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Tropical lung - Coggle Diagram
Tropical lung
Paracoccidiodes
Clinical manifestations
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Superficial lymph node involvement is most common in the cervical, axillary, and inguinal regions
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Diagnosis
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1,3-beta-D-glucan test
It is detected by beta-D-glucan (BDG) assay, a positive test could be consistent with infection.
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Coccidioidomicosis
Clinical manifestations
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At least one-half to two-thirds of all infections are asymptomatic or mild enough not to require clinical evaluation.
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Diagnosis
Diagnosis testing
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Immunodiffusion tests are usually performed to support the diagnosis when an initial EIA is positive.
Primary pulmonary coccidioidomycosis is suspected in patients who have had known or suspected exposure in an endemic area and who present with:
Suspected community-acquired pneumonia (CAP) with continued pulmonary symptoms despite adequate empiric antibacterial therapy.
New onset of arthralgias or diffuse, symmetrical rashes, especially if the findings are compatible with erythema nodosum or erythema multiforme
A respiratory illness of one week or more with an infiltrate on chest radiograph, with upper lobe involvement or hilar or mediastinal adenopathy.
Other findings suggestive of coccidioidomycosis, including night sweats, marked fatigue, or unexplained peripheral blood eosinophilia.
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Histoplasmosis
Microbiology
Pathogen
Histoplasma capsulatum
This pathogen proliferates in soils contaminated with bird or bat droppings, which are believed to alter soil characteristics and increase nitrogen content, favoring sporulation of the organism.
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Diagnosis
The clinical manifestations must be taken into account, as well as other methods such as:
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Antigen detection
By enzyme immunoassay for detection of Histoplasma antigen (EIA) in urine, blood or BAL fluid of infected patients.
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