Sarcoidosis CT: Difference between revisions
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==Overview== | |||
In comparison with chest x-ray, [[HRCT]] is more specific and proved useful in the diagnosis of [[sarcoidosis]] and evaluation of complications, such as aspergilloma . Chest CT findings include parenchymal [[perilymphatic]] [[nodules]]. | |||
==[[CT]]== | |||
[[CT]] is useful in diagnosis of [[sarcoidosis]]<ref>Vagal AS, Shipley R, Meyer CA: Radiological manifestations of sarcoidosis. Clinics in dermatology 2007, 25(3):312-325.</ref>. A [[CT]] scoring system for [[sarcoidosis]] has been described and has been suggested to assess severity of disease.Typical [[HRCT]] findings that suggest [[sarcoidosis]] include [[parenchymal nodules]] and opacities that represent conglomerations of these nodules that have a [[perilymphatic]] distribution along the [[bronchovascular bundles]] as well as in subpleural locations<ref>Oberstein A, von Zitzewitz H, Schweden F, Muller-Quernheim J: Non invasive evaluation of the inflammatory activity in sarcoidosis with high-resolution computed tomography. Sarcoidosis, vasculitis, and diffuse lung diseases : official journal of WASOG 1997, 14(1):65-72.</ref><ref>Nishino M, Lee KS, Itoh H, Hatabu H: The spectrum of pulmonary sarcoidosis: variations of high-resolution CT findings and clues for specific diagnosis. European journal of radiology 2010, 73(1):66-73.</ref><ref>Criado E, Sanchez M, Ramirez J, et al: Pulmonary sarcoidosis: typical and atypical manifestations at high-resolution CT with pathologic correlation.</ref>. [[Honeycombing]] in [[HRCT]] is associated with decreased [[DLcO]] and an increased [[A-a PO2 gradient]]<ref>Abehsera M, Valeyre D, Grenier P, Jaillet H, Battesti JP, Brauner MW: Sarcoidosis with pulmonary fibrosis: CT patterns and correlation with pulmonary function. AJR American journal of roentgenology 2000, 174(6):1751-1757.</ref><ref>Naccache JM, Lavole A, Nunes H, Lamberto C, Letoumelin P, Brauner M, Valeyre D, Brillet PY: High-resolution computed tomographic imaging of airways in sarcoidosis patients with airflow obstruction. Journal of computer assisted tomography 2008, 32(6):905-912.</ref>. | |||
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[[image:Sarcoidosis CT scan.jpg|Sarcoidosis bilateral peribronchial lymphadenopathy adapted from www.radiopaedia.org|thumb|250px|left]] | |||
[[Image:Complicated-sarcoid-004.jpg|Complicated sarcoidosis adapted from www.radiopaedia.org|thumb|250px|left]] | |||
[[Image:Complicated-sarcoid-005.jpg|Complicated sarcoidosis adapted from www.radiopaedia.org|thumb|250px|left]] | |||
==References== | ==References== | ||
{{Reflist|2}} | |||
[[Category:Pulmonology]] | [[Category:Pulmonology]] | ||
[[Category:Rheumatology]] | [[Category:Rheumatology]] | ||
{{WH}} | {{WH}} | ||
{{WS}} | {{WS}} | ||
Latest revision as of 13:23, 6 May 2018
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American Roentgen Ray Society Images of Sarcoidosis CT |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Roshan Dinparasti Saleh
Overview
In comparison with chest x-ray, HRCT is more specific and proved useful in the diagnosis of sarcoidosis and evaluation of complications, such as aspergilloma . Chest CT findings include parenchymal perilymphatic nodules.
CT
CT is useful in diagnosis of sarcoidosis[1]. A CT scoring system for sarcoidosis has been described and has been suggested to assess severity of disease.Typical HRCT findings that suggest sarcoidosis include parenchymal nodules and opacities that represent conglomerations of these nodules that have a perilymphatic distribution along the bronchovascular bundles as well as in subpleural locations[2][3][4]. Honeycombing in HRCT is associated with decreased DLcO and an increased A-a PO2 gradient[5][6]. .
References
- ↑ Vagal AS, Shipley R, Meyer CA: Radiological manifestations of sarcoidosis. Clinics in dermatology 2007, 25(3):312-325.
- ↑ Oberstein A, von Zitzewitz H, Schweden F, Muller-Quernheim J: Non invasive evaluation of the inflammatory activity in sarcoidosis with high-resolution computed tomography. Sarcoidosis, vasculitis, and diffuse lung diseases : official journal of WASOG 1997, 14(1):65-72.
- ↑ Nishino M, Lee KS, Itoh H, Hatabu H: The spectrum of pulmonary sarcoidosis: variations of high-resolution CT findings and clues for specific diagnosis. European journal of radiology 2010, 73(1):66-73.
- ↑ Criado E, Sanchez M, Ramirez J, et al: Pulmonary sarcoidosis: typical and atypical manifestations at high-resolution CT with pathologic correlation.
- ↑ Abehsera M, Valeyre D, Grenier P, Jaillet H, Battesti JP, Brauner MW: Sarcoidosis with pulmonary fibrosis: CT patterns and correlation with pulmonary function. AJR American journal of roentgenology 2000, 174(6):1751-1757.
- ↑ Naccache JM, Lavole A, Nunes H, Lamberto C, Letoumelin P, Brauner M, Valeyre D, Brillet PY: High-resolution computed tomographic imaging of airways in sarcoidosis patients with airflow obstruction. Journal of computer assisted tomography 2008, 32(6):905-912.