Τετάρτη 8 Απριλίου 2020

Pulmonary Malakoplakia by Rhodococcus equi in an HIV-Infected Patient in Mexico: A Case Report

Pulmonary Malakoplakia by Rhodococcus equi in an HIV-Infected Patient in Mexico: A Case Report:

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Background. Rhodococcus equi-related pulmonary malakoplakia is a rare condition with few reported cases; hereby, we present a case associated with advanced human immunodeficiency virus (HIV) infection, and thus far to our knowledge, the first report in Mexico. It is estimated that approximately 10% of the infections occur in immunocompetent patients, whereas the rest are immune deficient, targeting virtually any organ. Histologically, malakoplakia is characterized by the buildup of infiltrated inflammatory tissue as a consequence of the gathering of histiocytes embedded with concentric inclusions. The diagnosis relies on the cultures and the susceptibility testing as well as the pathologic findings compatible with the disease. Case Presentation. We present a 25-year-old male patient with persistent nonproductive cough for over a year and with weight loss, who comes to the emergency department with recent fever, swollen and tender lymph nodes, and hemoptysis. The patient gets diagnosed and treated for Rhodococcus equi-related pulmonary malakoplakia. Conclusion. Knowing the involvement of Rhodococcus in HIV is fundamental for the diagnosis and optimal treatment, which although unknown, a combination of antibiotics with intracellular penetration, on-time resection, and a proper immune reconstitution represents the best approach. Prognosis varies with mortality rates from 34% to 54%.


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