副睾丸部Adenomatoid Tumorの1例

概要

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The case: age: 31. Male. Unmarried. About 3 months before, this patient noticed pain in left testis. As the pain became worse in the last few days, he visited the hospital. The left posterior epididymis was swollen to the size of the tip of a thumb. Stiffness and tenderness were slight. Left epididymectomy was done under the diagnosis of tuberculous epididymitis. The surface of the tumor was flat and smooth. It was yellowish in color, and ball shaped and hard. The section was gray-yellowish white in color and was like meat. However, no direct connection with epididymis was evident. Histologically, the cell border of the tumor was indistinct. The cell was generally cubic or multilateral in shape and the cytoplasma was slightly stained with eosin. Epitheloid cells with bright nuclei were surrounded by connective tissue in funicular, adenomatous, or indefinite groups, and were accompanied by several stages of vacuolations including even signet-ring-like cells. The vacuolated cells looked like lymphangioma. In the marginal part of them, layers of smooth muscle fibers and spreading type or clearly bordered round-shaped groups of lymphoid cells were seen. One peculiar feature of this case was unusual positive fat coloration. However, it was not seen in vacuoles.
社団法人日本泌尿器科学会の論文