Clinical Characteristics of Pulmonry Hamartoma Resected Surgically as Undiagnosed Pulmonary Nodule

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  • SHINOHARA Shinji
    Second Department of Surgery, School of Medicine, University of Occupational and Environmental Health
  • HANAGIRI Takeshi
    Second Department of Surgery, School of Medicine, University of Occupational and Environmental Health
  • KUWATA Taiji
    Second Department of Surgery, School of Medicine, University of Occupational and Environmental Health
  • TAKENAKA Masaru
    Second Department of Surgery, School of Medicine, University of Occupational and Environmental Health
  • OKA Soichi
    Second Department of Surgery, School of Medicine, University of Occupational and Environmental Health
  • CHIKAISHI Yasuhiro
    Second Department of Surgery, School of Medicine, University of Occupational and Environmental Health
  • NAGATA Yoshika
    Second Department of Surgery, School of Medicine, University of Occupational and Environmental Health
  • SHIMOKAWA Hidehiko
    Second Department of Surgery, School of Medicine, University of Occupational and Environmental Health
  • SHIGEMATSU Yoshiaki
    Second Department of Surgery, School of Medicine, University of Occupational and Environmental Health
  • NAKAGAWA Makoto
    Second Department of Surgery, School of Medicine, University of Occupational and Environmental Health
  • URAMOTO Hidetaka
    Second Department of Surgery, School of Medicine, University of Occupational and Environmental Health
  • SO Tomoko
    Second Department of Surgery, School of Medicine, University of Occupational and Environmental Health
  • TANAKA Fumihiro
    Second Department of Surgery, School of Medicine, University of Occupational and Environmental Health

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Other Title
  • 未診断肺腫瘤として外科切除を施行した肺過誤腫症例の検討
  • ミシンダン ハイ シュリュウ ト シテ ゲカ セツジョ オ シコウ シタ ハイ カゴ シュ ショウレイ ノ ケントウ

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Abstract

Pulmonary hamartoma is the most common tumor in benign lung neoplasm. We reviewed the clinical characteristics of 9 patients who had undergone surgical resection for pulmonary hamartoma between 2000 and 2009. There were 1 male and 8 female patients. The age of the patients ranged from 42 to 77 years old (mean 59). Calcification was not observed by computed tomography scan except in 1 patient. Although transbronchial lung biopsy (TBLB) was performed in 5 patients, no definitive diagnosis was obtained. Six patients underwent 18F- fluorodeoxyglucose (FDG) - positron emission tomography, and none of them showed any accumulation of FDG except for 1 patient. Concerning the operative procedures, a sleeve lobectomy was performed in 1 patient, a segmentectomy in 1, a lobectomy in 2, a partial resection of the lung in 3, and a nucleation in 2 patients. The postoperative courses were uneventful, and no findings of recurrence were observed in any of the patients after surgery. As a preoperative diagnosis of pulmonary hamartoma is often difficult in TBLB, it is necessary to perform surgical resection in the differential diagnosis of lung cancer or metastatic lung tumor, unless there are typical findings of pulmonary hamartoma in clinical imaging.

Journal

  • Journal of UOEH

    Journal of UOEH 34 (1), 41-46, 2012

    The University of Occupational and Environmental Health, Japan

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