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[Two cases of thymic carcinoid].

Abstract
Two cases of thymic carcinoid tumor were reported. Case 1 was 64-year-old male who was admitted to our hospital with a complaint of dyspnea. He was proved to have a huge anterior mediastinal tumor by chest X-ray and chest CT. After radiation therapy, the tumor was resected on February 5, 1981. Pericardium was partially resected and showed tumor invasion. Sixty-four days after operation, he died due to respiratory insufficiency. Case 2 was 71-year-old male who was pointed out to have an abnormal shadow by X-ray mass screening and was admitted to our hospital. Chest X-ray and chest CT revealed the presence of an anterior mediastinal tumor. Resection of the tumor was done on February 13, 1986. Although the tumor showed mediastinal lymph node metastasis and invaded to the pericardium and the right lung, it was resected completely. Cytological examination of pericardial effusion showed tumor cells at the time of resection. He is now quite well and without any evidence of recurrence 3 year and 1 months after operation. Histopathologically, the tumors of two cases consisted of relatively uniform cells with abundant clear or slightly eosinophilic cytoplasm and regularly and centrally located nuclei. Mitotic figures were occasionally seen in both cases. Many tumor cells were positively to Grimelius stain. On the other hand, Fontana-masson stain was negative. Immunohistochemically, the tumor cells were positively stained with anti-NSE and anti-GRP antibodies in Case 1 and with anti-NSE antibody in Case 2.(ABSTRACT TRUNCATED AT 250 WORDS)
AuthorsH Kaguraoka, H Nishiyama, M Kuroki, K Takahashi, T Kitaya, T Matsuyama, T Kodama, Y Nishiwaki
JournalKyobu geka. The Japanese journal of thoracic surgery (Kyobu Geka) Vol. 42 Issue 5 Pg. 404-8 (May 1989) ISSN: 0021-5252 [Print] Japan
PMID2674509 (Publication Type: Case Reports, English Abstract, Journal Article, Review)
Topics
  • Aged
  • Carcinoid Tumor (pathology, surgery)
  • Humans
  • Lymphatic Metastasis
  • Male
  • Middle Aged
  • Neoplasm Invasiveness
  • Thymus Neoplasms (pathology, surgery)

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