – 6 months.
Typical agents: Adriamycin, cyclophosphamide, taxanes, trastuzumab if HER2+
Term
What are some side effects of chemotherapy for breast cancer?
Definition
Short term toxicities: Hair loss, N/V
Anemia, risk of infection
Premature menopause
Cognitive dysfunction
Cardiac dysfunction
Acute leukemia/MDS
Term
What populations can aromatase inhibitors and tamoxifen be used on for treating breast cancer?
Definition
AIs work only in postmenopausal women.
Tamoxifen works in pre and postmenopausal women
Term
what is the inheritance pattern of BRCA1 and BRCA2?
Definition
Autosomal dominant inheritance, passed via maternal or paternal allele
Term
What are some features that indicate increased likelihood of having BRCA mutations?
Definition
Multiple cases of early onset breast cancer (<50 years)
Ovarian cancer (with family history of breast or ovarian cancer)
Breast and ovarian cancer in the same woman
Bilateral breast cancer
Ashkenazi Jewish heritage
Male breast cancer
Term
What should you do next when you suspect a patient of have a hereditary breast/ovarian syndrome (besides treat them obvi)?
Definition
refer for genetic counseling
Term
What is the fate of a pt with metastatic breast cancer?
Definition
MBC is incurable. 22% are alive at 5 years.
median survival = 2 years.
Term
What are the most common cancers that metastasize to the breast?
Definition
bone, lungs, liver, brain
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