Thayná M de Lima Morais, Celeste Sánchez-Romero, Luciano Ribeiro, Daniele S Faé, Francielle S Verner, Oslei P de Almeida, Sibele Nascimento de Aquino
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Kaposiform Hemangioendothelioma of the Oral Cavity: A Rare Tumor with an Unusual Location.
Kaposiform hemangioendothelioma is a rare neoplasm with intermediate malignant behavior, mainly affecting infants and children. Involvement head and neck is uncommon, and there are only four cases reported in the oral cavity and oropharynx. Microscopically, it is characterized by a vascular proliferation permeated by spindle-to-ovoid cells resembling Kaposi sarcoma. Immunohistochemically, the tumor is positive for CD31, CD34 and negative for D2-40. Herein we present a rare case of intraoral Kaposiform hemangioendothelioma in a 10-year-old boy.
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