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Dapsone-induced hypersensitivity pneumonitis mimicking Pneumocystis carinii pneumonia in a patient with AIDS. 2004

Melissa J Tobin-D'Angelo, and Maarouf A Hoteit, and Katia V Brown, and Susan M Ray, and Mark D King
Division of Infectious Diseases, Emory University School of Medicine, Atlanta, Georgia, USA.

Interstitial pneumonitis, often related to infectious etiologies, occurs commonly in HIV-infected patients. However, hypersensitivity pneumonitis from noninfectious etiologies, including environmental stimuli or drug exposure, is an unusual etiology of interstitial pneumonitis in HIV-infected patients. We report a patient with AIDS who developed a dapsone-induced hypersensitivity pneumonitis mimicking Pneumocystis carinii (PCP) pneumonia. We believe drug-induced hypersensitivity pneumonitis should be considered in the differential diagnosis of interstitial pneumonia in HIV-infected patients in whom infectious etiologies have been ruled out.

UI MeSH Term Description Entries
D011020 Pneumonia, Pneumocystis A pulmonary disease in humans occurring in immunodeficient or malnourished patients or infants, characterized by DYSPNEA, tachypnea, and HYPOXEMIA. Pneumocystis pneumonia is a frequently seen opportunistic infection in AIDS. It is caused by the fungus PNEUMOCYSTIS JIROVECII. The disease is also found in other MAMMALS where it is caused by related species of Pneumocystis. P carinii Pneumonia,P. carinii Pneumonia,P. jirovecii Pneumonia,PCP Pneumonia,Pneumocystis Pneumonia,Pneumocystosis,Pneumonia, Interstitial Plasma Cell,PCP Infection,Pneumocystis carinii Pneumonia,Pneumocystis jirovecii Pneumonia,Pneumonia, Pneumocystis carinii,Infection, PCP,P carinii Pneumonias,P. carinii Pneumonias,P. jirovecii Pneumonias,PCP Infections,PCP Pneumonias,Pneumocystis Pneumonias,Pneumocystoses,Pneumonia, P carinii,Pneumonia, P. carinii,Pneumonia, P. jirovecii,Pneumonia, PCP,Pneumonia, Pneumocystis jirovecii,Pneumonias, PCP
D003622 Dapsone A sulfone active against a wide range of bacteria but mainly employed for its actions against MYCOBACTERIUM LEPRAE. Its mechanism of action is probably similar to that of the SULFONAMIDES which involves inhibition of folic acid synthesis in susceptible organisms. It is also used with PYRIMETHAMINE in the treatment of malaria. (From Martindale, The Extra Pharmacopoeia, 30th ed, p157-8) Diaminodiphenylsulfone,Sulfonyldianiline,4,4'-Diaminophenyl Sulfone,Avlosulfone,DADPS,Dapsoderm-X,Dapson-Fatol,Diaphenylsulfone,Disulone,Sulfona,4,4' Diaminophenyl Sulfone,Sulfone, 4,4'-Diaminophenyl
D003937 Diagnosis, Differential Determination of which one of two or more diseases or conditions a patient is suffering from by systematically comparing and contrasting results of diagnostic measures. Diagnoses, Differential,Differential Diagnoses,Differential Diagnosis
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000163 Acquired Immunodeficiency Syndrome An acquired defect of cellular immunity associated with infection by the human immunodeficiency virus (HIV), a CD4-positive T-lymphocyte count under 200 cells/microliter or less than 14% of total lymphocytes, and increased susceptibility to opportunistic infections and malignant neoplasms. Clinical manifestations also include emaciation (wasting) and dementia. These elements reflect criteria for AIDS as defined by the CDC in 1993. AIDS,Immunodeficiency Syndrome, Acquired,Immunologic Deficiency Syndrome, Acquired,Acquired Immune Deficiency Syndrome,Acquired Immuno-Deficiency Syndrome,Acquired Immuno Deficiency Syndrome,Acquired Immuno-Deficiency Syndromes,Acquired Immunodeficiency Syndromes,Immuno-Deficiency Syndrome, Acquired,Immuno-Deficiency Syndromes, Acquired,Immunodeficiency Syndromes, Acquired,Syndrome, Acquired Immuno-Deficiency,Syndrome, Acquired Immunodeficiency,Syndromes, Acquired Immuno-Deficiency,Syndromes, Acquired Immunodeficiency
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D000542 Alveolitis, Extrinsic Allergic A common interstitial lung disease caused by hypersensitivity reactions of PULMONARY ALVEOLI after inhalation of and sensitization to environmental antigens of microbial, animal, or chemical sources. The disease is characterized by lymphocytic alveolitis and granulomatous pneumonitis. Allergic Alveolitis, Extrinsic,Hypersensitivity Pneumonitis,Pneumonitis, Hypersensitivity,Allergic Alveolitides, Extrinsic,Alveolitides, Extrinsic Allergic,Extrinsic Allergic Alveolitides,Extrinsic Allergic Alveolitis,Hypersensitivity Pneumonitides,Pneumonitides, Hypersensitivity

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