SASP 2013 Flashcards
most common cause of post AUS incontinence 3 yrs out
urethral atrophy
most common cause of post AUS incontinence 3 yrs out - mgmt
(urethral atrophy) downsize cuff, move to more proximal or distal location, add second cuff in tandem
LMWH and spinal anesthesia
risk of spinal hematoma - FDA black box warning.
who is at “increased risk” for DVT - 4
previous DVT, malignancy, immobility, paresis
localized SCC urethral in female - tx
circumfrencial excision including excision of anterior vag wall. Distal urethral tumors usually low stage, 70-90% cure rate
outcome of tx for localized urethral ca
usually low stage, 70-90% cure rate
how much urethra can be excised and maintain continence in female
distal 1/3
when to do groin dissection in female urethral cancer
(+) inguinal/pelvic LN w/o distant mets or if adenopathy develops during surveilance.
when to do anterior pelvic exenteration in female urethral cancer
proximal urethral ca as part of multimodal approach w/ chemoradiation
cisplatin nephrotoxicity due to
direct toxic effect on renal tubular cells.
what predisposes to cisplatin nephrotocity
Azotemia and dehydration
ureteroiliac fistula with no bleeding at the time of angio
do provacative maneuver - stent removal or mechanical friction of ureter (PRG 60% dx, angio 4/14 dx)
osmolarity of proximal tubule fluid reabsorbtion
iso-osmotic
sodium transport in prox tubule
active transport. most chloride and bicarbonate reabsorbed with sodium
renal lymphoma origin, and type
90% are not primary, non-hodgkins is most common
hints at renal lymphoma
multifocal masses, bilateral and regional lymphadenopathy
mgmt of intraoperatively discovered renal lymphoma
finish case - no need for nx. plan for chemo
transverse vaginal septum findings
distended upper vagina and presence of uterus. most common in middle and upper 1/3 vagina.
how does transverse vaginal septum happen
arises from failure in fusion of canalization of UG sinus and Man ducts.
where does transverse vaginal septum occur
most common in middle and upper 1/3 vagina.
vaginal atresia def
ug sinus fails to contribute to formation of distal vagina.
MRKH
partial or complete absence of the vagina and uterine abnormalities. uterus partially or completely abscent. ovaries and fallopian tubes are present and may be normal or hypoplastic.
MRKH type 1
involves Man structures (vagina and uterus)
MRKH type 2
concurrent abnormalities of heart, kidneys, or otologic system
androgen insensitivity syndrome - genital abnormalities
missing uterus, salpinx, upper 2/3 vagina.
how do structures regress in androgen insensitivity syndrome
these regress under influence of MIF secreted from testis
imperforate hymen findings
visible bulging membrane at vaginal introitus
macroscopic vs microscopic penile reimplantation oafter amputation
microscopic has reduced penile skin loss, urethral stricture, loss of penile sensation. equivelant rate of erectile function (50%)
erectile function outcome after penis with micro vs macroscopic repair
50%. repair does not influence outcome.
difference in complications (urethral stricture, penile skin loss, with microvascular vs macroscopic repair of amputated penis
all less with microvascular reapir
bulky penile cancer - mgmt
neoadjuvant chemo may allow for future resection.
Trabulsi EJ, Hoffman-Censits: chemotherapy for penile and urethral ca. urol clin n am. 2010
cisplatin, ifosfamide, paclitaxel in TxN2-3 followed by LND showed objective response rate of 55% and complete pathologic response rate of 10%
kub radiation vs ct
x ray 0.25mSv to stomach, ct = 50x
concordance between retroperitoneal and pulmonary mets path in testicular cancer
75% concordance
why is postchemo thoracotomy with mass resection important in testicular cancer
25% discordant path with retroperitoneum and can be curative if viable tumor
mgmt of lung masses s/p rplnd for active tumor in testicular ca
curative if teratoma, helpful in a subset with viable tumor
when is pet helpful in testicular ca
6 weeks post chemo if > 3 cm postchemo seminoma
where is pet not helpful in testicular ca
NSGCT, and non-abdominal masses (mediastinal, pulmonary) b/c hasnt been studied competely
when to abort ipp placement - 2
urethral injury, significant crural perforation
2 predictors of obstructive azoospermia
96% likelyhood of OA if testis longitudinal axis > 4.6 cm and FSH < 7.6
when does fecundity of female plummet
after 37 yo
what parameter dictates TRUS in infertility w/u
semen volume < 1.5ml. must have nl vas
what is young’s syndrome and assd sx (2)
thick epididymal secretions cause obstructive azoospermia. have assd bronchiectasis, sinusitis
immotile cilia syndrome found in x?
