Carcinoid tumourlets associated with diffuse bronchiectasis and intralobar sequestration

Innumerable carcinoid tumourlets may develop within pulmonary lobes should there be scarring from intralobar sequestration; these tumourlets may, in turn, be the cause of chronic lung disease. This report documents the incidental detection of multifocal carcinoid tumourlets in the lung of a 65-year-...

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Veröffentlicht in:The journal of the Royal Society for the Promotion of Health 2000-09, Vol.120 (3), p.192-195
Hauptverfasser: Dewan, M, Malatani, T S, Osinowo, O, al-Nour, M, Zahrani, M E
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container_title The journal of the Royal Society for the Promotion of Health
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creator Dewan, M
Malatani, T S
Osinowo, O
al-Nour, M
Zahrani, M E
description Innumerable carcinoid tumourlets may develop within pulmonary lobes should there be scarring from intralobar sequestration; these tumourlets may, in turn, be the cause of chronic lung disease. This report documents the incidental detection of multifocal carcinoid tumourlets in the lung of a 65-year-old man who had repeated episodes of lung infection, progressive dyspnea and haemoptysis; he lived at high altitude. The left lower lobe of the lung was resected surgically, during which procedure an aberrant systemic arterial supply was noticed. The patient had diffuse bronchiectasis and intralobar sequestration. The latter implies the development of abnormal lung tissue located within lobar tissue--but which does not communicate with the bronchial tree; it is supplied with arterial blood from a branch of the aorta--arising either above or below the diaphragm. There was loss of demarcation between the sequestered lung and the surrounding lower lobe lung parenchyma. The proliferation of pulmonary neuroendocrine cells in the form of tumourlets, had probably occurred as an adaptive response to the chronic hypoxia experienced. The combination of intralobar sequestration, bronchiectasis and carcinoid tumourlets, although uncommon, may arise when intralobar sequestration of the lung has not been resected at an incipient stage.
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This report documents the incidental detection of multifocal carcinoid tumourlets in the lung of a 65-year-old man who had repeated episodes of lung infection, progressive dyspnea and haemoptysis; he lived at high altitude. The left lower lobe of the lung was resected surgically, during which procedure an aberrant systemic arterial supply was noticed. The patient had diffuse bronchiectasis and intralobar sequestration. The latter implies the development of abnormal lung tissue located within lobar tissue--but which does not communicate with the bronchial tree; it is supplied with arterial blood from a branch of the aorta--arising either above or below the diaphragm. There was loss of demarcation between the sequestered lung and the surrounding lower lobe lung parenchyma. The proliferation of pulmonary neuroendocrine cells in the form of tumourlets, had probably occurred as an adaptive response to the chronic hypoxia experienced. 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subjects Aged
Altitude
Bronchiectasis - complications
Bronchopulmonary Sequestration - complications
Carcinoid Tumor - complications
Carcinoid Tumor - pathology
Carcinoid Tumor - surgery
Humans
Lung Neoplasms - complications
Lung Neoplasms - pathology
Lung Neoplasms - surgery
Male
Neuroendocrine Tumors - complications
Neuroendocrine Tumors - pathology
Saudi Arabia
Treatment Outcome
title Carcinoid tumourlets associated with diffuse bronchiectasis and intralobar sequestration
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