Renal investigations Flashcards
Renal colic
non contrast enhanced CT if pregnant US
list some ureteric calculi mimics
phlebroliths (darker in the middle), calcified LNs, uterine fibroids, arterial calcification
investigation for macroscopic haemoaturia if over 50 and under 50s
over 50s CT urography and cystoscopy
under 50 US and cystoscopy and if both normal and haematuria still present then do CTU
If CTU contraindicated in haematuria
why would it be contra indicated
MRU
contrast allergy, renal impairment, pregnant
renal mass if >3cm
if
if >3cm - may be malignant
if less than 3 cm - benign
investigation for renal masses
if young/pregnant
CT
US for simple cysts
if young/pregnant MR with contrast
what investigation used for malignant renal tumour staging
CT
Pre renal ix
renal ix
post renal ix
MR angiography for RAS (treatment is catheter angiogram)
Renal - US guided biopsy
Post renal - US
investigation for painful scrotum or painless scrotal swelling
US
give examples of painful scrotum and the differences between them
epididymo-orchitis - viral/bacterial - hyper vascular
testicular torsion - avascular
investigation for urinary tract trauma
CT
investigation for bladder trauma
cystography or CT cystogrophy
can be intra or extra peritoneal
investigation for urethral trauma
urethrogrophy which can only diagnose stricture
