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Stuff I Don't Remember from Repro
USMLE Step 1 Repro
71
Medical
Graduate
04/14/2011

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Cards

Term
Where does lymphatic drainage from the ovaries/testis go? Distal 1/3 vagina? Proximal 2/3 vagina/uterus?
Definition
Ovaries/Testis = para-aortic LNs
Distal vag = superficial inguinal nodes
Proximal 2/3 = obturator, external iliac and hypogastric nodes
Term
What are the 5 ligaments associated w/ the uterus/ovaries?
Definition
Suspensory lig of ovaries = ovaries --> lat pelvic wall (contains ovarian vessels)
Cardinal lig = cervix to side wall of pelvis (contains uterine vessels)
Round lig of uterus = uterine fundus to labia majora (contains NO structures)
Broad ligament = uterus, fallopian tubes and ovaries to pelvic side wall (contains ovaries, fallopian tubes and round ligaments)
Ligament of the ovary = ovary to lateral UTERUS
Term
What cell types make up the female reproductive tract?
Definition
Cuboidal = ovary
Columnar = fallopian tube, uterus, endocervix
Stratified squamous = ectocervix, vagina
Term
What is the pathway sperm take during ejaculation?
Definition
SEVEN UP
Seminiferous tubules, Epididymis, Vas deferens, Ejaculatory ducts, (Nothing), Urethra, Penis
Term
How does the autonomic nervous system affect the male sexual response?
Definition
Point and Shoot
Parasym = erection
Sympathetic = emission (hypogastric n)
Ejaculation = visceral and somatic nn (pudendal n)
Term
Where are the different sperm parts from?
Definition
Middle piece (neck) from Mitochondria
Acrosome from Golgi
Tail from centrioles
Feeds on Fructose
Term
What do sertoli and leydig cells secrete?
Definition
Sertoli = inhibin (inh FSH), androgen-binding protein (maintains T level) and anti-mullerian hormone
Sertoli cells Support Sperm Synthesis
Leydig = testosterone
Term
What forms the blood-testis barrier?
Definition
Tight junctions b/w adjacent sertoli cells (isolates gametes from autoimmune attack)
Term
What hormones act on sertoli and leydig cells?
Definition
FSH stimulates sertoli to produce ABP and inhibin
LH stimulates leydig to release testosterone
Term
What would be the difference in hormone levels in a man with just 1 testis?
Definition
Less sertoli cells so lower inhibin levels --> less feedback on FSH so have increased FSH levels (similar to females in menapause!)
Term
What hormone causes the closing of epiphyseal plates (in both genders)?
Definition
estrogen
(in males is converted from testosteron via aromatase)
Term
What inhibits 5-alpha reductase?
Definition
Finasteride
Term
What is the main effect of DHT?
Definition
Early = differentiation of penis, scrotum and prostate
Late = prostate growth, balding and sebaceous gland activity
Term
What is a hormone indicator of fetal well-being?
Definition
1000-fold increase in estriol
Term
How does estrogen affect thyroid hormone?
Definition
causes decreased catabolism of TBG --> causing increased TBG levels so increased total T4/T3 (free T3/T4 is normal)
Term
What do the theca and granulosa cells respond to and produce?
Definition
Theca responds to LH and makes androstenedione (testosterone!)
Granulosa responds to FSH and makes estrogen and progesterone
Term
What effects does progesterone have during the normal cycle?
Definition
Stim endometrial gland secretions, spiral a devl, thick cervical mucus (inh sperm entry), increased body temp, inh gonadotropins, uterine smooth mm relax, decreased estrogen rec expressivity
Term
What causes the increase in basal body temp w/ ovulation?
Definition
Progesterone
Term
When do changes w/ meiosis occur in the dev of an egg?
Definition
Prophase until Ovulation
Meiosis II is arrested in METaphase until fertilization (an egg MET a sperm)
Term
What is the timeline of pregnancy/fertilization?
Definition
Fertilization w/in 1 day of ovulation
Implantation w/in 6 days after fertilization
hCG detectable 1 weeks after conception in blood (urine 2 weeks after conception)
Term
What structure produces hCG?
In what states is hCG elevated (over preg levels)?
Definition
Syncytiotrophoblast
hydatidiform moles, choriocarcinoma, gestational trophoblastic tumors
Term
What are the hormonal changes associated with menopause? What are the symptoms?
Definition
decreased estrogen, high FSH, somewhat high LH (no surge), elevated GnRH
HHAVOC: Hirsutism, Hot flashes, Atrophy of Vagina, Osteoporosis, Coronary artery disease
Term
What is the presentation of Klinefelter's?
Definition
XXY male
testicular atrophy, eunuchoid body shape, tall, long extremities, gynecomastia, female hari distribution.
Dev delay
High FSH and LH, increased estrogen and decreased testosterone
Caused by dysgenesis of seminiferous tubules --> decreased inhibin, increased FSH and abnl Leydig cell fxn = decreased testosterone (increased LH and estrogen)
Term
What is the presentation of Turner's?
Definition
Short, dysgenesis of ovary, shield chest, bicuspid aortic valve, webbing of neck, preductal coarctation
Most common cause of primary amenorrhea
Term
What are the causes of pseudohermaphroditism?
Definition
Female = exposure to androgenic steroids during early gestation (congenital adrenal hyperplasia, exogenous androgens during preg)
Male = androgen insensitivity syndrome
Term
What is the usual cause of true hermaphrodites?
Definition
Mutation in SRY
Probs w/ fertilization
Term
What are the hormone findings with androgen insensitivity syndrome?
Definition
increased testosterone, estrogen and LH
Term
What is the typical presentation of 5alpha-reductase deficiency?
Definition
AR
Ambiguous genitalia until puberty when increased T causes masculinization
T/estrogen levels normal, LH normal or increased
"Penis at 12"
Term
What is Kallmann Syndrome?
Definition
decreased synthesis of gonadotropins from ant pituitary
Anosmia, lack of secondary sexual characteristics
Failure of GnRF neurons to migration from origin in olfactory placode to hypothalamus
Term
What are the 3 major hormones that cause formation of a male?
