Spontaneous Renal Allograft Rupture Caused by Acute Tubular Necrosis: A Case Report and Review of the Literature

Renal allograft rupture (RAR) is a rare but lethal complication of renal transplantation. It potentially threatens graft and patient survival. RAR is frequently associated with acute rejection, but other causes like renal vein thrombosis and acute tubular necrosis have also been observed. Most commonly a graft nephrectomy is required, but graft repair can also be attempted in selected cases to salvage the graft. Herein, we describe a rare case of spontaneous renal allograft rupture in the early posttransplant period due to acute tubular necrosis. A 42-year-old male, living donor renal allograft recipient, experienced RAR on the sixth posttransplant day. Surgical exploration showed two lacerations of 10 cm and 5 cm length at the upper and mid pole of the kidney. Histologically, the graft demonstrated acute tubular injury; no features of humoral or cellular rejection were identified. The successful management of this complication resulted in the salvage of the patient and the graft. This case demonstrates that early diagnosis and prompt treatment of a life-threatening RAR can salvage the graft.

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