Presentation
Chronic cough and wheezing with a history of previous right lower lobe atelectasis.
Patient Data
Right hemithorax volume loss with hemidiaphragm elevation secondary to middle and right lower lobe atelectasis.
Partial collapse of the right lower lobe and a well-defined intraluminal hypervascular mass in the intermediate bronchus. No other lesions or enlarged lymph nodes are noted.
Strong 18F-FDG avidity of the bronchial mass. No other significant FDG avidity was noted elsewhere.
Side by side: hypervascular endobronchial lesion with high FDG uptake.
Case Discussion
Macroscopic and microscopic analysis of tissue biopsy showed a well-differentiated neuroendocrine tumor 20 mm in size, located in the bronchus intermedius. No lymphovascular invasion nor metastasic tumor in regional station seven lymph nodes were identified.
Despite the high FDG avidity, the biopsy analysis resulted in a low-grade well-differentiated typical carcinoid tumor, TNM staging (8th edition): pT1b N0.
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