Renal
| Indication | COVID Cancel | COVID Urgent | Brief description | Slice thickness and reconstruction kernel | Further details of contrast timing/explanation of what the radiographers do | Abbreviation |
|---|---|---|---|---|---|---|
|
Renal stones? |
CT Kidneys Ureter Bladder (non-contrast, low dose) |
1.5 mm B30f, 1.2 mm increment. |
No contrast |
CT KUB
| ||
|
Follow up of VUJ stones |
Limited CT bladder (non-contrast) |
1.5 mm B30f, 1.2 mm increment. |
No contrast |
CT bladder
| ||
|
Cause of PUJ obstruction, not from stones |
Pre, arterial and delayed - Change to pre + combined dual bolus angio and delayed? |
1.5 mm B30f, 1.2 mm increment. |
CT IVU but renal angio YZT
| |||
|
Haematuria:
| ||||||
|
Asymptomatic Microscopic haematuria Low risk (<40 years, no other risk factor) |
Renal tract US, Plain KUB BUT In persistent haematuria CT IVU |
1.5 mm B30f, 1.2 mm increment. |
CT IVU - Pre, bolus 5 minutes before, repeat bolus and 90 second scan |
CT IVU
| ||
|
Symptomatic microscopic haematuria Low risk (<40 years, no other risk factor) |
CT KUB non contrast , low dose |
1.5 mm B30f, 1.2 mm increment. |
No contrast |
CT KUB
| ||
|
Symptomatic microscopic haematuria High risk (>40 years, smokers, occupational history, drugs, pelvic radiation, UTIs, LUTS, familial) |
CT IVU (contrast) and flexible cystoscopy |
1.5 mm B30f, 1.2 mm increment. |
CT IVU - Pre, bolus 5 minutes before, repeat bolus and 90 second scan |
CT IVU
| ||
|
Macroscopic haematuria (20% malignant) Low risk (<40 years, no other risk factor) |
CT KUB for stone diagnosis (non-contrast) and flexible cystoscopy |
1.5 mm B30f, 1.2 mm increment. |
No contrast |
CT KUB
| ||
|
Macroscopic haematuria (20% malignant) High risk(>40 years, smokers, occupational history, drugs, pelvic radiation, familial) |
CT IVU (contrast) and flexible cystoscopy |
1.5 mm B30f, 1.2 mm increment. |
CT IVU - Pre, bolus 5 minutes before, repeat bolus and 90 second scan |
CT IVU
| ||
|
Abnormality on ultrasound for characterisation Follow up of Bosniak cysts (2F and greater) |
Pre contrast and 90 second (nephrographic) Or Pre, arterial and 90 seconds I have been asked to add both of these and have been protocolling some as one, some as another. If you have a way to differentiate, please let me know |
1.5 mm B30f, 1.2 mm increment. |
Pre-contrast and 90 seconds |
CT dual phase renal or triple phase renal
| ||
|
Renal cell cancer staging |
CT kidneys (arterial) and chest, abdomen and pelvis (PV phase) |
1.5 mm B30f, 1.2 mm increment. |
CT renal staging
| |||
|
Renal cell cancer follow up |
CT kidneys (arterial) and chest, abdomen and pelvis (PV phase) |
1.5 mm B30f, 1.2 mm increment. |
CT CAP + C + art renal
| |||
|
| ||||||
|
Potential live donor |
CT pre, renal angiogram and venous phase + topogram delayed |
1.5 mm B30f, 1.2 mm increment. |
Bolus track arterial and pv. Timings? HU threshold? |
|||
|
Potential transplant recipient |
Non contrast abdomen and pelvis |
1.5 mm B30f, 1.2 mm increment. |
Old split bolus was 50 ml at 1.6 ml/s, pause 10 seconds, 50 ml at 4 ml/s, 50 ml flush at 4 ml/s Now, just non con to look for iliac calcific atheroma |
Non con abdo pelvis | ||
|
Hypertension, renal artery stenosis? |
CT renal angiogram |
1.5 mm B30f, 1.2 mm increment. |
Bolus track arterial (HU 100, 12 second delay) |
CT renal angio | ||
|
Hypertension, renal or adrenal? |
Pre adrenals and review for full adrenals + renal, otherwise just renal angio |
1.5 mm B30f, 1.2 mm increment. |
Bolus track arterial (HU 100, 12 second delay) |
CT adrenals and renal angio | ||
|
Follow up RFA |
Triple phase kidneys - Pre/art/nephrographic (90 s) |
1.5 mm B30f, 1.2 mm increment. |
Triple phase kidneys | |||