García-Gutiérrez, MónicaMónicaGarcía-GutiérrezLara-Torres, César OctavioCésar OctavioLara-TorresOrtíz Hidalgo, Carlos FedericoCarlos FedericoOrtíz Hidalgo2023-01-262023-01-262011https://scripta.up.edu.mx/handle/20.500.12552/241010.1016/j.patol.2011.05.004Introducción: El sarcoma histiocítco (SH) es una neoplasia poco frecuente con características morfológicas e inmunohistoquímicas de diferenciación histiocítica. Material y métodos: Presentamos 6 casos de SH. Se estudiaron cortes con hematoxilina y eosina y con inmunohistoquímica para CD45, CD163, CD68, lisozima, CD21, EMA, CD1a, S-100, CD20, Ki-67, HMB45 y CK AE1-3. © Revista Española de PatologíaIntroduction: Histiocytic sarcoma (HS) is a rare malignant neoplasm showing the morphologic and immunohistochemical features of histiocytic differentiation. Material and methods: We present 6 cases of HS diagnosed in 4 female and 2 male patients with ages ranging from 8 months to 64 years (medium age of 25.7 years). Sections were stained with hematoxylin and eosin and immunohistochemistry was performed using CD45, CD163, CD68, lysozyme, CD21, EMA, CD1a, S-100, CD20, Ki-67, HMB45 and CK AE1-3. © Revista Española de PatologíaesResource Types::text::journal::journal article