Haematuria + creatinine Flashcards
2 ww referral
Over 45 with unexplained macroscopic haematuria excluding UTI as cause
Over 60 yo with unexplained microscopic haematuria and dysuria or raised WCC
Renal causes of haematuria
Renal: Congenital: PCK Trauma Infection: pyelonephritis Neoplasm Immune: GN
Extra renal causes of haematuria
Extra-renal:
Trauma: stones, catheter
Infection: cystitis, prostatitis, urethritis
Neoplasm: bladder, prostate
Drugs: NSAIDs, furosemide, cipro, cephalosporins
Ix
Bloods - PSA DRE USS - masses CT urogram - upper tract tumours Cystology
Proteinuria
30mg
Cr:Alb > 30mg
Causes of proteinuria
DM
Nephrotic syndrome:
- Minimal change
- Membranous
Amyloidosis
SLE
HTN
UTI
Creatinine
Creatinine is synthesised during muscle turnover
Freely filtered and small proportion secreted by PCT
Used for AKI monitoring
eGFR
Monitor CKD
Modified for sex, age, race
Asymptomatic Haematuria
- IgA Nephropathy
- Thin BM
- Alport’s
IgA Nephropathy / Berger’s Disease
Features:
- Young male with episodic macroscopic haematuria
occurring a few days after URTI
- Rapid recovery between attacks
- ↑IgA
Can occasionally cause nephritic syndrome
Biopsy: IgA deposition in mesangium
Rx: Steroids or cyclophosphamide if ↓renal function
Thin BM Disease
Autosomal dominant
Commonest cause of asymptomatic haematuria
Features
- Persistent, asymptomatic microscopic haematuria
- V. small risk of ESRF