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  • Title: [A case report of mediastinal paraganglioma and a review of the literature in Japan].
    Author: Imaizumi M, Fujita K, Ojika T, Kondo D, Watanabe H, Nishimura M, Abe T, Nagasaka T.
    Journal: Nihon Kyobu Shikkan Gakkai Zasshi; 1991 Oct; 29(10):1287-91. PubMed ID: 1661343.
    Abstract:
    Paraganglioma is a tumor arising from the extra-adrenal paraganglion system and is rarely observed in the mediastinum. The authors experienced a case of nonfunctioning paraganglioma of the upper posterior mediastinum. The patient was a 40-year-old female in whom abnormal shadows were noted in chest X-ray films taken in March, 1989. She was examined at our hospital with a diagnosis of mediastinal tumor in June of the same year. CT of the chest revealed a tumor in the upper posterior mediastinum and it was shown to be hypervascular by a DSA study. Urinary hormone levels were normal. The tumor was resected in May, 1990. The tumor, measuring 6.8 X 4.0 X 3.5 cm, was encapsulated, appeared dark red and had relatively clear borders. A histopathologic diagnosis of paraganglioma was made. The patient remains disease-free at present, 6 months after operation. Problems concerning diagnosis and treatment of mediastinal paraganglioma were evaluated with a review of cases reported in Japan.
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