Definition
anti-mullerian = degen of paramesonephric duct
Testosterone = male internal genitalia (except prostate)
DHT = male external genitalia incl prostate
No sertoli cells/lack anti-mullerian = both F&M internal and male external genitalia
5alpha-reductase def = male internal, ambiguous external genitalia until puberty
Term
What are the findings with a complete hydatidiform mole?
Definition
46XX/XY
VERY high hCG
uterine size increased (not in partial)
2% risk choriocarcinoma
NO fetal parts (yes w/ partial)
2 sperm to an empty egg (ALL Paternal!)
Risk of malignant trophoblastic dz
Term
What is the major cause of 2nd trimester miscarriages?
Definition
bicornuate uterus (incomplete fusion of paramesonephric ducts)
Term
What is the cause of preeclampsia?
Definition
altered maternal immune response to get lack of maternal spiral a invasion --> poor placental perfusion
Get release of vasoactive substances (preg is nl dilated vasc state) and get altered maternal vascular endothelial fxn
Term
What syndrome may be associated w/ preeclampsia?
Definition
HELLP
Hemolysis, Elevated LFTs, Low Platelets
Term
What are the findings associated w/ gestational choriocarcinoma?
Definition
increased hCG
early hematogenous spread to lungs
responsive to chemo
Preceeded by hydatidiform mole, abortion of ectopic preg or nl term preg
Term
What are the major risk factors for ectopic pregnancy?
Definition
History of infertility
Salpingitis (PID)
Ruptured appendix
Prior tubal surgery
Term
What is the difference b/w Pott's disease and Potter's syndrome?
Definition
Pott's = extrapulmonary TB to vertebrae
Potter's = renal dx that causes clubbed feet, pulmonary hypoplasia and cranial anomalies (pulm prob is cause of death)
Term
What viral proteins from HPV cause the problems?
Definition
E6 and E7 bind and inactivate gene products of p53 and Rb, respectively (E6 --> p53, E7 --> Rb)
Term
What is the most common gynecological malignancy?
Definition
Endometrial carcinoma
decreased myometrial invasion = worse prognosis
Term
What is the most common tumor of all in females?
Definition
Leiomyoma (fibroid)
Term
What does leiomyosarcoma arise from?
Definition
NOT leiomyoma! typically arises de novo
Term
What is the relative incidence of gyn tumors? Prognosis?
Definition
Endometrial > ovarian > cervical
Worst prognosis: ovarian > cervical > endometrial
Term
What is Asherman's syndrome?
Definition
iatrogenic removal of basal layer w/ D&C
Term
What can be used to treat hirsutism (assoc w/ PCOS, etc)?
Definition
Spironolactone
Term
What are the hormonal findings associated with PCOS?
Definition
Increased LH, decreased FSH, increased testosterone
High freq GnRH pulses cause increased LH, decreased FSH and increased androgens
(No CL, no negative feedback)
Term
What are the different types of ovarian cysts?
Definition
Follicular cyst --> hyperestrinism and endometrial hyperplasia
Corpus luteum cyst (hemorrhage into persistent corpus luteum)
Theca-Lutein cyst = due to gonadotropic stim (assoc w/ choriocarcinoma and moles)
Chocolate cyst = ovarian endometriosis
Term
What are the ovarian germ cell tumors (and markers)? Age of presentation?
Definition
Commonly occur in adolescents
Dysgerminoma = hCG and LDH
Choriocarcinoma = hCG (large, hyperchromatic syncytiotrophoblastic cells)
Yolk Sac (endodermal sinus) = AFP, schiller-duval bodies (resemble glomeruli)
Teratoma (immature = malignant)
Term
What are the ovarian non-germ cell tumors? Marker?
Definition
CA-125
Serous cystadenoma
Serous cystadenocarcinoma
Mucinous cystadenoma
Mucinous cystadenocarcinoma
Brenner tumor (Brenner looks like Bladder)
Fibromas
Granulosa cell tumor (Call-Exner bodies)
Krukenberg tumor = GI malig to ovaries --> signet cell adenocarcinoma
Term
What is Meigs' syndrome?
Definition
Triad of ovarian fibroma, ascites, and hydrothorax
Pulling sensation in groin
Term
What are the types of vaginal carcinoma?
Definition
Squamous Cell (secondary to cervical)
Clear Cell (DES in utero)
Sarcoma botryoides (rhabdomyosarcoma variant) = girls <4yrs, spindle-shaped tumor that are desmin positive "Bunch of grapes" in vagina
Term
What is the most important prognostic indicator of malignant breast tumors?
Definition
axillary lymph node involvement
Term
What are the types of malignant breast tumors?
Definition
DCIS
Invasive ductal (most invasive)
Invasive lobular (orderly row of cells)
Medullary (fleshy, cellular, lymphocytic infiltrate, good prognosis)
Comedocarcinoma (ductal, CASEOUS NECROSIS, subtype of DCIS)
Inflammatory (dermal lymphatic invasion, peau d'orange --> neoplastic cells block lymphatic drainage)
Paget's disease (cells = lg cells in epidermis w/ clear halo - also seen on vulva)
Term
What breast disease presents with premenstrual breast pain?
Definition
Fibrocystic disease
Most common cause of breast lumps
Multiple lesions, often bilateral
Can be fibrosis, cystic, sclerosing adenosis (calcifications), epithelial hyperplasia (increased risk carcinoma w/ atypical cells)
Term
What drugs can cause gynecomastia?
Definition
Some Drugs Create Awesome Knockers
Spironolactone, Digoxin, Cimetidine, Alcohol, Ketoconazole
Term
What part of the prostate is affected by Benign Prostatic Hyperplasia?
Definition
Lateral and middle lobes (periurethral lobes)
increased free PSA
Term
What can be used to treat BPH?
Definition
alpha-1 antagonists
Finasteride (inh 5-alpha reductase)
Term
Where is prostatic adenocarcinoma found in the prostate?
Definition
Posterior lobe (peripheral zone)
Term
What are the markers and lab findings w/ prostatic adenocarcinoma?
Definition
Prostatic acid phosphatase (PAP) and PSA (increased total PSA, decreased fraction free PSA)
Increased serum alk phos and PSA w/ osteoblastic metastases
Term
What are the testicular germ cell tumors?
Definition
Seminoma
Embryonal carcinoma
Yolk sac (endodermal sinus)
Chooriocarcinoma
Teratoma
Term
What are the findings/tumor markers of seminoma,, embryonal carcinoma, yolk sac and chriocarcinoma in the testis?
Definition

