術前診断が困難だった副腎出血の1例

A 73-year-old man was admitted to the hospital because of a growing tumor in his left upper abdomen. The tumor was peripherally enhanced and filled with necrotic tissue by contrast CT. By PET-CT, SUV max was high in the peripheral area of the tumor. Endocrinogical data for adrenal function were within the normal range. Accordingly, we diagnosed a nonfunctional adrenal tumor. Left adrenalectomy was performed, because a possibility of malignant tumor could not be ruled out and abdominal tumor was growing fast for a few months. At laparotomy, we saw the dorsal displacement of the transverse colon by a giant cystic tumor, which has several septums and was filled with old bloody fluid components. The resected tumor was 15cm in maximum diameter and 860g in weight. Histopathological diagnosis was adrenal hemorrhage without malignant findings.