Epidermoid Cyst Arising in the Buccal Mucosa: Case Report and Literature Review.
Epidermoid cysts are benign subcutaneous lesions, and the large majority of these cysts affect the floor of the mouth; however, the buccal mucosa is not the usual site of occurrence. To date, only 5 articles have been published with 6 cases of epidermoid cysts arising in the buccal mucosa. Therefore, the aim of this study was to describe the clinical, histopathological and immunohistochemical features of a case of an epidermoid cyst located in the buccal mucosa. To our knowledge, this is the first report of an oral epidermoid cyst describing an intense foreign body gigantocellular inflammatory reaction against epithelial keratin component. Although the usual diagnosis for epidermoid cysts is based on histopathological findings, this case report addresses novel information regarding the immunohistochemical pattern which may be found in these lesions.
Division of Radiology, Federal University of Ceará, Fortaleza, Brazil .
Fábio Wildson Gurgel
FW
Costa
Resident in Oral and Maxillofacial Surgery, Walter Cantídio Universitary Hospital, Fortaleza, Brazil .
Francisco Samuel Rodrigues
FS
Carvalho
Division of Oral Pathology, Federal University of Ceará, Fortaleza, Brazil .
Filipe Nobre
FN
Chaves
Division of Oral Pathology, Federal University of Ceará Campus Sobral, Sobral, Brazil .
Stephanie
S
de Almeida
Division of Oral Pathology, Federal University of Ceará, Fortaleza, Brazil .
Ana Paula Negreiros Nunes
AP
Alves
Department of Pathology and Forensic Medicine, Federal University of Ceará.
Régia Maria do Socorro Vidal
RM
Patrocínio
Division of Oral Pathology, Federal University of Ceará, Fortaleza, Brazil .
Fabrício Bitu
FB
Sousa
Division of Oral Pathology, Federal University of Ceará Campus Sobral, Sobral, Brazil .
Karuza Maria Alves
KM
Pereira
Epidermal Cyst; Immunohistochemistry; Mouth Mucosa
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