نتایج جستجو برای: odontogenic keratocyst
تعداد نتایج: 27971 فیلتر نتایج به سال:
background: the different growth mechanism and biologic behavior of the odontogenic keratocyst(okc) compared to other odontogenic cysts might be related to the proliferating capacity of itsepithelium. in this study, the aim was to evaluate and compare the distribution and staining intensityof p16 and cyclin d1 in okc and unicystic ameloblastoma (ua). materials and methods: in this descriptive a...
AIM AND BACKGROUND An odontogenic keratocyst (OKC) or keratocystic odontogenic tumor (KCOT) and giant cell granuloma (GCG) in the jaws are common lesions which have been studied extensively in detail over the years. However, a lesion showing features of both is exceptionally rare and is reported only twice in the literature till date. CASE DESCRIPTION A rare case of OKC in mandible showing fo...
Orthokeratinized odontogenic cyst (OOC) is a developmental cyst that occurs in the jaw. it was initially defined by the world health organization as the orthokeratinized variant of odontogenic keratocyst (OKC). However, studies have shown that OOC has a peculiar clinicopathologic aspects when compared with other developmental odontogenic cysts, especially OKC's. The orthokeratinized odontogenic...
Orthokeratinized Odontogenic Cyst (OOC) is a rare odontogenic cyst, which is important because it has a low recurrence potential, but it has a percentage of the potential for malignant changes. OOC characteristics can be different from OKC (odontogenic keratocyst), which was once classified in its category. The microscopic view of OOC cyst is the reason for its easy identification from OKC, the...
Odontogenic keratocyst is one of the most aggressive odontogenic cysts with a high recurrence rate, this was explained histopathologically as it typically shows a thin, friable wall, which is often difficult to enucleate from the bone in one piece, and have small satellite cysts within the fibrous wall. Multiple surgical approaches were introduced including decompression, marsupilization, enucl...
Primary intraosseous squamous cell carcinoma (PIOSCC) derived from an odontogenic keratocyst (OKC) is a rare malignant neoplasm of the jaws, which is locally aggressive with quite poor prognosis. The incidence of carcinomas arising in odontogenic cysts was reported to be approximately 1-2/1000. The number of well-documented cases of PIOSCC ex OKC is extremely small; hence, no sufficient inciden...
AIM Five new cases of odontogenic keratocyst (OKC) together with five instances of recurrence are reviewed with special emphasis on radiology and surgical management. A comparative analysis offour different treatment modalities used in the treatment of OKC in these patients (new and recurrent cases) is reported. SUBJECTS AND METHODS The case notes and radiographs ofpatients who had histologic...
background. the aim of this study was to investigate myofibroblast (mf) density in a broad spectrum of odontogenic cysts and tumors and the relation between the density of mfs and the clinical behavior of these lesions. methods. a total of 105 cases of odontogenic lesions, including unicystic ameloblastoma (uam), solid ameloblastoma (sa), odontogenic keratocyst (okc), dentigerous cyst (dc), rad...
Objectives The aim of the present study was to document the frequency and clinicopathologic features of intra-osseous jaw lesions in an Iranian pediatric population over a 20-year period. Methods Data were obtained from the archives of the Oral Pathology Department, Shahid Beheshti University of Medical Sciences, Tehran, Iran. The lesions were classified into four groups: (A) odontogenic cysts...
Keratocystic odontogenic tumour (KCOT) previously known as odontogenic keratocyst was recently classified as a benign lesion characterized by an infiltrating pattern, local aggressiveness with the propensity to recurrence. It is thought to arise from the dental lamina. Pain is usually not associated with KCOT until swelling occurs, and it commonly affects the posterior mandible. Multiple KCOT a...
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