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Histoplasmosis is a fungal infection caused by Histoplasma capsulatum. [ 2 ] [ 3 ] Symptoms of this infection vary greatly, but the disease affects primarily the lungs . [ 4 ] Occasionally, other organs are affected; called disseminated histoplasmosis, it can be fatal if left untreated.
Histoplasmosis can be diagnosed by samples containing the fungus taken from sputum (via bronchoalveolar lavage), blood, or infected organs. In the majority of immunocompetent individuals, histoplasmosis resolves without any treatment.
[1] [7] Systemic fungal infections are more serious and include cryptococcosis, histoplasmosis, pneumocystis pneumonia, aspergillosis and mucormycosis. [3] Signs and symptoms range widely. [3] There is usually a rash with superficial infection. [2] Fungal infection within the skin or under the skin may present with a lump and skin changes. [3]
Human-driven climate change is shifting rain patterns, ... noting that two other fungal diseases — Valley fever and histoplasmosis, which are also found in specific regions in the U.S., also ...
Histoplasmosis. PASD stain. Histoplasma capsulatum can cause histoplasmosis in humans, dogs and cats. The fungus is most prevalent in the Americas, India and southeastern Asia. It is endemic in certain areas of the United States. Infection is usually due to inhaling contaminated air.
Toxoplasmosis in humans is diagnosed through biological, serological, histological, or molecular methods, or by some combination of the above. [62] Toxoplasmosis can be difficult to distinguish from primary central nervous system lymphoma. Its symptoms mimic several other infectious diseases, so clinical signs are non-specific and are not ...
Histoplasma species have two forms: their environmental form is hyphal with microconidia and tuberculate macroconidia while their pathogenic form is a small intracellular yeast with a narrow neck and no bud with no capsule. [3]
Main article: Human parasite Endoparasites Protozoan organisms Common name of organism or disease Latin name (sorted) Body parts affected Diagnostic specimen Prevalence Source/Transmission (Reservoir/Vector) Granulomatous amoebic encephalitis and Acanthamoeba keratitis (eye infection) Acanthamoeba spp. eye, brain, skin culture worldwide contact lenses cleaned with contaminated tap water ...