Eosinophilic pneumonia diagnostic criteria: Difference between revisions
Created page with "{{Eosinophilic pneumonia}} '''Editor(s)-in-Chief:''' C. Michael Gibson, M.S., M.D. [mailto:mgibson@perfuse.org] Phone:617-632-7753; '''Associate Editor(s)-In-Chief:''' [[..." |
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'''Editor(s)-in-Chief:''' [[C. Michael Gibson, M.S., M.D.]] [mailto:mgibson@perfuse.org] Phone:617-632-7753; '''Associate Editor(s)-In-Chief:''' [[Priyamvada Singh|Priyamvada Singh, M.D.]] [mailto:psingh@perfuse.org] | '''Editor(s)-in-Chief:''' [[C. Michael Gibson, M.S., M.D.]] [mailto:mgibson@perfuse.org] Phone:617-632-7753; '''Associate Editor(s)-In-Chief:''' [[Priyamvada Singh|Priyamvada Singh, M.D.]] [mailto:psingh@perfuse.org] | ||
==Overview== | ==Overview== | ||
== Diagnosis == | |||
Eosinophilic pneumonia is diagnosed in one of three circumstances: when a [[complete blood count]] reveals increased eosinophils and a chest [[x-ray]] or [[computed tomography]] (CT) identifies abnormalities in the lung, when a [[biopsy]] identifies increased eosinophils in lung tissue, or when increased eosinophils are found in fluid obtained by a [[bronchoscopy]] (bronchoalveolar lavage (BAL) fluid). Association with medication or cancer is usually apparent after review of a person's medical history. Specific parasitic infections are diagnosed after examining a person's exposure to common parasites and performing laboratory tests to look for likely causes. If no underlying cause is found, a diagnosis of AEP or CEP is made based upon the following criteria. AEP is most likely with respiratory failure after an acute febrile illness of usually less than one week, changes in multiple areas and fluid in the [[pleural cavity|area surrounding the lungs]] on a chest x-ray, and greater than 25% eosinophils on a BAL. Other typical laboratory abnormalities include an elevated [[white blood cell]] count, [[erythrocyte sedimentation rate]], and [[immunoglobulin E]] level. [[spirometry|Pulmonary function testing]] usually reveals a restrictive process with reduced [[diffusion capacity]] for carbon monoxide. CEP is most likely when the symptoms have been present for more than a month. Laboratory tests typical for CEP include increased blood eosinophils, a high erythrocyte sedimentation rate, [[iron deficiency anemia]], and increased [[platelets]]. A chest x-ray can show abnormalities anywhere, but the most specific finding is increased shadow in the periphery of the lung, away from the heart. | |||
==References== | ==References== | ||
Revision as of 15:14, 8 September 2012
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Editor(s)-in-Chief: C. Michael Gibson, M.S., M.D. [1] Phone:617-632-7753; Associate Editor(s)-In-Chief: Priyamvada Singh, M.D. [2]
Overview
Diagnosis
Eosinophilic pneumonia is diagnosed in one of three circumstances: when a complete blood count reveals increased eosinophils and a chest x-ray or computed tomography (CT) identifies abnormalities in the lung, when a biopsy identifies increased eosinophils in lung tissue, or when increased eosinophils are found in fluid obtained by a bronchoscopy (bronchoalveolar lavage (BAL) fluid). Association with medication or cancer is usually apparent after review of a person's medical history. Specific parasitic infections are diagnosed after examining a person's exposure to common parasites and performing laboratory tests to look for likely causes. If no underlying cause is found, a diagnosis of AEP or CEP is made based upon the following criteria. AEP is most likely with respiratory failure after an acute febrile illness of usually less than one week, changes in multiple areas and fluid in the area surrounding the lungs on a chest x-ray, and greater than 25% eosinophils on a BAL. Other typical laboratory abnormalities include an elevated white blood cell count, erythrocyte sedimentation rate, and immunoglobulin E level. Pulmonary function testing usually reveals a restrictive process with reduced diffusion capacity for carbon monoxide. CEP is most likely when the symptoms have been present for more than a month. Laboratory tests typical for CEP include increased blood eosinophils, a high erythrocyte sedimentation rate, iron deficiency anemia, and increased platelets. A chest x-ray can show abnormalities anywhere, but the most specific finding is increased shadow in the periphery of the lung, away from the heart.