Health Dictionary
Reliable, easy-to-read patient information on common medical conditions — written in plain language, free of jargon, and grounded in current evidence. Browse the most frequent diagnoses, understand what they mean for everyday life, and learn which steps and questions help you have a focused conversation with your doctor.
Carcinoid syndrome chest x ray
Introduction
Overview
Overview
On chest x-ray, bronchial carcinoid tumor is characterized by the presence of round or oval opacities with sharp and notched margins, whereas thymic carcinoid tumor often demonstrates focal areas of necrosis or punctate calcifications.
Chest Xray
Chest Xray
Bronchial Carcinoid Tumor
- X-ray features of bronchial carcinoid tumor are often nonspecific.
- On chest x-ray, bronchial carcinoid tumor is characterized by round or oval opacities from 2-5cm with sharp and notched margins.[1][2]
- Associated hilar or perihilar mass maybe present.
- Associated airway compression with pulmonary atelectasis may be also seen in some cases.[3]
- Pleural effusions are unusual but can occur with post-obstructive pneumonia.
- Approximately one-fourth of cases present in the periphery as an asymptomatic solitary pulmonary nodule.
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Thymic Carcinoid Tumor
- Thymic carcinoid tumor typically manifests as large masses with a propensity for local invasion.
- On chest x-ray, thymic carcinoid tumor is characterized by focal areas of necrosis or punctate calcifications.[4]
References
References
- ↑ Nessi R, Basso Ricci P, Basso Ricci S, Bosco M, Blanc M, Uslenghi C (April 1991). “Bronchial carcinoid tumors: radiologic observations in 49 cases”. J Thorac Imaging. 6 (2): 47–53. PMID 1649924.
- ↑ Jeung MY, Gasser B, Gangi A, Charneau D, Ducroq X, Kessler R, Quoix E, Roy C (2002). “Bronchial carcinoid tumors of the thorax: spectrum of radiologic findings”. Radiographics. 22 (2): 351–65. doi:10.1148/radiographics.22.2.g02mr01351. PMID 11896225.
- ↑ Radiographic features. Radiopaedia. http://radiopaedia.org/articles/bronchial-carcinoid-tumour Accessed on September 24, 2015
- ↑ Thymic carcinoid tumour. Radiopaedia. http://radiopaedia.org/articles/thymic-carcinoid-tumour
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]Associate Editor(s)-in-Chief: Parminder Dhingra, M.D. [2]