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Endobronchial lipomas are rare benign lesions arising from the adipose tissue in the submucosal layer of the bronchial wall.
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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
Treatment and prognosis
Bronchoscopic resection is typically the first line of treatment for endobronchial lipoma.
An endobronchial hamartoma may appear identical to an endobronchial lipoma on CT.
- 1. Muraoka M, Oka T, Akamine S, Nagayasu T, Iseki M, Suyama N, Ayabe H. Endobronchial lipoma: review of 64 cases reported in Japan. (2003) Chest. 123 (1): 293-6. Pubmed
- 2. Theriault MM, Eddy K, Borgaonkar JN, Babar JL, Manos D. Diseases Involving the Central Bronchi: Multidetector CT for Detection, Characterization, and Differential Diagnosis. (2018) Radiographics : a review publication of the Radiological Society of North America, Inc. 38 (1): 58-59. doi:10.1148/rg.2018170097 - Pubmed