検診により発見された肺原発の血管外皮細胞腫の1例 Primary Pulmonary Hemangiopericytoma Detected on Routine Chest X-ray Examination

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症例は33歳男性. 1988年5月集検で胸部X線上右上肺野に異常陰影を指摘されたため, 他院を受診するも無症状であったため良性腫瘍として経過観察されていた. 1992年12月頃から異常陰影の増大を認めたため1993年5月当院に入院した. 咳嗽, 喀痰などの呼吸器症状はなかったが胸部X線および high-resolution CT (HRCT) で右S<sup>2</sup>bに辺縁は明瞭で, 血管の集束と胸膜の巻き込みがみられず, 軟部組織より低濃度を示す結節状陰影を認めた. 1993年右S<sup>2</sup>区域切除術を施行し, 組織学的, 免疫組織化学的, および電顕所見より血管外皮細胞腫と診断した. 胸腔外の諸臓器の検索を施行したが, 他臓器に腫瘍や転移巣は認めず, 肺原発の血管外皮細胞腫と診断した.

Hemangiopericytoma is a rare tumor originating from pericytes. In May 1983, a 33-year-old man was found to have a well-defined nodular shadow in the right upper lobe during a routine chest X-ray examination. Although the mass had been thought to be benign, in December 1992 it was found to have grown. In May 1993, the patient was reffered to our hospital for furthur examination. A chest X-ray film and a high-resolution CT scan revealed a well-defined nodule in the right upper lung field without vascular gathering or pleural puckering. The tumor was slightly less dense than was soft tissues. There was no evidence suggesting another primary tumor or metastasis. In July 1993, because the mass was suspected to be a love-grade malignant tumor, a segementectolny (rt-S<sub>2</sub>) was done. On the basis of histologic, immunohistchemical and electronmicroscopic findings, pulmonary hemangiopericytoma was diagnosed. The postoperative course was uneventful. The patient has been well for 2 years and five months after the operation, with no sign of recurrence or metastasis.

収録刊行物

  • 日本胸部疾患学会雑誌 = The Japanese journal of thoracic diseases

    日本胸部疾患学会雑誌 = The Japanese journal of thoracic diseases 34(10), 1125-1129, 1996-10-25

    The Japanese Respiratory Society

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各種コード

  • NII論文ID(NAID)
    10008111251
  • NII書誌ID(NCID)
    AN00187758
  • 本文言語コード
    JPN
  • 資料種別
    NOT
  • ISSN
    03011542
  • データ提供元
    CJP書誌  J-STAGE 
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