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pulmonary infiltrate
Infiltrates may be alveolar or interstitial.
Etiology:
1) acute (development in < 24 hours)
a) bacterial pneumonia (C,P)*
b) pulmonary hemorrhage (C)
c) pulmonary embolism (C)
d) pulmonary edema (C,P)
e) leukoagglutinin reaction (P)
f) viral pneumonia (P)
- influenza
- RSV
2) chronic (development over several days-weeks)
a) fungus (C, N)*
b) nocardia (C, N)
c) tumor (C)
d) tuberculosis (C,N)
e) Pneumocystis carinii (C, P, N)
f) viral pneumonia (C, P)
g) radiation (C, P)
h) pharmacologic causes: (P)
- acyclovir
- amiodarone
- azathioprine
- bleomycin
- busulfan
- carmustine (BCNU)
- chlorambucil
- cyclophosphamide
- melphalan
- methotrexate
- methysergide
- mitomycin C
- nitrofurantoin
- procarbazine o- sulfonamides
* C = consolidation; P = perivascular, peribronchial; N = nodular
Specific
pulmonary infiltrate in immunocompromised host
pulmonary infiltrates with eosinophilia (PIE) syndrome
General
sign/symptom
References
- Harrison's Principles of Internal Medicine, 13th ed.
Companion Handbook, Isselbacher et al (eds), McGraw-Hill
Inc. NY, 1995, pg 829-39.
- UpToDate 2003
http://www.uptodate.com