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%.
El lindefema masivo localizado es una condición rara pero su incidencia se encuentra en aumento. El linfedema puede ser primario o secundario a infecciones, radioterapia, cirugías, cáncer, enfermedades del sistema inmune o a compresión. Algunos autores han sugerido un incremento en su incidencia debido a la epidemia de obesidad. El linfedema escrotal produce una morbilidad importante debido a mala higiene, infecciones, incontinencia urinaria, disfunción sexual, pérdida de la libido e inclusive limitación en la deambulación. Las opciones de tratamiento no quirúrgico de la linfedema incluyen el drenaje linfático manual, prendas de compresión, terapia física y ejercicio. Usualmente, el tratamiento conservador falla debido a la dificultad anatómica que presenta la región genital para la aplicación de dichas terapias. El tratamiento quirúrgico puede ser efectivo en casos graves y moderados. Existen diferentes variantes a la técnica quirúrgica, pero la resección del tejido afectado y la reconstrucción con tejido sano es primordial. El pronóstico de esta patología tiende a ser bueno; sin embargo, se reporta una alta tasa de recidiva.
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