kartagener’s syndrome
most common karyotypic abnormality in infertile male
kleinfelter’s
definition of primary testicular failure
FSH > 2x nl
abnormalities on TRUS suggesting ejaculatory duct obstruction - 4
- SV > 1.5 cm AP plane, 2. dilated ejaculatory ducts > 2.3 mm diameter, 3. calcifications in ejaculatory duct, 4. midline cystic structure in prostate
what is kallman’s syndrome
most common cause of hypogonadotropic hypogonadism. x linked defect with hypothalamic dysfunction and absent GnRH. anosmia and absent puberty
prader wili syndrome - gu problem and sx
hypogonadotropic hypogonadism. absent GNRH secretion. obesity, small hands/feet, MR, short
laurence moon bardet biedl syndrome
hypogonadotropic hypogonadism. polydactyly, retinitis pigmentosa
prolactinoma most common sx - 2
decreased libido and ED
prolactinoma initial tx
prolactin antagonist - bromocriptine
kleinfelter’s - definition and findings (4)
47 XXY - small firm testis (sclerosis of seminiferous tubules), gynecomastia (elevated [estrogen]), azoospermia, hypogonadism
kleinfelter’s and infertility
azoospermic but viable sperm with nl karyotype can be found on testis biopsy. candidates for ICSI
sertoli cell only syndrome - def
germ cells (sperm and precursors) absent. leydig cells present outside tubules. azoospermia and high FSH
sertoli cell only syndrome and infertility
25-50% can have sperm retrieved –> ICSI
RCC T2a vs T2b
T2a 7-10 cm, T2b > 10 cm
renal us finding most suggestive of renal artery stenosis
increased peak systolic velocity (> 180cm/sec)
what is renal aortic ratio
ratio of renal peak systolic velocity (PSV) to aortic PSV. > 3.5 = > 60% stenosis
what is an abnormal renal aortic ratio
RAR > 3.5 = > 60% stenosis
treatment for kallman’s desiring fertility
first step - HCG and recombinant FSH, if no response then give IV GNRH (expensive and annoying)
how does azoospermia happen in kallman’s
inadequate intratesticular testosterone and natural absence of pituitary hormones
incidence of upper trace deterioration s/p RC/IC
50% with long term followup
how does finasteride supress bph hematuria
intraprostatic supression of VEGF. if hematuria persiste, r/o upper tract source
persistent hematuria in BPH after finasteride and controlling prostate bleeding
if hematuria persistes, r/o upper tract source
prolactinoma associated lab finding
low testosterone
mgmt of mildly elevated prolactin with nl testosterone level
rarely clinically significant. first repeat prolactin
next step in mildly elevated prolactin in any setting
always repeat test because high interassay variability
neurovascular bundle on the prostate travels between what layers of fascia
levator and prostatic fascia
3 layers of fascia covering prostate
levator fascia, denonviers fascia, and prostatic fascia
mgmt of post uretral bulking agent retention
CIC with small catheter (10-14 fr). large or indwelling catheterwill push mucosal blebs apart or cause molding around the catheter
prolonged retention after bulking agent mgmt
SPT preferred
ureterolithiasis and early pregnancy
trial of hydration and analgesia. if fails, stent with us
nl bladder compliance is due to
bladder wall vesicoelasticity
AZFa and/or AZFb deletion + AZFc = x on biopsy
sertoli only phenotype
what does FISH identify
aneuploidy in chr 3,7,17, and homozygous loss of 9p21
positive fish in the setting of previous bladder ca- mgmt and rationale
random bladder biopsies. 2007 yoder - 63% with negative cysto, cytology, and ct had recurrence
upper tract investigation for positive fish and negative cysto , ct, cytology
dont do it, rarely positive
initial eval for luts if nocturia present
h/p, PE, DRE, UA, frequency/volume chart. uds, cysto, cr not part of initial eval
gold std for disseminated orvisceral kaposi sarcoma
doxorubicin
how often does leakage from urinary diversion spontaneously resolve
20-60%.
mgmt of post RC/IC leak
conservative if pt not septic. place foley in conduit. if stomal catheter doesnt decrease abd drain output, place nephrostomies.
how do zolendronic acid and bisphosphonates help in prostate ca
reduce bone resorption by inhibiting osteoclastic activity. ZA reduces skeletal events
bad complication of bisphosphonates
osteonecrosis of mandible. usually associated with dental work or who have poor dentition or chronic dental diseaes. stop if planned dental work
what receptor is used fort cell interaction with dendrytic cells
via MHC 2 receptor
what happens to t cell after activated by dendrytic cell
release TNF, interluken, and other cytokines for augmented cellular/humoral response
what response is provoked by dendritic/APC’s
activation of T cells via interaction of t-cell’s MHC2.
