which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Appendiceal diverticulosis is a rare condition. Herein reported is a case of appendiceal diverticulosis and divertic…
The author investigated histopathology of 1,438 consecutive rectal specimens in the last 10 years of our pathology laboratory in Japan. A computer review of pathologic reports was done. Observations of pathologic slides were performed, when…
Pseudomyxoma (PM) implies an accumulation of a large amount of mucins which show myxomatous appearances. PM Peritonei (PMP) is famous and the only example of PM. PMP means excessive accumulation of mucins and mucin-secreting cells in the pe…
Ovarian endometriosis can transform into malignant tumors, and ovarian carcinomas relatively frequently contain foci of endometriosis. In this study, the author reviewed 15 cases of endometrioid adenocarcinoma of the ovary in the last 15 ye…
Ovarian endometriosis can transform into malignant tumors. The author retrospectively examined HE slides of 112 serous tumors and 75 mucinous tumors for the existence of ovarian endometriosis. When endometriosis is present within the tumors…
The author investigated histopathology of 615 consecutive duodenal specimens in our pathology laboratory. Computer search of the duodenal lesions was performed. Review of histological slides was done, when appropriate. The duodenal specimen…
INTRODUCTION: Studies of clear cell adenocarcinoma of the ovary (CCAO) arising from endometriosis are scant. MATERIALS AND METHODS: The author reviewed 13 cases CCAO of our pathology laboratory for the presence of endometriosis within the …
The author reports two cases of adenosquamous carcinoma arising from endometriosis of ovaries. The tumor patients were 38-year-old and 53-year-old women. Both patients underwent hysterectomy and bilateral salpingo-oophorectomy for ovarian c…
Endometriosis of the vermiform appendix is a rare condition. Most patients with this disease are asymptomatic or present as acute or chronic appendicitis. The author herein reports a case of appendiceal endometriosis presenting as a tumor a…