Histoplasma capsulatum


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Histoplasma capsulatum

[‚his·tə′plaz·mə ‚kap·sə′läd·əm]
(mycology)
The parasitic fungus that causes histoplasmosis in humans.
References in periodicals archive ?
Histoplasmosis is a regionally endemic mycosis caused by inhalation of the spores of the fungus Histoplasma capsulatum from the soil, leading occasionally to symptomatic disease and asymptomatic pulmonary nodules (1).
Biopsy of the pinna and oral cavity revealed diffuse, mixed inflammatory infiltrate and numerous epithelioid histiocytes containing small, circular yeast cells compatible with Histoplasma capsulatum (figure 2).
These findings allowed the differentiation of other yeast fungi such as Histoplasma capsulatum and Blastomyces dermatitidis, as well as parasitic infections by Mullerius capillaris and Dictyocaulus filaria (CASWELL & WILLIAMS, 2016).
antigen and antibody tests can aid in diagnosis, although clinicians should be aware that these tests have limited sensitivity and can cross-react with Histoplasma capsulatum and other fungi (4).
(2) However, blood culture in mycobacterial infections was rarely requested before the HIV era, (3) but its use has been boosted by improvements in blood culturemedia, mainly for differential diagnosis with Mycobacterium avium-intracellulare complex or Histoplasma capsulatum. In most geographic regions, lytic blood cultures supporting mycobacteria and fungi growth (i.e., BACTEC Myco-F Lytic or Isolator) are rarely requested for HIV-negative patients suspected of TB.
En el estudio mas reciente, en pacientes hospitalizados en Medellin, Montufar y cols (2) describieron como agente infeccioso mas prevalente al Mycobacterium tuberculosis (38,1 %), seguido por Histoplasma capsulatum (7,9 %) y P.
In our patients 5 had recurrences among whom 2 with infections (Histoplasma capsulatum and Mycoplasma pneumoniae) and one with subsequent diagnosis of JIA who responded to steroid therapy.
Rose, "The second case of peritonitis due to Histoplasma capsulatum during continuous ambulatory peritoneal dialysis in Brazil," Mycoses, vol.
Histoplasma capsulatum mainly infects the lungs and passes asymptomatically to involve the skin and reticuloendothelial system [1].
Although the etiology of FM remains unclear, most cases have been related to immune-mediated hypersensitivity reactions to antigens from the fungus Histoplasma capsulatum, which is endemic to North and Central America [1-3].
Histoplasma capsulatum is an environmental fungus found commonly in the Ohio and Mississippi River valleys in the United States, Central and South America, and Asia [1, 2].