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Oncología (Guayaquil) ; 31(1): 86-92, Abril 30, 2021.
Article in Spanish | LILACS | ID: biblio-1222729

ABSTRACT

Introducción: El condrosarcoma mesenquimal extraesquelético (CME), corresponde al 1% de todos los tumores malignos de los tejidos blandos. Se localizan principalmente en la región de la cabeza y cuello, sobre todo en la órbita, y en la duramadre del cráneo, seguida de las extremidades inferiores particularmente a nivel del muslo. La ubicación pectoral es rara, motivo de reporte. Reporte de caso: Paciente hombre de 38 años quien desarrolla un nódulo de aproximadamente 2 cm de diámetro localizado en región pectoral derecha con dolor mínimo a la palpación y crecimiento rápido. Dos meses después, al momento la de resección, el nódulo mide 7.5x 6.5 x 3.5 cm, y pesa 106g. Presenta aspecto lobulado, color café grisáceo, al corte es de consistencia cauchosa y superficie blanquecina nodular con áreas centrales de aspecto mineralizado/calcificado. Se procesa 6 cortes de parafina y se diagnostica como condrosarcoma mesenquimal (CM). Evolución: El paciente fue egresado y está en control por consulta externa no ha desarrollado recidivas hasta el momento. Conclusiones: El crecimiento acelerado de una masa de consistencia cartilaginosa se correlacionó en este paciente con la presencia de un condrosarcoma mesenquimal extraesquelético.


Introduction: The extraskeletal mesenchymal chondrosarcoma (ESC) corresponds to 1% of all malignant soft tissue tumors. They are located mainly in the head and neck region, especially in the orbit, and in the dura mater of the skull, followed by the lower extremities, particularly at the level of the thigh. Pectoral location is rare, reason for report. Case report: 38-year-old male patient who developed a nodule approximately 2 cm in diameter located in the right pectoral region with minimal pain on palpation and rapid growth. Two months later, at the time of resection, the nodule measures 7.5 x 6.5 x 3.5 cm, and weighs 106g. It has a lobulated appearance, greyish brown color, when cut it is of a rubbery consistency and a nodular whitish surface with central areas of mineralized / calcified appearance. 6 paraffin sections are processed and diagnosed as mesenchymal chondrosarcoma (CM). Evolution: The patient was discharged and is being monitored by an outpatient clinic. He has not developed recurrences to date. Conclusions: The accelerated growth of a mass of cartilaginous consistency was correlated in this patient with the presence of an extraskeletal mesenchymal chondrosarcoma.


Subject(s)
Case Reports , Chondrosarcoma, Mesenchymal , Soft Tissue Neoplasms
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