J Korean Cancer Assoc.  1999 Aug;31(4):855-860.

Primary Trabecular Carcinoid of the Ovary

Affiliations
  • 1Department of Pathology, Chonbuk National University Medical School, Korea.
  • 2Institute for Medical Science, Chonju, Korea.

Abstract

Primary trabecular carcinoid of the ovary is very rare and less than 30 cases have been reported. Herein is reported a primary trabecular carcinoid of the ovary which contained an epidermoid cyst in a 80-year-old woman. Gross examination showed 12 x 11 x 7 cm- sized mass in the right ovary. On cut-surface, the mass was composed of multilocular cyst containing serous and keratinized material and of 5 x 3.5 cm-sized solid area with extensive necrosis and hemorrhage. Microscopic examination revealed that the tumor cells are almost arranged in trabeculae and focally in insular pattern. Also, the tumor contained an epidermoid cyst but not other teratomatous elements. Tumor cells were immunoreactive for cytokeratin, neuron specific enolase (NSE) and chromogranin. Electron microscopic tindings revealed characteristic, round-shaped neurosecretory granules and perinuclear microfilaments.

Keyword

Trabecular carcinoid; Ovary; Epidermoid cyst

MeSH Terms

Actin Cytoskeleton
Aged, 80 and over
Carcinoid Tumor*
Epidermal Cyst
Female
Hemorrhage
Humans
Keratins
Necrosis
Ovary*
Phosphopyruvate Hydratase
Keratins
Phosphopyruvate Hydratase
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