Please use this identifier to cite or link to this item: http://hdl.handle.net/1843/83425
Type: Artigo de Periódico
Title: Embryonal rhabdomyosarcoma (botryoid subtype) affecting the buccal mucosa
Authors: John Lennon Silva Cunha
Francisco de Assis Almeida Lima-Júnior
Wilson Déda Gonçalves Júnior
Thiago de Santana Santos
Ericka Janine Dantas da Silveira
Sílvia Ferreira de Sousa
Ricardo Luiz Cavalcanti de Albuquerque Junior
Abstract: Rhabdomyosarcoma (RMS) is a rare oral malignant soft tissue tumor whose pathological features may influence the clinical behavior, treatment and prognosis of the lesion. We report a case of a 13-year-old female patient, presenting an asymptomatic polypoid swelling in the left buccal mucosa that was approximately 2.5 cm in diameter and 3 months evolution. The presumptive diagnosis was fibrous hyperplasia and an excisional biopsy was carried out. Pathologic analysis revealed proliferation of predominantly ovoid cells, with eosinophilic cytoplasm and pleomorphic nuclei, arranged in subepithelial cambium layer. The mucosal surface presented a papillary-verrucous appearance. Immunohistochemical analysis revealed intense positivity for desmin, myogenin and Ki-67. The diagnosis was of embryonal RMS (botryoid variant). The patient was subjected to complementary chemotherapy and radiotherapy, with no evidence of recurrence or metastatic disease after 12 months follow-up. A discussion on the clinical, histopathological, immunohistochemical and therapeutic aspects of botryoid RMS will be provided.
Subject: Radiotherapy
Head and neck neoplasms
Rhabdomyosarcoma
Desmin
Myogenin
Ki-67 antigen
Consolidation chemotherapy
Immunohistochemistry
Rhabdomyosarcoma, embryonal
Cell proliferation
language: eng
metadata.dc.publisher.country: Brasil
Publisher: Universidade Federal de Minas Gerais
Publisher Initials: UFMG
metadata.dc.publisher.department: FAO - DEPARTAMENTO DE CLÍNICA
ICB - DEPARTAMENTO DE PATOLOGIA
Rights: Acesso Restrito
metadata.dc.identifier.doi: https://doi.org/10.1007/s12105-018-0957-8
URI: http://hdl.handle.net/1843/83425
Issue Date: Dec-2019
metadata.dc.url.externa: https://link.springer.com/article/10.1007/s12105-018-0957-8
metadata.dc.relation.ispartof: Head and Neck Pathology
Appears in Collections:Artigo de Periódico

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