A Case of Gastrointestinal Histoplasmosis With Esophageal Involvement

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Histoplasmosis is a common infection endemic to the Ohio and Mississippi River Valleys caused by the inhalation of Histoplasma capsulatum spores from contaminated soil. Most infections are asymptomatic; however, patients with impaired cellular immunity (HIV infection, hematologic malignancy, solid organ transplant, hematopoietic stem cell transplant or TNF-⍺ inhibitor use) are at risk for disseminated disease. Disseminated histoplasmosis commonly affects the lungs, liver, spleen, bone marrow and gastrointestinal tract. Esophageal involvement is rare and usually due to extrinsic compression from affected mediastinal/hilar lymph nodes. Herein, we report a case of disseminated histoplasmosis in an AIDs patient involving the esophagus, without evidence of mediastinal involvement.