Seminoma = malignant, painLESS, males 15-35, fried egg appearance, radiosensitive, hCG/LDH

Embryonal carcinoma = malignant, painFUL, glandular/papillary, increased AFP and hCG

Yolk sac = yellow, mucinous, Schiller-Duval bodies, increased AFP

Choriocarcinoma = malignant, increased hCG, hematogenous metastases

Term
What are the testicular non-germ cell tumors?
Definition
Leydig = Reinke crystals, androgen producing
Sertoli cell = androblastoma from sex cord stroma
Testicular Lymphoma = most common testicular cancer in older men
Term
What are the penile carcinomas in situ?
Definition
Bowen's disease = gray, solitary, crusty plaque on shaft or scrotum. 5th decade, progresses in invasive SCC in <10%
Erythroplasia of Queyrat = red velvety plaques on glans (otherwise same as bowen's)
Bowenoid papulosis = wart-like lesions, younger age group, doesn't become invasive
Term
What are the other penile pathologies other than carcinoma in situ?
Definition
SCC = HPV and lack of circumcision, common in Asia, Africa and South America
Peyronie's disease = bent penis due to acquired fibrous tissue formation
Term
What drug is a GnRH analog?
Definition
Leuprolide
Can be used in LIEU of GnRH
Term
What are the antiandrogen drugs?
Definition
Finasteride = 5alpha-reductase inhibitor
Flutamide = non-steroid competitive inhibitor of androgens
Ketoconazole = inh steroid syn (inh desmolase)
Spironolactone = inh steroid binding
Keto and Spirono used to prevent hirsutism --> cause gynecomastia and amenorrhea
Term
What are the estrogen partial agonists?
Definition
Clomiphene - acts on hypothalamus
Tamoxifen - acts on breast
Raloxifene - acts on bone
Term
What are the aromatase inhibitors?
Definition
Anastrozole/exemestane
Term
What drug is a competitive inh of progestins at progesterone rec?
Definition
Mifepristone
Termination of preg, used w/ misoprostol (PGE1)
Term
What is dinoprostone?
Definition
PGE2 analog
Causes cervical dilation and uterine contraction
Term
What does Ritodrine/terbutaline do?
Definition
beta-2 agonists that relax the uterus, reduce premature uterine contractions
Ritodrine allows the fetus to "return to dreams" by preventing early delivery
Term
What does tamsulosin do?
Definition
alpha-1 antagonist used to treat BPH by inh smooth muscle contr
Selective for alpha-1,A,D rec (on prostate)
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