ewing sarcoma (es) of the mandible is a rare malignancy with poor prognosis which can be misdiagnosed as odontogenic inflammatory lesions or infections. we present a 7-year old male child which had been previously misdiagnosed and treated as an odontogenic abscess. this reported case describes the clinical, radiological and histopathological findings of oral es with difficulties in management. ...

BACKGROUND The keratocystic odontogenic tumour is classified as a developmental cyst derived from the enamel organ or from the dental lamina. The treatment of keratocystic odontogenic tumour of the jaw remains controversial. The aim of this study was to report the outcome of our conservative treatment protocol for keratocystic odontogenic tumour. METHODS Three patients with different complain...

BACKGROUND Odontogenic cutaneous fistula appears as dimpling or a nodule with purulent discharge, usually in the chin or jaw. Affected patients usually seek help from dermatologists or surgeons rather than from dentists. However, clinical symptoms of facial skin fistula without dental problems can lead to misdiagnosis. OBJECTIVE The purpose of this study was to investigate the clinical charac...

Background: The calcifying odontogenic cyst (COC) is a rare example of a developmental odontogenic cyst. COC may clinically be diagnosed as calcifying epithelial odontogenic tumour, adenomatoid odontogenic tumour, ameloblastic fibroodontoma, complex or compound odontoma, dentigerous cyst or as other types of odontogenic cysts. Purpose: The aim is to present an unusual clinical case of COC assoc...

INTRODUCTION The lateral periodontal cyst, as the name implies, occurs on a lateral periodontal location and is of developmental origin, arising from cystic degeneration of clear cells of the dental lamina. A botryoid odontogenic cyst is considered to be a rare multilocular variant of a lateral periodontal cyst. CASE PRESENTATION We report the clinical and histopathologic features of a rare c...

BACKGROUND Odontogenic myxoma is a rare benign neoplasm that originates from odontogenic ectomesenchyme. There is no standard of care and recurrences are frequent after conservative surgical procedures. MATERIAL AND METHODS A retrospective study conducted at a single cancer center, with analysis of medical records of all patients diagnosed with odontogenic myxoma from 1980 to 2010, along with...

The purpose of this study was to determine the prevalence of odontogenic cysts and to identify their clinico-pathological features among patients by studying biopsy specimens obtained from the archives of the Department of Oral and Maxillofacial Pathology, College of Dental Sciences, Davangere, Karnataka, India, during the past 10 years. Data for the study were retrieved from the case records o...

INTRODUCTION Keratocystic odontogenic tumours raise particular interest, because of their high recurrence rate and association with nevoid basal cell carcinoma syndrome. OBJECTIVE To analyze the clinical and histopathological features of all cases diagnosed as keratocystic odontogenic tumour in a Brazilian population. METHODS A total of 64 keratocystic odontogenic tumours, arising in forty-...

BACKGROUND The term "primary intraosseous squamous cell carcinoma" was introduced in 2005 by the World Health Organization with three subcategories. Squamous cell carcinoma arising from the lining of an odontogenic cyst is one important rare subcategory of such lesions with an incidence of 0.01 to 0.02%. Furthermore, the appearance of such malignancy in an odontogenic tumor such as keratocystic...

PURPOSE In the standard Caldwell-Luc operation, an inferior meatal antrostomy is performed to promote sinus drainage. However, inferior meatal antrostomy has been criticized for its additional operation time and wound, early loss of the opening, and risk of injury to the nasolacrimal duct. This study retrospectively reviewed the results of the Caldwell-Luc operation without inferior meatal antr...