how are b cells stimulated
by dendrytic cell direct stimulationby antigen
what happens to b cell after activated
differentiates into antibody producing plasma cell
when to do laparoscopy for calyceal diverticulum
anterior location and > 2 cm diverticulum
when do ureteroscopy for calyceal diverticulum
anterior and < 2 cm stone
when do pcnl for calyceal diverticulum
posterior diverticulum
what pathologic factor predicts poor response to chemo in bladder cancer
micropapillary does not respond to chemo
what pathologic types respond better to neoadjuvant chemo - 2
small cell and squamous
lesion location for striated sphincter dyssenergia
between pons and sacral spinal cord
lesion above pons and uds
DO with synergistic activity of proximal and distal SC
lithotripsy method best for uncorrected bleeding disorders
urs/ll. ESWL is contraindicated
mgmt of bladder spasms refractory to opioids after reimplant
torodol is effective in reducing bladder spasms after bladder surgery when anticholinergics fail
renal artery aneurysm in F considering pregnancy and why
surgical repair. endovascular stent will require lifelong anticoagulation
first step in alkalinizing urine for uric acid stones
k citrate.
2nd line to alkalinize urine in uric acid stones if k citrate fails
add acetazolamide - increases urinary bicarbonate and h reabsorbtion
when to give allopurinol in uric acid stones
if elevated urinary uric acid level
what not to give in uric acid stones
thiazides increase uric acid level
how to dx and manage benign excessive urinary frequency in children
continence maintained, and frequency does not persist at night. reassure that is assd w emotional stress and will go away in 3-6 mo.
eponym for vesicouterine fistula and triad
youssef syndrome - seen in 20%: menouria, amenorrhis, chronic urinary incontinance
etiologies of vesicouterine fistula - 3
s/p c-section (incorporation of bladder into closure), D&C, vaginal delivery after prior c-section
presentations of vesicouterine fistula
60% intermittent/cyclical gross hematuria (menouria-menustral tissue passed through urine), 20% chronic urinary incontinence (urine passes via incompetent uterine sphincter), 20% youssef syndrome: menouria, amenorrhia, chronic urinary incontinance
mgmt of vesicouterine fistula
< 6 months - conservative with foley and endocrine supression of menustral flow - 50% success. > 6 mo and no desired fertility- do hysterectomy. if desired fertility juxtapose tisue in repair
condyloma lata definition
manifestation of secondary dyphilis. flesh colored or hypopigmented, macerated papules or plaques.
what kind of stones do ketogenic diet and topiramate cause
calcium phosphate
why do ca phos stones form with ketogenic diet and topiramate
they alkalinize urine
autonomic dysreflexia assd w injury above
T5 although can happen w injuries above T6-10
autonomic dysreflexia stimulated by - 4
overfilled bladder, colonic distension, decub ulcer, silent orthopedic fx
tx of autonomic dysreflexia if removal of noxious stimuli doesnt help
1/2 to 1 inch nitropaste, or oral/sublingual nifedipine. can get rebound hypotension (with nitroglycerine - wipe off paste)
POP-Q definition of Aa and Ba
Aa - midline of anterior vaginal wall (AVW), 3 cm proximal to meatus corresponds to urethrovesical junction. +/-3 from hymenal plane. Bamost dependant part of any part of AVW btw Aa and vaginal cuff or anterior vaginal fornix. no prolapse = -3, yes prolapse = distanc btw vaginal apex and hymenal plane
POP-Q definition of C and D
C = most distal (dependent) edge of cervix or leading edge of vaginal cuff, D = only if cervix present - deepest point of posterior fornix. correlates w where uterosacral ligaments attach to posterior cervix
POP-Q definition of Ap and Bp
Ap - midline of posterior vag wall (PVW), 3 cm prox to posterior hymen - +/- 3 cm from hymenal plane. Bp - most distal (dependent) position of any part of upper PVW btw Ap and vaginal cuff/ posterior fornix. no prolapse = -3, + value beyond hymen
POP-Q definition of gh and pb
gh - anterior posterior measurement from muddle of meatus to posterior midline hymen. pb - measured from posterior margin of genital hiatus to mid anal opening
POP-Q TVL definition
measured by reducing point C or D to its most superior position
POPQ - Stage 0 - II
0 - no prolapse. all points - 3 and D or C = TVL; I - most distal portion of prolapse is >1 distal to hymen (ie -1); II - prolapse is -1 to +1 to hymenal plane
POP-Q Stage III and IV
III - max prolapse is > 1 cm outside hymenal plane, but 2 cm less than max possible protrusion (aka TVL); IV - eversion of total vagina. extends beyond TVL - 2 (stage III)
ureterocalycostomy is reserved for - 4
failure of less invasive tx, intrarenal pelvis, dilated lower calyces, lengthy proximal ureteral stricture
acute viral cystitis - def
sudden onset gross hemturia, bladder wall thickening, urgency/frequency.