Year 2014 / Volume 106 / Number 3
Letter to the Editor
Colorrectal Kaposi’s sarcoma

229-230

Rocío Soler Humanes, Luis Alonso Lobato Bancalero, Elena Sanchiz Cárdenas, Eduardo Marques Merelo, Juan Francisco Espada Muñoz, Juan José Daza González, Antonio del Fresno Asensio, Francisco Javier Fernández García, Carmelo Torres Moreno, Teresa Sánchez Viguera y Gabriel Carranque Chaves

Abstract
Dear Editor,
Regarding the case published by Ferreira et al. (1) about Kaposi Ás sarcoma, we would like to contribute a reflection based on a clinical case.
The diagnosis of Kaposi Ás sarcoma outside the immunosup- pression context is complex and difficult to differentiate espe- cially from GIST.
From the pathological point of view, both diseases can be positive for the markers CD117, c-kit and CD34 (2). The dif- ference lies in the Kaposi Ás sarcoma positivity for HHV8 (3) (99 % sensitivity, 100 % specificity), apart from infiltration of the lamina propria, the presence of lymphoplasmocytic infiltrates and hemosiderin deposits (4), findings that usually are linked to a young and immunocompromised patient, usually HIV+ (5).
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Rocío Soler Humanes, Luis Alonso Lobato Bancalero, Elena Sanchiz Cárdenas, Eduardo Marques Merelo, Juan Francisco Espada Muñoz, Juan José Daza González, Antonio del Fresno Asensio, Francisco Javier Fernández García, Carmelo Torres Moreno, Teresa Sánchez Viguera y Gabriel Carranque Chaves. Colorrectal Kaposi’s sarcoma. 229-230


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