In 2005, odontogenic cyst was classified as keratocyst odontogenic tumor due to being aggressive and recurrent. The keratocyst odontogenic tumor has characteristics, with slow development, does not cause metastases and provides great bone destruction. The aim of this study was to discuss the aspects regarding the diagnosis, prognosis and treatment of odontogenic keratocyst tumor, through the re...

Odontogenic keratocyst (OKC) is one of the most aggressive odontogenic cysts owing to its relatively high recurrence rate and its tendency to invade adjacent tissue. Radiographically odontogenic keratocyst can be of different types – follicular, envelopmental, replacemental, extraneous and collateral.The biological behaviour, prognosis, recurrence and therapeutic approaches vary in different st...

Maxillary sinus harbours many pathological lesions. Many of those presents as a sinonasal mass and are rarely symptomatic. These masses are usually an antral polyp, mucoceles or mucous retention cysts. Odontogenic keratocyst, a benign odontogenic lesion presenting within the maxillary sinus is a rare entity. We present a case of odontogenic keratocyst of the maxillary sinus in a 35 years old fe...

Purpose: Odontogenic cysts and tumors comprise a major component of lesions the oral maxillofacial region. The pathogenesis these involves interaction between odontogenic epithelium ectomesenchyme. However, clinical behavior biological entities is unpredictable. aim this study was to evaluate role Cyclooxygenase 2 (COX-2) in prognostication lesions.Material method: : In formalin-fixed paraffin-...

Although rare, hard tissue deposits, namely dystrophic calcifications and cartilage, have been reported to occur in the connective tissue wall of the odontogenic keratocyst. However, dentinoid formation has not been previously documented. A case involving the left mandibular premolar-molar region in a 37-year-old Malay male is described here along with a brief review on the reported prevalence ...

UNLABELLED Statement of the Problem : Ameloblastoma is the most common odontogenic tumor which is slow-growing, locally invasive and exhibit specific biologic behavior and high recurrence rate. Likewise, odontogenic keratocyst is a developmental odontogenic cyst that has a high recurrence rate and aggressive behavior. There are limited studies considering the relationship between the angiogenes...

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 R...

The odontogenic keratocyst (OKC) was designated by the World Health Organization (WHO) as a keratocystic odontogenic tumor (KCOT) in 2005. KCOT has been defined as a benign unior multicystic, intraosseous tumor of odontogenic origin, with a characteristic lining of parakeratinized stratified squamous epithelium and potential for aggressive, infiltrative behavior. Additionally, these tumors have...

Proliferating cell nuclear antigen (PCNA) is a nuclear protein synthesized in the late G1 and S phase of the cell cycle, and immunohistochemical detection of the protein represents a useful marker for the proliferating fraction of cells in tissue specimens. PCNA expression was studied in odontogenic keratocysts (n = 15) and ameloblastomas (n = 46) using an avidin-biotin-peroxidase complex metho...

An odontogenic keratocyst that eroded into the sinus through the maxillary bone and occupied it, showed replacement of the sinus respiratory epithelium by lesional epithelium, and was associated with fungal rhinosinusitis is presented. A review of the literature disclosed that epithelial replacement has been described in 2 previous case reports, although there is no report on the coexistence of...