urology Flashcards
modifiable risk factors in incontinence
weight loss caffeine consumption alcohol medication review e.g. diuretics carbonated drinks amount being drunk also discuss incontinence pads
investigations in incontinecne
vaginal exam / PR exam in males bladder diary (3 days) urine dip + culture bladder scan urodynamic testing
management of stress incontinence 1st line
lifestyle
supervised pelvic floor exercises for 3 months
management of stress incontinence
surgery
duloxetine - last line
tx urge incontinence 1st line
bladder retraining 6 weeks
2nd line tx urge incontinence
anticholinergics
oxybutynin, tolterodine, darifenacin, solifenacin
SEs of anticholinergics
dry mouth, dry eyes, urinary retention, constipation and postural hypotension
alternative to anticholinergics in tx of urge incontinence
mirabegron - beta 3 agonist
what is a CI to the use of mirabegron and what should be monitored while taking it
contraindicated in uncontrolled hypertension
measure BP before treatment and 1 month after
invasive treatments of urge incontinence
botox
surgery
some drugs that cause acute urinary retention
- Anticholinergics e.g. antipsychotics or antihistamines
- tricyclic antidepressants e.g. amitriptyline
- opioids
- benzodiazepines
- NSAIDs
- Disopyramide
- alcohol
treatment acute urinary retention
catheter - monitor fluid balance and beware if urine output > 200ml/hr - post obstructive diuresis
dx investigation of urinary retention
bladder ultrasound scan, volume > 300 confirms (but dont always need to meet this)
if > 400 leave catheter in place
ix done in acute urinary retention
urine dup and culture
U+E, creatinine
FBC CRP
PSA - NOT DONE as is typically elevated in acute scenario
PV, PR and neuro exam
tx post-obstructive diuresis
IV fluids and sodium replacement
what can occur after catheterisation for chronic retention due to the rapid decrease in pressure in the bladder
decompression haematuria
where is hypospadias found
inferior (ventral) surface of penis
when is hypospadias corrected
1 year
tx penile candidiasis
topical clotrimazole 2 weeks
tx penile dermatitis - allergic, contact, eczema or psoriasis
mild topical steroid
tx bacterial balanitis
oral fluclox or clarith
tx anaerobic balanitis
saline washing +/- topical or oral metronidazole if not settling
tx penile lichen sclerosis (balanitis xerotica obliterans)
high potency topical steroid (clobetasol)
circumcision
what kind of balanitis is seen with reactive arthritis
circinate balanitis
circinate balanitis tx
mild topical steroid
general treatment balanitis
saline washing
wash under foreskin properly
mild topical steroid ST
main risk factors for SCC of penis
hrHPV
non-circumcised
ix SCC of penis
biopsy
US and MRI for invasion
name 3 precursor lesions of penile SCC
bowens - leukoplakia
erythroplasia of queryat - erythroplakia
bowenoid papulosis - multiple reddish papules
tx penile SCC in situ
circumcision or topical 5FU
sentinel nodes of penile cancer
inguinal
2 main causes of priapism
haemoglobinopathy - sickle cell
use of drugs e.g. sildenafil, cocaine
ix to differentiate ischaemic and non-ischaemic priapism
cavernoal blood gas analysis
USS
FBC and toxicology
1st line tx ischaemic priapism > 4 hours
aspiration of blood from cavernosa
often + injection of saline flush
tx ischaemic priapism if aspiration and injection of saline fails
injection of vasoconstrictor e.g. phenylephrine
1st line tx non-ischaemic priapism
observation
factors indicating organic cause of ED
gradual onset symptoms
lack of tumescence
normal libido
drugs causing ED (2)
SSRI
BB
main RF for ED
CVD
ix for ED
lipid and fasting glucose
free morning testosterone
- if low do FSH, LH and prolactin
tx ED
PDE-5 inhibitors- sildenafil (viagra)
- prescribe regardless of cause / can be purchased
what is phimosis
cant retract foreskin
what is paraphimosis
cant replace foreskin
what part of the prostate is palpable on DRE
posterior aspect - peripheral zone
list the main obstructive urinary symptoms “prostatism”
poor stream straining hesitancy - difficulty starting terminal dribbling incomplete emptying overflow incontinence nocturia
ix for BPH
urine dip and culture PSA uroflowmetry urinary frequency-volume chart for 3 days IPSS
1st line tx BPH
uroselective a-blocker
tamsulosin, terazosin, alfuzosin
SE of alpha blocker
dizziness
postural hypotension
dry mouth
depression
2nd line treatment BPH
5-a reductase inhibitor
finasteride
dutasteride
SE of 5-a reductase inhibitor
ED
reduced libido
ejaculation problems
gynaecomastia
how long do 5-a reductase inhibitors take to work and what do they do
shrink prostate
6 months
what do alpha blockers do in BPH
relax bladder and prostate smooth muscle
what drug could be used if there are storage and voiding problems despite use of alpha blocker
antimuscarinic - tolterodine, darifenacin
surgery for BPH
TURP
SE of TURP
ED
retrograde ejaculation
is there prostate cancer screening
no - but if a man asks for PSA / risk factors then do PSA
how many prostate cancer present
usually clinically silent
may present as bone pain (mets)
hard craggy mass on PR
locally advanced - urinary symptoms
what are the upper limits of PSA
50 - 69 = 3
> 70 = 5
1st line ix in prostate cancer
multiparametric MRI
