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examination of histoplasmosis and diagnosis of histoplasmosis

examination of histoplasmosis and diagnosis of histoplasmosis


Common examination of Du Bo's histoplasmosis

Check nameInspection siteInspection departmentCheck function
Bile bacteriolysis testOthersDepartment of Digestive Health CareBile bacteriolytic test...
Fungal cultureWhole bodyDepartment of Dermatology and Health CareFungal culture examination...
Bacteriological examinationWhole bodyDepartment of Skin CareBacteriological test for...
Bacteriological examination of blood and bone marrow specimensBlood vesselDepartment of Blood Health CareBlood and bone marrow labels...
Isolation and Identification of FungiOthersDepartment of Skin CareIsolation of fungi and...
Fungal examinationOthersDepartment of Skin CareFungi test is through...
Examination of antigen and antibody of Mycobacterium tuberculosisLungDepartment of Respiratory Health CareThe resistance of Mycobacterium tuberculosis to...
Direct microscopic examination: When taking skin lesions, pus, bone lesions, sinuses or biopsy materials, many bacteria can often be found. Fungal culture: cultured on sandcastle agar containing antibiotics at 25 ℃, it grows slowly, sometimes it takes 4 ~ 6 weeks to start growing, and gradually forms white to brown villous colonies, like Histoplasma capsulatum. Microscopic examination can also see small conidia and large conidia with spines. Biochemical reaction: This bacterium urea test negative, within 24 ~ 96 hours can liquefy gelatin, but capsular histoplasmosis is not.

Histopathology: There are often piles of giant cells, up to 200 μ m or larger, containing many oval yeast cells with a diameter of about 12 ~ 15 μ m, sometimes 4 ~ 5 yeast cells in chain shape, such as dermatitis blastomycosis yeast cells, but without wide bud neck, and other inflammatory cells such as neutrophils can also be seen. Extracellular denatured yeast with small granules or large spherical vacuoles can be seen by HE staining, and GMS, GF and PAS staining are more clear. There are fewer bacteria in healing fibrotic damage.

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