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CC BY-NC-ND 4.0 · Indian J Radiol Imaging 2017; 27(04): 369-379
DOI: 10.4103/ijri.IJRI_200_17
Thoracic/ Cardiac

Dilemma of diagnosing thoracic sarcoidosis in tuberculosis endemic regions: An imaging-based approach. Part 1

Ashu S Bhalla
Department of Radiodiagnosis, All India Institute of Medical Sciences, New Delhi, India
,
A Das
Department of Radiodiagnosis, All India Institute of Medical Sciences, New Delhi, India
,
P Naranje
Department of Radiodiagnosis, All India Institute of Medical Sciences, New Delhi, India
,
A Goyal
Department of Radiodiagnosis, All India Institute of Medical Sciences, New Delhi, India
,
R Guleria
Department of Pulmonary Medicine and Sleep Disorders, All India Institute of Medical Sciences, New Delhi, India
,
Gopi C Khilnani
Department of Pulmonary Medicine and Sleep Disorders, All India Institute of Medical Sciences, New Delhi, India
› Author Affiliations Financial support and sponsorship Nil.
› Further Information
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Abstract

Sarcoidosis is a multi-systemic disorder of unknown etiology, although commonly believed to be immune-mediated. Histologically, it is characterized by noncaseating granuloma which contrasts against the caseating granuloma seen in tuberculosis (TB), an infectious disease that closely mimics sarcoidosis, both clinically as well as radiologically. In TB-endemic regions, the overlapping clinico-radiological manifestations create significant diagnostic dilemma, especially since the management options are markedly different in the two entities. Part 1 of this review aims to summarize the clinical, laboratory, and imaging features of sarcoidosis, encompassing both typical and atypical manifestations, in an attempt to distinguish between the two disease entities.

Keywords

Cough - interstitial - lung diseases - lymphadenopathy - sarcoidosis - tuberculosis


Publication History

Article published online:
27 July 2021

© 2017. Indian Radiological Association. This is an open access article published by Thieme under the terms of the Creative Commons Attribution-NonDerivative-NonCommercial-License, permitting copying and reproduction so long as the original work is given appropriate credit. Contents may not be used for commercial purposes, or adapted, remixed, transformed or built upon. (https://creativecommons.org/licenses/by-nc-nd/4.0/).

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