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Lung metastasis from an ovarian granulosa cell tumor 36 years after the initial diagnosis: report of a case.

Summary of "Lung metastasis from an ovarian granulosa cell tumor 36 years after the initial diagnosis: report of a case."

This report presents the case of a late relapse of an ovarian granulosa cell tumor (GCT) that metastasized to the lung 36 years after the initial diagnosis. A 72-year-old female demonstrated multiple nodules with extrapleural signs on chest computed tomography. Positron emission tomography with (18)F-fluorodeoxyglucose ([(18)F]FDG-PET) showed that the nodules had no FDG avidity. The nodules, which appeared as polypoid lesions of the visceral pleura on thoracoscopy, were resected and diagnosed as pulmonary metastases from the GCT. This case report indicates that thorough thoracoscopic exploration of the pleural cavity is essential when intrathoracic nodules are seen on postoperative imaging examinations in GCT patients, even when the [(18)F]FDG-PET results are negative.

Affiliation

Department of General Thoracic Surgery, Nara Hospital, Kinki University School of Medicine, 1248-1 Otoda-cho, Ikoma-shi, Nara, Japan, ruotora99@hotmail.com.

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This article was published in the following journal.

Name: Surgery today
ISSN: 1436-2813
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Medical and Biotech [MESH] Definitions

A neoplasm composed entirely of GRANULOSA CELLS, occurring mostly in the OVARY. In the adult form, it may contain some THECA CELLS. This tumor often produces ESTRADIOL and INHIBIN. The excess estrogen exposure can lead to other malignancies in women and PRECOCIOUS PUBERTY in girls. In rare cases, granulosa cell tumors have been identified in the TESTES.

Neoplasms derived from the primitive sex cord or gonadal stromal cells of the embryonic GONADS. They are classified by their presumed histogenesis and differentiation. From the sex cord, there are SERTOLI CELL TUMOR and GRANULOSA CELL TUMOR; from the gonadal stroma, LEYDIG CELL TUMOR and THECOMA. These tumors may be identified in either the OVARY or the TESTIS.

Supporting cells for the developing female gamete in the OVARY. They are derived from the coelomic epithelial cells of the gonadal ridge. Granulosa cells form a single layer around the OOCYTE in the primordial ovarian follicle and advance to form a multilayered cumulus oophorus surrounding the OVUM in the Graafian follicle. The major functions of granulosa cells include the production of steroids and LH receptors (RECEPTORS, LH).

A malignant tumor arising from secreting cells of a racemose gland, particularly the salivary glands. Racemose (Latin racemosus, full of clusters) refers, as does acinar (Latin acinus, grape), to small saclike dilatations in various glands. Acinar cell carcinomas are usually well differentiated and account for about 13% of the cancers arising in the parotid gland. Lymph node metastasis occurs in about 16% of cases. Local recurrences and distant metastases many years after treatment are common. This tumor appears in all age groups and is most common in women. (Stedman, 25th ed; Holland et al., Cancer Medicine, 3d ed, p1240; from DeVita Jr et al., Cancer: Principles & Practice of Oncology, 3d ed, p575)

A carcinoma discovered by Dr. Margaret R. Lewis of the Wistar Institute in 1951. This tumor originated spontaneously as a carcinoma of the lung of a C57BL mouse. The tumor does not appear to be grossly hemorrhagic and the majority of the tumor tissue is a semifirm homogeneous mass. (From Cancer Chemother Rep 2 1972 Nov;(3)1:325) It is also called 3LL and LLC and is used as a transplantable malignancy.

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