A Case of Endobronchial Solitary Extramedullary Plasmacytoma Diagnosed by Bronchoscopic Resection Using a High-frequency Electrosurgical Snare

DOI
  • Fujita Takuya
    Division of General Thoracic Surgery, Kohka Public Hospital
  • Namura Yuki
    Division of General Thoracic Surgery, Kohka Public Hospital
  • Hanaoka Jun
    Department of Thoracic Surgery, National University Corporation, Shiga University of Medical Science

Bibliographic Information

Other Title
  • 高周波スネアによる気管支鏡下切除で診断した孤立性髄外性形質細胞腫の1例

Search this article

Description

<p>Background. Solitary extramedullary plasmacytoma of bronchiolar origin is rare. We herein report a case of solitary extramedullary plasmacytoma of bronchiolar origin diagnosed by bronchoscopic resection using a high-frequency electrosurgical snare. Case. A 60-year-old man with a slight fever and cough was diagnosed with a left pulmonary hilar mass and obstructive pneumonia on chest computed tomography. Bronchoscopy revealed a red tumor 10 mm in diameter protruding from the left lower lobe bronchus. A portion of the tumor was biopsied using biopsy forceps, but a definitive diagnosis could not be made. The majority of the tumor was excised using a high-frequency electrosurgical snare under general anesthesia and submitted for a pathological examination. The tumor showed infiltration of multinucleated foreign body giant cells and plasma cells with prominent nucleoli in acidic amyloid deposits. The infiltrated plasma cells were κ-chain-positive and λ-chain-negative. A solitary extramedullary plasmacytoma was diagnosed, because no lesions in other organs were identified. Local radiotherapy was performed and the tumor disappeared. Conclusion. An endoscopic diagnosis using a high-frequency electrosurgical snare should be considered for endobronchial tumors of unknown origin, considering the possibility of this pathology.</p>

Journal

Keywords

Details 詳細情報について

Report a problem

Back to top