Endobronchial lipoma

Last revised by Jeffrey Hocking on 4 Dec 2020

Endobronchial lipomas are rare benign lesions arising from the adipose tissue in the submucosal layer of the bronchial wall.

Rare benign tumor with a possible male predilection. 

Presenting symptoms include a cough, sputum, hemoptysis and dyspnea; however, patients may be asymptomatic.

  • fat-density (HU of -40 to -120) lesion with smooth margins located in the bronchus
  • there may be an associated lung collapse or distal airway dilatation, occasionally with infiltration or consolidation

Bronchoscopic resection is typically the first line of treatment for endobronchial lipoma.

An endobronchial hamartoma may appear identical to an endobronchial lipoma on CT.

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