The Rapid Growth of Castleman’s Disease of the Pararenal Retroperitoneum Space with Lumbago: A Case Report

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  • 急速な増大による腰痛を契機に発見された後腹膜Castleman病の１例

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Abstract

A 69-year-old male was pointed out to have a 35mm tumor in the left pararenal retroperitoneal region on CT. He had a history of worsening left lumbago. Computed tomography showed the tumor contained dense areas of spotty calcification in the unenhanced phase and strong enhancement in the early to late phases. Magnetic resonance imaging demonstrated low intensity in the T1 phase and slight high intensity in the T2 phase. Abdominal angiography showed that the feeding artery of the tumor was the left lumbar artery; however, no definitive preoperative diagnosis could be made. The mass grew up to 60mm in diameter and the left lumbago worsened over 14 months. Therefore, under the diagnosis of a neurogenic tumor or malignant retroperitoneal tumor, surgical excision was performed. A 60×50×30mm dark yellowish elastic hard mass was extracted; the pathological diagnosis was the hyaline vascular type of Castlemanʼs disease.<BR>We herein report a case of the rapid growth of Castlemanʼs disease in the left pararenal retroperitoneal area.

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