IDSA Fellows Day 2011 PowerPoint Case Report Example
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Transcript of IDSA Fellows Day 2011 PowerPoint Case Report Example
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Case
Presented by:
Marie A. de Perio, M.D.IDSA 2007
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HPI: 40 yo M from Central America presented with a 2 month history of hemoptysis. He reported red blood mixed with yellow sputum. Also noted dyspnea on exertion and diffuse pleuritic chest pain. He complained of night sweats, decreased appetite and weight loss.
Denied fevers or chills. Denied any other sites of bleeding. Denied sick contacts, including anyone with tuberculosis.
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PMH: None Meds: None
SH: Immigrated to the U.S. from Central America 2 years ago. Remote history of smoking. Denied drug of alcohol use.
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PE: T: 99.8°F, BP: 120/52, HR: 62, RR: 18, O2 saturation: 90% on 2L. Pleasant, cachectic male, no distress. HEENT: within normal limits, no oral lesions.Chest: Crackles at left base. Remainder of exam normal.
Studies: WBC 14.6 (80%P). Hb 12.6. Platelets 502. Chemistries & LFTs: normal. Sputum gram stain: many PMN & mononuclear cells, no organisms. Sputum AFB smear negative x 3HIV ELISA: negative
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Chest imaging
Multiple scattered nodular opacities w/ cavitary lesionsExtensive mediastinal and hilar LADIrregular foci of airspace disease, especially in BLL
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Diagnostic testing• Patient underwent bronchoscopy with BAL
and biopsy. Stains from tissue revealed:
Lung, GMS stain, 40X (Courtesy of Judith Rhodes, PhD)
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Differential Diagnosis
1. Histoplasma capsulatum2. Blastomyces dermatidis3. Cryptococcus neoformans4. Paracoccidioides brasiliensis5. Pneumocystis jiroveci
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Diagnosis and Follow-up
• Biopsy revealed acute and chronic inflammation, with poorly-formed granulomas. AFB stain negative. Fungal organisms were seen that were morphologically consistent with Paracoccidioides.
• 6 weeks later, the fungal culture grew Paracoccidioides brasiliensis.
• He was treated with oral itraconazole, with clinical improvement: the hemoptysis and dyspnea resolved, his appetite improved and he went back to work.
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Paracoccidioides brasiliensis
• Dimorphic fungus • Multiple sporulation of small buddings
covering whole surface of the mother cell
• Steering wheel appearance=PATHOGNOMONIC
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Paracoccidioidomycosis
• Endemic in Latin America, between Mexico 20ºN and Argentina 35ºS
• Most published cases from Brazil, Venezuela, Colombia
• Not described in the Caribbean or Chile
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• Adult, chronic progressive form• Reactivation of quiescent lung lesions• Fever is rare• Symptoms include: weight loss, malaise,
cough, eventually hemoptysis• May be misdiagnosed as TB (which can
coexist)
Paracoccidioidomycosis: Clinical aspects
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• Adult disseminated form• Multifocal dissemination to skin, oral mucosa,
tongue, palate, vocal cords• Skin lesions (25%): hyperkeratotic plaques or
ulcerative crusted lesions• Cervical, axillary, mediastinal lymphadenopathy• Adrenal insufficiency (15%)• Can also involve spleen, liver, male GU tract,
vascular system
Paracoccidioidomycosis: Clinical aspects(Continued)
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• Visualization by direct microscopy (GMS, H&E stains)
• Isolation in culture can take >1 month
• Must be handled inside biohazard safety hood
Lung, H&E stain, 40X(Courtesy of Judith Rhodes, PhD)
Paracoccidioidomycosis: Diagnosis
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Paracoccidioidomycosis of the lungFinal Diagnosis
Contributor:Marie A. de Perio, M.D.
Judith Rhodes, PhDUniv. of Cincinnati Medical Center,
Cincinnati, Ohio