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  • Title: Ovarian neuroendocrine carcinoma, non-small cell type, associated with serous carcinoma.
    Author: Choi YD, Lee JS, Choi C, Park CS, Nam JH.
    Journal: Gynecol Oncol; 2007 Mar; 104(3):747-52. PubMed ID: 17229461.
    Abstract:
    BACKGROUND: Neuroendocrine carcinoma of the non-small cell type of the ovary is a rare aggressive tumor, interestingly associated with either a surface epithelial tumor or teratoma. CASE: A 71-year-old woman presented with a pelvic mass and underwent a total abdominal hysterectomy with a bilateral salpingo-oophorectomy. Pathology examination showed a 6.5 cm in greatest dimension ovarian tumor composed of neuroendocrine carcinoma of the non-small cell type and serous carcinoma. Immunohistochemical studies including keratin 7, WT-1, and neuroendocrine markers demonstrated differences in the two components. Microsatellite instability (MSI) analysis using five polymorphic markers also showed a different pattern in the two components. CONCLUSION: This is the first report of an ovarian neuroendocrine carcinoma, non-small cell type, associated with a serous carcinoma. Immunohistochemistry and MSI are very helpful in making a definite diagnosis.
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