Imaging Flashcards
What imaging is used to look at soft tissue swelling?
MRI
Imaging used to view spinal cord?
MRI
Are x-rays useful is sciatica?
No, do an MRI
What is an impacted fracture?
One where the bone ends are driven into one another
Name 3 impacted fractures
- Femoral neck
- Tibial plateau
- Calcaneus
Imaging used in high energy pelvic ring # polytrauma?
CT
Imaging used in low energy pelvic ring #?
MRI
Imaging used in a suspected tibial plateau fracture?
CT
Imaging used in extensor mechanism injuries?
US
What does MRI in knee trauma show?
- Mensical tears
- Cruciate/collateral ligament damage
- Hyaline cartilage damage
- Subtule #s
Undisplaced fractures are best shown by….
MRI
Standard imaging in ankle injuries?
AP and lateral view
Imaging for:
- Pilon
- Calcaneal
- Lisfranc
CT
What imaging is used in renal colic?
- KUB x-ray first line but not sensitive
- Non contrast enchanced CT is the definitive test
What imaging is used in Microscopic haematuria >50yrs?
- CT urography for kidneys, ureters and collecting ducts
- Cystoscopy for bladder and urethra
What imaging is used in Microscopic haematuria
- US to detect calculi and renal parenchymal tumours
- Cystoscopy
- CT urography if above 2 are normal and haematuria persists
What imaging is used in renal masses?
- CT for characterisation and staging
- US for simple cyst
What imaging is used in renal impairment:
a) Pre-renal
b) Renal
c) Post-renal
a) MR angiography to detect renal artery stenosis
b) US to guide biopsy
c) US to show hydronephrosis/CT to define cause of ureteric obstruction
What imaging is used is a painless scrotal swelling/painful scrotum?
US
What imaging is used in a suspected renal or ureteric injury?
CT
What imaging is used in a suspected bladder injury?
(CT) Contrast cystography
What imaging is used in a suspected urethral injury?
Call urologist, maybe urethrography