investigation of prostate cancer if likert scale >= 3
prostatic biopsy - 6 on each side
most common spread of prostate cancer
haematogenous
- bone, lungs, liver
presentation of prostate bone mets
osteosclerotic lesions usually in lumbosacral region
low back pain
raised ALP, PSA and prostatic acid phosphatase
grading of prostate cancer
gleason
treatment prostate cancer if elderly, low gleason score, multiple comorbidity
watchful waiting/active surveillance
- candidates for this should have at least 10 core biopsies and at least 1 rebiopsy
tx prostate cancer localised disease
radical prostatectomy and removal of obturator nodes
tx prostate cancer other than radical prostatectomy
radical radiotherapy
hormonal therapy
chemotherapy
bilateral orchidectomy (form of hormonal)
SE radical radiotherapy of prostate
increased risk of bladder, colon and rectal cancer
tx metastatic prostate cancer
androgen deprivation therapy - hormonal, steroids, chemo
radiotherapy - bone mets
what chemotherapy drug is used in prostate cancer
docetaxel
hormonal therapies are used in prostate cancer: synthetic GnRH agonists
goserelin
hormonal therapies are used in prostate cancer: anti-androgen
cyproterone acetate
hormonal therapies are used in prostate cancer: non-steroidal antiandrogen
bicalutamide
hormonal therapies are used in prostate cancer: androgen synthesis inhibitor
abiraterone
what is important to prescribe with synthetic GnRH agonists and why
testosterone rises initially for 2-3 weeks before falling so cover with anti-androgen to prevent tumour flare
how would a tumour flare present
bone pain, bladder obstruction
are non-steroidal or steroidal antiandrogens used more
non-steroidal (bicalutamide)
when might an androgen synthesis inhibitor (abiraterone) be used in prostate cancer
metastatic prostate cancer in patients with no/mild symptoms after androgen deprivation therapy has failed, before chemo
what is prehn’s sign
testicular torsion - elevation of the testis doesnt ease the pain
tx communicating hydrocele in new born males
nothing - usually resolves in a few months
transinguinal ligation of PPV if not healed by 1-2 years old
describe the mass of a hydrocele
transilluminates
can ‘get above’
confined to scrotum
soft, non-tender
ix hydrocele to exclude tumour
ultrasound
“bag of worms”
variocele
variocele can be a presenting feature of what
renal cell carcinoma
dx variocele
ultrasound + doppler studies
scrotal swelling separate from body of testicle, found posteriorly
epididymal cyst
describe a testicular tumour mass
firm, painless testicular mass that cannot be transiluminated
heaviness in scrotum
common presenting feature of testicular cancer
gynaecomastia
tx all testicular tumours
dont biopsy
radical orchidectomy via inguinal approach
tumour marker: bHCG
highly malignant testicular teratoma
sometimes seminoma
tumour marker: AFP
non-seminoma
yolk sac component of teratoma
tumour marker: PLAP
seminoma
main RF for germ cell testicular tumour
undescended testis
ix testicular tumour
ultrasound - first line
AFP is never raised in a ______ testicular tumour
pure seminoma
tumour marker: LDH
tumour burden - raised in 40% germ cell tumours
what lymph nodes do testicular tumours spread to
para-aortic
age group of seminoma
30-50
“potato tumour”
seminoma
semolina used in rice pudding - rice is a carb - potato tumour
seminomas are highly responsive to chemo/radio
radio
what testicular tumours occur in younger males
non-seminoma
- teratoma, embryonal, yolk sac, choriocarcinoma
age group of teratoma
20-30
can occur in childhood
tumour marker of trophoblastic teratoma
bHCG
tumour marker of teratoma with yolk sac elements
AFP
can you “get above” an inguinal hernia
no
variocele typically occurs on what side
left
tender boggy prostate
acute bacterial prostatitis
most common cause of acute bacterial prostatitis
E coli
tx acute bacterial prostatitis
ofloxacin 14 days
unilateral testicular pain and swelling, pain relieved when elevate testis
epididymo-orchitis
ix epididymo-orchitis
urine culture and CT PCR
most common cause of epididymo-orchitis
chlamydia
tx epididymo-orchitis
passmed - ceftriaxone 500mg IM single dose + doxycycline 100mg oral BD 10-14 days
lecture for epididymitis
ix bladder injury
CT cystogram
urinary retention, perinal haematoma and blood at meatus is the typical triad of
bulbar urethral injury
ix urethral injury
ascending/retrograde urethrogram
causes of haematuria
cancer - bladder, renal, prostate stones BPH prostatitis urethritis nephritic syndrome
drugs causing red/orange urine (2)
rifampicin
doxorubicin
ix haematuria (primary care, bloods etc)
urine dip and culture
U+E, ACR
BP
urine microscopy
ix haematuria suspecting bladder cancer
cystoscopy
treatment acute loin pain
NSAID +/- opioid
tx small stone expected to pass <5mm
tamsulosin (alpha blocker)
treatment renal stone not expected to pass if no infection and <2cm total
ureteric stent/ureteroscopy
ECSL - stone fragmentation (CI in pregnancy)
treatment renal stone if infected or hydronephrosis
percutaneous nephrostomy
tx clot retention post frank haematuria
3 way irrigating catheter
ix frank haematuria
CT urogram / USS + cystoscopy
blue dot sign, cremasteric reflex present
torsion of appendage
ix perinephric abscess
CT
ix renal trauma
CT with contrast