Neuroendocrme lesions of lung are-
Correct Answer: Carcinoid
Description: Ref:Textbook of pathology (Harsh mohan) 6th edition,page no.503 BRONCHIAL CARCINOID ANDOTHER NEUROENDOCRINE TUMOURSNeuroendocrine tumours of the lung represent a continuum spectrum of lung tumours with progressively increasingaggressiveness which include: typical carcinoid (least aggressive), atypical carcinoid, and large cell endocrinecarcinoma, and also small cell carcinoma (most aggressive). All these tumours arise from neuroendocrine (Kulchitsky)cells of bronchial mucosa. Formerly, bronchial carcinoids used to be classified as 'bronchial adenomas' but now it isknown that they are locally invasive and have the capacity to metastasise. Bronchial carcinoids tend to occur at ayounger age than bronchogenic carcinoma, often appearing below the age of 40 years, and are not related to cigarettesmoking. CLINICAL FEATURES. Bronchial carcinoids occur at a relatively early age and have equal sex incidence. Most ofthe symptoms in bronchial carcinoids occur as a result of bronchial obstruction such as cough, haemoptysis, atelectasisand secondary infection. About 5-10% of bronchial carcinoids metastasise to the liver and these cases are capable ofproducing carcinoid syndrome
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