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Related Experiment Videos

Bronchial oncocytoma.

R T de Aquino1, M E Magliari, R Saad

  • 1Department of Medicine, Faculty of Medicine, Santa Casa de Misericórdia de São Paulo, São Paulo, Brazil. renata_aquino@hotmail.com

Sao Paulo Medical Journal = Revista Paulista De Medicina
|December 20, 2000
PubMed
Summary

This case report details a rare bronchial oncocytoma in a 35-year-old male. Surgical removal resulted in an uneventful three-year follow-up, highlighting successful treatment for this uncommon tumor.

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Area of Science:

  • Pulmonology
  • Oncology
  • Pathology

Background:

  • Oncocytomas are typically benign, slow-growing tumors, often discovered incidentally.
  • Bronchial oncocytomas, particularly those arising from mucous glands, are exceptionally rare.
  • These tumors are more frequently observed in male patients.

Observation:

  • A 35-year-old male patient presented with a bronchial oncocytoma.
  • The tumor was identified during a bronchoscopy performed for left upper lobe atelectasis.
  • Histological analysis confirmed a neoplasm composed of oncocyte-like cells with abundant mitochondria.

Findings:

  • Microscopic examination revealed ovoid cells with granular, eosinophilic cytoplasm and small nuclei.
  • Electron microscopy demonstrated significant mitochondrial hyperplasia, a characteristic feature of oncocytes.

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  • Surgical resection via thoracotomy and lobectomy was performed to remove the bronchial tumor.

    • Implications:

    • This case contributes to the limited literature on bronchial oncocytomas.
    • Successful surgical management and follow-up suggest a favorable prognosis for resectable bronchial oncocytomas.
    • Further research into the pathogenesis and optimal management of these rare tumors is warranted.