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Liposarcoma en lactante: Reporte de un caso / Liposarcoma in an infant: Case report
Camacaro, Yoselyn Mariana; López, Daniela Alejandra; Flores, Guillermo Hernán; Vargas, Gisela Aurora.
  • Camacaro, Yoselyn Mariana; s.af
  • López, Daniela Alejandra; s.af
  • Flores, Guillermo Hernán; s.af
  • Vargas, Gisela Aurora; s.af
Arch. venez. pueric. pediatr ; 80(2): 58-61, jun. 2017. ilus
Article in Spanish | LILACS | ID: biblio-887826
RESUMEN
Liposarcomas, tumores adiposos propios en edad adulta, excepcional en niños, reportándose solo el 6% de los casos en la 2da década de la vida, dos tercios son lipomas, 30% lipoblastomas y 2% liposarcomas. Lactante menor de 10 meses con aumento de volumen progresivo en región gemelar derecha de 3 meses de evolución, masa palpable de 10,5 x 19 cm, renitente, no dolorosa, bordes definidos, circulación colateral, funcionalidad normal. Ecosonogramas no concluyente. Biopsia insicional fibrolipomas adultos diferenciados. Biopsia excisional tumor lipomatoso gigante con patrón mixoide consono con lipoma. Inmunohistoquimico liposarcoma de bajo grado, positivo para proteína s-100.
ABSTRACT
Liposarcoma, fatty tumors described in adults, rare in children, reporting only 6% of cases in the 2nd decade of life, two-thirds are lipomas, 30% lipoblastomas and 2% liposarcoma. A 10 month old infant with progressive increase of the right gastrocnemius region with a 3 months evolution, with palpable mass of 10.5 x 19 cm, painless, defined borders, collateral circulation and normal functionality. Ecosonograms inconclusive. Incisional biopsy reports differentiated adult fibrolipomas. Excisional biopsy reports giant lipomatous tumor with myxoid pattern consistent with lipoma. Immunohistochemical reports low-grade liposarcoma positive for s-100 protein.

Full text: Available Index: LILACS (Americas) Language: Spanish Journal: Arch. venez. pueric. pediatr Journal subject: Pediatrics Year: 2017 Type: Article

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Full text: Available Index: LILACS (Americas) Language: Spanish Journal: Arch. venez. pueric. pediatr Journal subject: Pediatrics Year: 2017 Type: Article