Papillary necrosis
From Radipedia
POSTCARD
- Pyelonephritis
- Obstruction
- Sickle cell
- Tb
- Cirrosis
- Analgesics
- Renal vein thrombosis
- Diabetes
Ball on a Tee - central necrosis
Lobster Claw - sloughing of edges of papilla
Signet Ring contrast extends into medulla surrounding necrotic segment
Differential for Filling Defect
- Neoplasm - TCC
- Stone
- Papillary necrosis
- Blood
- Fungus
