Carcinoid tumors arise from Kulchitsky cells of the bronchial epithelium which are the stem cells having neuroendocrine activity.
60 years of age. A female predominance
attached to the bronchus by a broad base, may have a polypoid appearance.
Necrosis is present, and they tend to be more aggressive.
- single hilar or perihilar mass which is usually well-defined, round or ovoid
- can be of any size but are typically 2-5 cm
- there is often marked homogeneous contrast enhancement due to high vascularity
- calcification (usually eccentric) can occur but is not a common feature
Immunochemistry of atypical carcinoid positive for chromogranin
higher probability to metastasize, to recur, and to have a worse outcome and prognosis.
65 year old female presents with a cough. CT shows a mass (green) in proximal portion of the right lower lobe bronchus with post obstructive atelectasis in the superior segment of the right lower lobe (yellow) pathology revealed carcinoid tumor
Ashley Davidoff MD TheCommonVein.net
75679c02
the 5-year survival ranges from 65% to 75% in
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