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Odontogenic keratocystic tumor: a clinical and histopathologic retrospective study based on the New WHO classification / Tumor odontogénico queratoquístico: estudio clínico e histopatológico retrospectivo basado en la nueva clasificación de la OMS
Leite, Taiana Campos; Meirelles Júnior, Valdir; Janini, Maria Elisa Rangel.
  • Leite, Taiana Campos; s.af
  • Meirelles Júnior, Valdir; Federal University of Rio de Janeiro. School of Dentistry. Oral Pathology and Diagnosis Department. Rio de Janeiro. BR
  • Janini, Maria Elisa Rangel; Federal University of Rio de Janeiro. School of Dentistry. Oral Pathology and Diagnosis Department. Rio de Janeiro. BR
Int. j. odontostomatol. (Print) ; 5(3): 227-234, dic. 2011. ilus
Article in English | LILACS | ID: lil-612094
ABSTRACT
The aim was to review previous cases of Odontogenic Keratocyst or Keratocystic Odontogenic Tumor according to the new WHO classification. We used all cases diagnosed as Odontogenic Keratocyst or Keratocystic Odontogenic Tumor registered in the archives of the Pathologic Anatomy Laboratory of the Department of Pathology and Oral Diagnosis of the School of Dentistry of the Federal University of Rio de Janeiro, Rio de Janeiro, Brazil, which were collected from September, 1983 until September, 2008. The terms “Keratocyst” or “Keratocystic Odontogenic Tumor” were searched for and the following data were collected from the case files age, sex, location of the lesion(s), and patients’ chief complaints. Hematoxilin and Eosin slides were reviewed according to the 2005 WHO criteria. The results found are in accordance with the literature. Due to its benign features, the Orthokeratinized Odontogenic Keratocyst found in our sample had its diagnosis changed to Orthokeratinized Odontogenic Cyst, as recommended by the WHO. Histopathologic exams are required for every bone lesion, in order to establish correct diagnosis. Because of its features, the Keratocystic Odontogenic Tumor must have more aggressive treatment, compared with odontogenic cysts, and long-term follow-up is mandatory.
RESUMEN
El objetivo fue revisar los casos anteriores de queratoquiste odontogénico (QO) o tumor odontogénico queratoquístico (TOQ) de acuerdo con la nueva clasificación de la OMS. Fueron utilizados todos los casos diagnosticados como QO o TOQ registrados en los archivos del Laboratorio de Anatomía Patológica del Departamento de Patología y Diagnóstico Oral de la Facultad de Odontología de la Universidad Federal de Río de Janeiro, Rio de Janeiro, Brasil, registrados a partir de septiembre de 1983 hasta septiembre del 2008. Los términos "Queratoquiste" o "tumor queratoquistes odontogénicos" se buscaron y los siguientes datos se obtuvieron de los archivos del caso edad, sexo, localización de la lesión (es), y quejas de los pacientes. Las muestras histológicas de hematoxilina y eosina fueron revisadas de acuerdo a los criterios de la OMS 2005. Los resultados encontrados estaban de acuerdo con la literatura. Debido a sus características benignas, el queratoquiste odontogénico ortoqueratinizado encontrado en nuestra muestra había cambiado su diagnóstico de quiste odontogénico ortoqueratinizado, según lo recomendado por la OMS. Los exámenes histopatológicos son necesarios para toda lesión ósea, con el fin de establecer el diagnóstico correcto. Debido a sus características, el TOQ debe tener un tratamiento más agresivo, en comparación con los quistes odontogénicos, donde un seguimiento a mediano y largo plazo es obligatorio.
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Odontogenic Cysts / Odontogenic Tumors Type of study: Observational study / Risk factors Limits: Adult / Child / Child, preschool / Female / Humans / Male Country/Region as subject: South America / Brazil Language: English Journal: Int. j. odontostomatol. (Print) Journal subject: Dentistry Year: 2011 Type: Article Affiliation country: Brazil Institution/Affiliation country: Federal University of Rio de Janeiro/BR

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Full text: Available Index: LILACS (Americas) Main subject: Odontogenic Cysts / Odontogenic Tumors Type of study: Observational study / Risk factors Limits: Adult / Child / Child, preschool / Female / Humans / Male Country/Region as subject: South America / Brazil Language: English Journal: Int. j. odontostomatol. (Print) Journal subject: Dentistry Year: 2011 Type: Article Affiliation country: Brazil Institution/Affiliation country: Federal University of Rio de Janeiro/BR