Urology Flashcards
priapism definition
prolonged painful erections
prolonged painful erections
priapism
causes of priapism
HbSS, trauma, ED medication (e.g. sildenafil)
HbSS, trauma, ED medication could be causes of
priapism
priapism management
requires prompt treatment to prevent ischaemic damage
medical = phenylephrine
surgical = decompression + corporal aspiration
medical = phenylephrine surgical = decompression + corporal aspiration
priapism management
phenylephrine is
an sympathomimetic acting predominantly on a-adrenergic R –> peripheral vasoconstriction
an sympathomimetic acting predominantly on a-adrenergic R –> peripheral vasoconstriction
phenylephrine
prostate ca location
posterior lobe, peripherally
prostate ca is graded using
Gleason score
Gleason score is used to grade
prostate ca
Gleason score system
the grade of the majority of the cells + the highest other grade seen (3-5)
most common testicular tumour in boys
yolk sac
yolk sac tumours
most common testicular tumour in boys, elevated AFP + Schiller Duval bodies
most common testicular tumour in boys, elevated AFP + Schiller Duval bodies
yolk sac tumours
Schiller Duval body
pathognomonic of yolk sac tumour, “resemble the glomerulus”
pathognomonic of yolk sac tumour, “resemble the glomerulus”
Schiller Duval body
testicular torsion
sudden, severe, testicular pain, tenderness, N+ V, cremasteric reflex may be absent
cremasteric reflex
lightly stroke the superior + medial thigh leads to a ipsilateral contraction of the cremaster muscle
lightly stroke the superior + medial thigh leads to
cremasteric reflex
absent cremasteric reflex
testicular torsion, upper + lower motor neurone disorders, L1/2 spinal injury
testicular torsion, upper + lower motor neurone disorders, L1/2 spinal injury may lead to
an absent cremasteric reflex
cryptorchidism
undescended testicle
undescended testicle
cryptorchidism
cryptorchidism risk factors
SGA, prematurity
SGA, prematurity are risk factors for
cryptorchidism
complications of cryptorchidism
torsion, infertility, testicular (germ cell) cancer
torsion, infertility, testicular cancer are complications of
cryptorchidism
cryptorchidism management
close monitoring + review at 3/12
>3/12 refer to paediatric surgeon ?orchiopexy
close monitoring + review at 3/12
>3/12 refer to paediatric surgeon is the management for
cryptorchidism
dorsal aspect of penis
anterior
ventral aspect of penis
poster
hypospadia
abnormal opening of the urethra on the inferior/ventral side of the penis
abnormal opening of the urethra on the inferior/ventral side of the penis
hypospadia
epispadias
abnormal urethral opening on the superior/dorsal surface of the penis
abnormal urethral opening on the superior/dorsal surface of the penis
epispadias
varicocele most commonly affect
the LHS due to increased resistance to flow (L gonadal verin to L renal vein, R gonadal v to IVC)
germ cell testicular cancer risk factors
Kleinfelter’s S, cryptorchidism
Kleinfelter’s S, cryptorchidism are risk factors for which type of testicular cancer
germ cell
testicular mass is ___ until proven otherwise
cancer
epididymal masses are nearly always
benign
differentials for scrotal pain
testicular torsion, testicular cancer, referred pain from renal colic, trauma, epididymitis, orchitis, strangulated hernia
differentials for scrotal swelling
testicular cancer, varicocele, hydrococele, testicular torsion, trauma, hernia, epididymitis/orchitis (STI, TB, mumps), spermatococele
differentials for difficulty passing urine
BPH, strictures, detrusor dysfunciton, UTI, bladder/prostate ca, neurological cause, retention
differentials for haematuria
infection, inflammation, baldder/kidney/ureter/prostate ca, stones, BPH, trauma, beetroot, ketamine abuse
differentials for loin pain
stones, MSK, trauma
differentials for urinary incontinence
stress (weak sphincter), urge (detrusor overactivity), mixed, functional, continuous (vesicovaginal fistulae), overflow (chronic distended bladder), nocturnal enuresis, post-micturition dribble
differentials for ED
age, depression, anxiety, stress, CVS DZ, Peyronie’s DZ, SC DZ, MS, PD, iatrogenic, DM, renal failure, cirrhosis
orchitis
less common than epididymo-orchitis, inflammation of just the testis, e.g. mumps orchitis (with parotid swelling)
varicocele
ectatic + tortuous v of the paminiform plexus of the spermatic cord, 15% of male adolescents, may cause pain, damage to testes, infertility
Peyronie’s DZ
CT DZ, fibrous plaques in the tunica albuginea, abnormal curvature, ED,
epididymo-orchitis
acute, ux, 2/3rds = chlamydia, may be urethral discharge, urethritis often asymptomatic
epididymo-orchitis management
quinolone ABx, doxy if chlamydia
ectatic + tortuous v of the paminiform plexus of the spermatic cord, 15% of male adolescents, may cause pain, damage to testes, infertility
varicocele
CT DZ, fibrous plaques in the tunica albuginea, abnormal curvature, ED,
Peyronie’s DZ
acute, ux, 2/3rds = chlamydia
epididymo-orchitis
quinolone ABx, doxy if chlamydia is the management for
epididymo-orchitis
prostate ca risk factors
age, ethnicity, FH
prostate ca presentation
PSA, LUTS, mets, malaise, weight loss, SCC, anaemia
prostate ca investigations
DRE, PSA, TRUS, MRI/CT, bone scan
PSA pros
