Legionellosis differential diagnosis: Difference between revisions

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Revision as of 01:55, 6 August 2015

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Differentiating Legionellosis from other Diseases

Legionnaires' disease should be differentiated from the following diseases:

References

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 * [[Viral pneumonia]]
 * [[Q fever]]
-==Differentiating Legionellosis from other Diseases==
-Radiologically, Legionella pneumonia may resemble bacterial community-acquired pneumonia and certain zoonotic atypical pathogens, particularly Coxiella burnetii, Chlamydophila psittaci, and adenovirus. On chest radiograph, Legionella pneumonia often manifests as patchy or fluffy alveolar infiltrates central or peripheral in location that progresses to involve adjacent lobes and the contralateral side, without cavitation or hilar adenopathy.<ref>{{Cite journal| doi = 10.1016/j.idc.2009.10.014| issn = 1557-9824| volume = 24| issue = 1| pages = 73–105| last = Cunha| first = Burke A.| title = Legionnaires' disease: clinical differentiation from typical and other atypical pneumonias| journal = Infectious Disease Clinics of North America| date = 2010-03| pmid = 20171547}}</ref>
-===Mycoplasma pneumoniae===
-The distinctive features that serve to differentiate Legionnaires' disease from M. pneumoniae include relative bradycardia, mildly elevated transaminase levels, transient hypophosphatemia, increased ferritin levels, and microscopic hematuria.
-===Q fever===
-Q fever usually follows a subacute course, as with most cases of Legionnaires' disease. Relative bradycardia and other extra pulmonary symptoms in Q fever may overlap with Legionnaires' disease. The distinctive finding in Q fever is the presence of splenomegaly.
-===Adenovirus===
-Adenoviral pneumonia often presents with focal infiltratea mimicking Legionnaires' disease, Q fever, psittacosis, or typical bacterial CAPs.  As with Legionnaires' disease, adenoviral CAP may be accompanied by a mild increase of transaminase and CPK levels. However, relative bradycardia, increased ferritin levels, hypophosphatemia, and microscopic hematuria are not commonly observed adenoviral CAP.
 ==References==

Legionellosis differential diagnosis: Difference between revisions

Revision as of 01:55, 6 August 2015

Differentiating Legionellosis from other Diseases

References

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