The adenomatoid tumor is rare benign neoplasm in genital tract which is involving both
sexs. In male patient the tumors are frequently found in epididymis and tunica vaginalis,
while in female patients they are usually located in the fallopian tube but may also be
found in the uterus and ovary. Grossly, they are well circumscribed without
encapsulation, firm, with whitish-yellow cut surface which is moist and glistening.
Microscopically, the tumor is composed of abundant cystic spaces or lymphatic channels
including some unclearly defined acinar or glandular structure lined by cells, designated
by various authors as endothelial, mesothelial, or epithelial like cells within fibrous
background. Only a few cases of adenomatoid tumor have been reported in Korea. As
we experienced a case of adenomatoid tumor in epididymis and a brief review of
adenomatoid tumor was also made.
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