Korean J Urol.  2008 Oct;49(10):953-956. 10.4111/kju.2008.49.10.953.

Renal Intracystic Massive Hemorrhage after Blunt Trauma

Affiliations
  • 1Department of Urology, Inje University College of Medicine, Busan, Korea. ur0kang@hanmail.net
  • 2Department of Radiology, Inje University College of Medicine, Busan, Korea.
  • 3Department of Pathology, Inje University College of Medicine, Busan, Korea.

Abstract

Spontaneous and post-traumatic renal intracystic hemorrhages are extremely rare, but are a potential danger to patients with cystic kidney disease. We report two cases of post-traumatic intracystic massive hemorrhage in renal cysts. One patient was a 27-year-old male who presented with left flank pain and gross hematuria after slipping on the stairs 2 days previously. The other patient was a 58-year-old male who presented with back pain due to an accident. The circulatory states of the two patients were deteriorated and renal intracystic hemorrhages were detected on computed tomography. One patient underwent a simple nephrectomy and the other patient was treated with arterial embolization. We present two cases of renal intracystic hemorrhage, emphasizing early diagnosis and the treatment of choice.

Keyword

Trauma; Kidney; Cysts; Hemorrhage

MeSH Terms

Male
Humans
Cysts

Figure

  • Fig. 1. Abdominal computed tomography shows a large left retroperitoneal mass with a large hematoma and thinning of the left lower pole of the parenchyma (arrow).

  • Fig. 2. The kidney measures 21x17x13cm and weighs 2,130g. It is dilated cystically and filled with blood and blood clots. (A) The renal parenchyma is thinned markedly, measuring <0.1cm in thickness. (B) The cysts are lined by urothelial cells and several immature tubules are present in the remaining renal parenchyma (H&E, x100).

  • Fig. 3. (A) and (B) show active contrast extravasation in the left renal cyst (white arrow) and intracystic hematoma formation (initial). (C) and (D) show persistent active contrast extravasation in the left renal cyst and increasing intracystic and retroperitoneal hematoma formation (thin arrow; 6cm (B) to 12cm (D)) (12 hours later).

  • Fig. 4. (A) Angiography reveals active extravasation from the segmental branch of the left renal artery (white arrow). (B) There is no extravasation after selective embolization using gelfoam and coils (black arrow). (C) No evidence of contrast extravasation and more absorbing state of previously noted intracystic hematoma on the follow-up CT scan (3 weeks later).


Reference

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