Carcinoid Tumor of the Lung

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.

Carcinoid Tumor Causing Post Obstructive Atelectasis
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

the 5-year survival ranges from  65% to 75% in

Links and References