Calcifying fibrous tumor (CFT) is a rare mesenchymal tumor, affecting children and young adults with a predilection for the soft tissue and the abdominal cavity. CFT of the tubular gastrointestinal tract is very rare with less than 20 cases of gastric CFTs reported in English literature. This benign hypocellular fibrosclerotic calcifying lesion can resemble other spindle cell tumors particularl...

This review article aimed to introduce a category of jaw lesions associated with impacted tooth. General search engines and specialized databases such as Google Scholar, PubMed, PubMed Central, MedLine Plus, Science Direct, Scopus, and well-recognized textbooks were used to find relevant studies using keywords such as "jaw lesion", "jaw disease", "impacted tooth", and "unerupted tooth". More th...

a 16-years-old female patient with painless swelling of the right side of mandible is described. she noticed the swelling from two years ago, without painful symptoms. axial ct imaging showed buccal expansion with intact buccal and lingual cortical bone. the report of incisional biopsy was central odontogenic fibroma. under general anesthesia the lesion was removed after ostectomy of buccal cor...

calcifying odontogenic cyst (coc) is a unique odontogenic lesion with combined features of a cyst and neoplasm.  this lesion shows a great diversity in its clinicopathological behavior.  it may become aggressive and rarely malignant.  this case is an aggressive coc of the maxilla in a young male patient which recurred after several radical surgical excisions.  eventually invading the cranium, t...

RATIONALE Ghost cell odontogenic carcinoma (GCOC) is a rare malignant odontogenic tumor with aggressive growth characteristics. PATIENT CONCERNS A 41-year-old Chinese male visited our hospital in 2013, with a 4-month history of bloody purulent rhinorrhea with a peculiar smell in the right nasal cavity. DIAGNOSES The patient suffered from recurrent GCOC with suspected cholesterol granuloma o...

BACKGROUND Ameloblastomas and keratocystic odontogenic tumors (KOTs) are lesions that are characterized by locally invasive growth and cause extensive bone destruction. In addition, it is known that E-cadherin influences the adhesion of Langerhans cells (LCs) to keratinocytes. OBJECTIVE AND METHODS The aim of this study was to investigate, using immunohistochemistry, the distribution of CD1a-...