The ORESTES data mining analysis indicated 40 upregulated genes in HNSCC. Nine of these candidate genes were selected for further qRT-PCR validation and 3 of them (ALDOA, AHSA1, and POLQ) were frequently found upregulated in OSCC samples, which may indicate an association of these genes with the carcinogenesis process in this tumor site and they can constitute potential new targets for therapy.
The ameloblastic fibro-odontoma (AFO)is a rare odontogenic tumor that occurs predominantly in children and is generally associated with unerupted teeth. The choice of treatment for this entity is conservative surgery with enucleation and its prognosis is excellent. However, preserving the associated impacted teeth may make complete removal of the lesion difficult and may explain some cases of recurrence. A case of AFO in a 6-year-old girl treated with enucleation and preservation of an impacted lower left first permanent molar is reported. After two years of follow-up, there were no signs of recurrence and complete spontaneous eruption of the preserved tooth was observed. The present report indicates that the degree of involvement of the impacted tooth by AFO is a fundamental aspect to be considered during radiological analysis and surgical assessment. We concluded that preservation of the impacted permanent teeth associated with this tumor should always be considered and carried out with caution, since they are clearly not included in the surgical cavity. (J. Oral Sci. 49, [331][332][333][334][335] 2007)
Introduction: Gorham's disease, correspond to a massive osteolytic disease of the bones, characterized by destruction and resorption of one or more bones, spontaneous and progressive. The etiology of the disease is still unknown. The destroyed bone does not have the ability to regenerate or repair and is replaced by dense fibrous tissue. Bones of the skull and pelvis are the most commonly affected and in maxillofacial bones, the mandible is particularly affected. Case report: This study reports the case of an 11-yearold female, referred to the Oral and Maxillofacial Surgery service showing extensive area of spontaneous bone resorption, in which only the alveolar portion of the mandibular symphysis and the head of the left jaw were present. The history and clinical features observed indicated Gorham's disease. Final considerations: When in progressive stages Gorham's disease is difficult to be diagnosed by histopathological evaluation, due to limited remaining bone quantity, leaving only clinical and complementary exams to make allowances. The treatment is controversial in the literature. Therapy is individualized in accordance with the severity of the patient's condition and the site of involvement.
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