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OBJECTIVE Oral intravascular papillary endothelial hyperplasia (IPEH) is an uncommon, reactive vascular lesion with no specific clinical features. Microscopically two subtypes have been described: a pure and a mixed form. The importance of IPEH is in its resemblance to angiosarcoma. The aim of this study was to evaluate both the prevalence of IPEH in a(More)
Nasal dermoid sinus cyst is one of the diagnoses of midline nasal masses in children. This retrospective study analyzes the various theories regarding the origin of this congenital abnormality, the differential diagnosis, and the value of magnetic resonance imaging, as well as the various surgical options available.
Oral precancerous lesions are traditionally classified as leukoplakia, erythroplakia, erythroleukoplakia, and distinguished from precancerous conditions. Major attention is focused on leukoplakia, and no distinction made whether dysplasia is or not present. Malignant transformation is a multistep process that should be approached also from the histological,(More)
AIM To report a case of focal cemento-osseous dysplasia (FCOD) affecting a single tooth misdiagnosed as an inflammatory periapical lesion. SUMMARY The patient, a black 47-year-old woman complained of pain affecting the right side of the mandible. Routine X-ray examination discovered a periapical radiolucency on the mandibular left lateral incisor (tooth(More)
OBJECTIVE Heat-shock protein 27 (hsp27) has been implicated in several biological events. In this experimental study, we aimed at analysing, for the first time, the expression of hsp27 in the diverse stages of oral lichen planus (OLP) lesions. MATERIALS AND METHODS Thirty-six biopsy specimens of patients with OLP and 10 of healthy patients were selected.(More)
The epithelial odontogenic ghost cell tumour (EOGCT) is considered as a solid 'neoplastic' variant of the calcifying odontogenic cyst and is an uncommon lesion for which various names have been proposed over the years. We describe here an extraosseous case occurring on the edentulous mandibular gingiva in the right bicuspid area of a 70-year-old woman. The(More)
AIM To present the clinicopathological features of a series of four periapically located central giant cell granulomas (CGCGs) that were misdiagnosed and treated as being of endodontic origin. SUMMARY Four cases of periapical CGCGs were submitted with a clinical diagnosis of either radicular or residual cyst. In two cases, root canal treatment had been(More)
Mandibular osteosarcoma is a rare neoplasm, appearing in young adults as a mass often accompanied by pain, occasionally with paraesthesias, gingival haemorrhages and mobility of teeth, and rarely with ulceration of the skin or mucosa. Roentgenological lytic and/or sclerotic findings are non-specific. Some patients have a previous history of Paget's disease,(More)