METALOSIS POR TITANIO. DIAGNOSTICO DIFERENCIAL DE MASA DE COMPARTIMIENTO ILIOPSOAS: CASO CLINICO

Se presenta el caso clínico de una paciente de 52 años con diagnóstico de tuberculosis de cadera derecha a quien en 1991 se le instala prótesis de Titanio. Once años después presenta aumento de volumen de la extremidad inferior y masa palpable en zona inguinal. Fue estudiada con ultrasonografía y tomografía computada cuyos hallazgos se describen. Se planteó como diagnóstico diferencial principal un sarcoma en compartimiento iliopsoas por lo cual se realiza biopsia bajo ultrasonografía que demostró metalosis por Titanio diagnóstico que debe ser considerado en pacientes con masa inguinal y prótesis de cadera. Se reseca la lesión, la cual recidiva, requiriendo recambio articularAn 52 year-old female patient with right hip joint Tuberculosis, received a Titanium total joint arthroplasty in 1991. Eleven years later, she presented low extremity swelling and inguinal mass, which was studied with ultrasound and computed tomography. The main differential diagnosis was an iliopsoas sarcoma, so an ultrasound-guided biopsy was performed. The result was Titanium particle debris. The lesion was removed, but it recurred, so that joint replacement was required. Joint Titanium particle wear debris a condition due to particle releaseis as an arthroplasty complication. When its clinical manifestation is a pelvic mass, the main differential diagnoses include tumors and granulomatous disease. Both clinical manifestations and the radiology are variable. This pathology in patient with hip joint Titanium arthroplasty must be consided