대한흉부영상의학회 Korean Society of Thoracic Radiology

Discussion

Diagnosis With Brief Discussion

Chief Complaint

abnormal finding on chest X-ray

Definitive Diagnosis

Carcinoid tumor

Reviewy

A rare group of well-differentiated lung neuroendocrine tumors (NETs)
Typical (90%)
well-differentiated, low-grade, slowly growing neoplasm
Atypical (10%)
intermediate grade and differentiation

Imaging feature
Smooth or lobulated contour
Densely enhancement
Presence of calcification (1/4 ~1/3)
Subsegmental bronchus involvement
Distal hyperlucency, bronchiectasis, or atelectasis

Keywords