Prognostic significance of the presence of epithelial cell clusters in the ascites of patients with pseudomyxoma peritonei.

Background: Pseudomyxoma peritonei (PMP) is a rare condition characterized by intraperitoneal accumulation of mucus due to mucinous neoplasia. The characteristic cytological feature of PMP in the ascites is abundant mucus with or without epithelial cell clusters. However, the prognostic significance of the presence of epithelial cell clusters has not been determined.

Adenocarcinoma in situ admixed with small cell neuroendocrine carcinoma of the cervix: A case report with cytological features.

Primary cervical small cell neuroendocrine carcinoma (SCNEC) is a rare and aggressive tumor. Herein, we describe the first cytological case of adenocarcinoma in situ (AIS) admixed with SCNEC. A 65-year-old postmenopausal Japanese female presented with abnormal genital bleeding.

Thyrolipomatosis: A case report with review of the literature.

Fatty tissue is not usually present within the thyroid gland. Only a few fat-containing thyroid lesions have been reported to date, and thyrolipoma is the most common fat-containing lesion of the thyroid gland. Thyrolipomatosis is a condition characterized by diffuse mature adipose cell infiltration of the normal thyroid gland.

Cytoreductive Surgery Plus Hyperthermic Intraperitoneal Chemotherapy for Pseudomyxoma Peritonei Arising from Urachus.

Background: Pseudomyxoma peritonei (PMP) is a rare locoregional disease characterized by disseminated intraperitoneal mucinous tumors. However, little is known about PMP from urachal neoplasm as a result of its rarity.

Methods: A total of 9 patients with PMP of urachal origin were treated by cytoreductive surgery (CRS) plus hyperthermic intraperitoneal chemotherapy (HIPEC) in our institution.