Table 1. Posttransplant kidney complications.

Perinephric fluid collections	Renal collecting system New students	Vascular complications	Parenchymal abnormalities
Hematoma	Obstructive hydronephrosis	Renal artery thrombosis or stenosis	Focal:
Seroma	Nonobstructive hydronephrosis	Renal vein thrombosis or stenosis	Tumors (urethral and bladder tumors)
Urinoma	Urinary leak	Segmental infarction	Posttransplant lymphoproliferative syndrome
Lymphocele	Nephrolithiasis	Graft torsion	Focal infarction
Abscess	Renal abscess	Arteriovenous fistula	Pyelonephritis/renal abscess
Hematoma	Fungal infections		Cysts
	Transitional cell cancer		Nephrocalcinosis
			Diffuse:
			Acute tubular necrosis
			Hyperacute rejection
			Acute rejection