detect ca, at earlier stage for Rx, serial measurements for progression of DZ
PSA cons
not diagnostic, doesn’t detect all ca, detece ca which PT may have died with rather than of (overtreatment)
T1/2 prostate ca
confined to prostate gland
prostate ca management
active surveillance for low risk
T1/2 = radical prostatectomy, brachytherapy, external beam radiotherapy
T3 = radical prostatectomy + extended pelvic lympadenectomy, external bean radiotherapy + androgen depravation
metastatic DZ: castration
radical prostatectomy effect on PSA + SE
PSA should drop to 0, SE: ED, incontinence
EBRT
daily for 4-7.5/52, plus androgen deprivation therapy (LHRH agonist), SE: bowel symptoms, ED, frequency + urgency
brachytherapy
radioactive seeds inserted into prostate, SE: frequency + urgency, retention
T3 prostate ca
beyond prostate
T4 prostate ca
invades adjacent structures
medical castration
goserelin acts on pituitary gland to stop LH/FSH release, use cyproterone acetate (testosterone agonist) to prevent tumour flare
finasteride
5a-reducatse inhibitor, metabolises testosterone to dihydrotestosterone, used in BPH + male pattern baldness, reduces prostate V, may slow DZ progression, takes 6/12 to work
5a-reducatse inhibitor, metabolised testosterone to dihydrotestosterone, used in BPH + male pattern baldness, reduces prostate V, may slow DZ progression, takes 6/12 to work
finasteride
confined to prostate gland = Tx
1/2
beyond prostate = Tx
3
invades adjacent structures = Tx
4
AFP is a marker of
teratoma, HCC ca
explain TURP
NBM 6h prior, camera via penile opening to prostate, removes excess tissue, spinal/GA, overnight stay, catheter removed w/i 24h, OP follow up
alternative to TURP for BPH
medical (finasteride, tansulosin), catheterisation
complications of TURP
haematuria, injury to bladder/urethra, urinary incontinance, ED, retrograde ejaculation, urine infection, TURP S, urinary retention, recurrence
TURP S
rare, but potentially life threatening complication of TURP: hyponatraemia, electrolyte disturbances, fluid overload due to absorption of fluids used in bladder irrigation
hyponatraemia, electrolyte disturbances, fluid overload due to absorption of fluids used in bladder irrigation
TURP S
BPH investigations
IPSS, DRE, urinalysis (UTI, proteinuria, haematuria), PSA, prostate US, prostate biopsy, flow rate, bladder scan (post-void), urodynamics
IPSS, DRE, urinalysis, PSA, prostate US, prostate biopsy, flow rate, bladder scan, urodynamics
BPH investigations
tamsulosin
alpha-1-adrenoreceptor antagonist in the prostate causing smooth m relaxation, rapid onset
tamsulosin SE
dizziness, postural hypotension, dry mouth, depression, lethagy, GI disturbances, nasal congestion, ED
dizziness, postural hypotension, dry mouth, depression, lethagy, GI disturbances, nasal congestion, ED are SE of
tamsulosin
alpha-1-adrenoreceptor antagonist in the prostate causing smooth m relaxation, rapid onset is the method of action of
tamsulosin
finasteride SE
ED, decreased libido, ejaculatory disorders, gynaecomastia, breast tenderness
ED, decreased libido, ejaculatory disorders, gynaecomastia, breast tenderness are SE of
finasteride
which drug may decrease PSA by up to 50%?
finasteride
finasteride + PSA
may reduce valused by up to 50%
urinary symptoms - ask about
f, nocturia, terminal dribbling, incomplete voiding, straining, hesitancy, urgency, incontinence, haematuria, dysuria, abdo/pelvic pain, constipation, fever, lower back pain, sexual dysfunction, urinary retention, previous Sx/intervention, systemic features: weight loss, appetite, bone pain
storage symptoms
urgency, urge incontinence, f, nocturia
voiding symptoms
hesitation, poor stream, terminal dribble, intermittent stream, post-void residual V, post-void dribble, prolonged voiding, straining
urgency, urge incontinence, f, nocturia
storage symptoms
hesitation, poor stream, terminal dribble, intermittent stream, post-void residual V, post-void dribble, prolonged voiding, straining
voiding symptoms
LUTS DD
BPH, bladder ca, prostate ca, UTI, OAB, urethral strictures, neurological DZ
BPH, bladder ca, prostate ca, UTI, OAB, urethral strictures, neurological DZ are differentials for
LUTS
scoring system used for LUTS
IPSS (international prostate symptom score)
BPH definition
hyperplasia = increase in the number of prostate cells, a histological diagnosis
BPE
enlargement of the prostate gland which may be due to BPH
BOO
bladder outflow obstruction = regardless of cause
BOO indications for referral + intervention
acute urinary retention, bladder stones, large post-void residual leading to obstructive nephropathy/recurrent infections, failing medical management
acute urinary retention, bladder stones, large post-void residual leading to obstructive nephropathy/recurrent infections, failure of medical management are indications for
referral + intervention
IPSS questions
incomplete emptying, f, intermittency, urgency, weak stream, straining, nocturia
BOO treatment options
watchful waiting, a-blockers (tamsulosin), 5a-reductase i (finasteride), combination therapy, phytotherapy, Sx, catheter
watchful waiting/conservative methods for BOO include
fluid intake, caffeine, EtOH, bladder retraining, continence pads
phytotherapy is
herbal remedy for BPH