난소의 다낭성 난황종양 - 1예 보고 -
Polyvesicular Vitelline Tumor of the Ovary - A case report -
대한병리학회지 1999년 33권 11호 p.1102 ~ 1106
문우성, 이동근,
소속 상세정보
문우성 ( Moon Woo-Sung )
전북대학교 의과대학 병리학교실 및 의과학연구소
이동근 ( Lee Dong-Geun )
전북대학교 의과대학 병리학교실 및 의과학연구소
KMID : 0357919990330111102
Abstract
Polyvesicular vitelline tumor of the ovary is an extremely rare variant of yolk sac tumor. We present a case of pure polyvesicular vitelline tumor in a 43-year-old woman. Light microscopy revealed a predominantly polyvesicular pattern embedded in mesoblastic stroma with the cysts showing two type of lining; tall columnar and cuboidal, or mesothelioid cells. The lining atypical cells showed occasional mitoses and intracytoplasmic PAS positive hyaline globules. In some areas, the cystic space contained a large amount of intraluminal hyaline material. Immunohistochemically, alpha- fetoprotein and alpha-1-antitrypsin were detected as a fine granular deposit in the cytoplasm of epithelial cells and hyaline globules. Electron microscopically, marked specialization of the vesicular lining cells suggested a differentiation toward gut structures and mature yolk sac.
키워드
Ployvesicular vitelline tumor;Yolk sac
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