Gamuts
Clubbing or destruction of renal calyces
May Be Caused by
Common
Hydronephrosis
Obstruction of infundibulum
Pyelonephritis
Renal papillary necrosis
Tuberculosis
Vesicopelvic reflux
Xanthogranulomatous pyelonephritis
Uncommon
Abscess
Fungal disease
Neoplasm of kidney
Postoperative scarring
Transitional cell carcinoma