Histoplasma capsulatum Flashcards
H. Capsulatum
Grows in soil and material contaminated with bar it bird droppings …. Becomes airborne when contaminated soil is disturbed
Histoplasmosis
Histoplasma Capsilatum
Inhalator of airborne spores
Primarily affects lungs
Desalinated histoplasmosis
Histoplasmosis
S/S resemble TB 3-17 days after exposure average 10 dads Acute primary Chronic cavitary Disseminated
Acute histoplasmosis
Pulmonary lesions
Nodules contains aggregated of macrophages with engulfed microorganisms
Mild flu like syndrome
Chronic histoplasmosis
Cavitary lesions upper love
Secondary form of TB
Productive cough fever night Sears weight loss
Histoplasmosis disseminated
Acute and fulminating (suddenly and severely ) very old very young immunocomprimised
Macrophages remove the fungus from blood steam but unable to destroy them FATAL if untreated
Histoplasmosis continued
S/s
High fever Generalized lymph node enlargement Hepatsplenomegaly Muscle wasting Anemia Leukopenia/ thrombocytopenia Hoarseness V/D Abd pain Meningitis lesions resemble squamous cell carcinoma
Diagnosis
Skin test
Tissue section
Sputum culture
Serologic tests