Adenomatoid odontogenic tumor (AOT) is an uncommon tumor of odontogenic origin, characterized histologically by the formation of ductlike structures with amyloid-like deposits. Histogenesis of AOT is still uncertain and it is often considered as a hamartomatous lesion rather than a true neoplasm. AOT has a benign behavior and conservative surgical enucleation or curettage is sufficient. We repo...

Odontogenic myxoma is an uncommon, benign neoplasm and originates exclusively from the toothbearing areas of the jaw and more commonly found centrally in the mandible. Soft-tissue localization is seldom seen and is categorized as peripheral odontogenic myxoma. (POM). POM has a low recurrence rate. It grows slowly and less aggressive as compared to the central variety. Only a few cases of POM lo...

Giant cell tumor (GCT) of bone is a giant-cell-rich bony lesion associated with abundant multinucleated osteoclast-type giant cells. It is a primary neoplasm of bone with characteristic clinical, radiological, and pathological features. It is an expansive and lytic lesion without periosteal reaction and prominent peripheral sclerosis. Giant cells are also seen in other diseases like giant cell ...

The lesion traditionally known as odontogenic keratocyst has been renamed by WHO in 2005, as “keratocystic odontogenic tumor” as it is more appropriate and reflects its potential for local, destructive behavior. It is a benign intraosseous neoplasm of jaw, which is unusual due to its characteristic histopathological and clinical features, including potentially aggressive behavior, high recurren...

Calcifying odontogenic cyst is considered as a rare lesion and accounts for 1% of jaw cysts. It represents a heterogeneous group of lesions which exhibit a variety of clinicopathologic and behavioral features. It has been categorized as cyst and neoplasm. Even after several classification and subclassification, COC remains an enigma. WHO classification 2005 has reclassified the lesion as calcif...

Amelo blastoma is a neoplasm that originates from odontogenic epithelium. It the second most common of oral cavity. Uni cystic ameloblastomas refer to those lesions show clinical, radio graphic, or gross features jaw cyst, but on histologic examination typical ameloblastomatous epithelium lining part cyst cavity, with without luminal and/ mural growth. Even though lesion not aggressive as solid...

Central jaw tumors (intra osseous) in children occur infrequently and few oral pathologists have had the opportunity or experience in diagnosing these lesions and predicting their biological behavior. Some children are not diagnosed correctly at the initial stages as having a neoplasm and are wrongly treated for infections by antibiotic administration. Subsequent to an unresponsive antibiotic t...

Abstract A newly described entity called “calcified chondroid mesenchymal neoplasms” includes neoplasms with variable amounts of calcification and FN1 fusions [Liu et al, Mod Pathol 2021]. We report a case left temporal bone giant cell granuloma-like lesion that also shows an FN1-TEK fusion. Close monitoring MRI images after surgery has showed no recurrence. Case report: 33-year-old male develo...

keratocystic odontogenic tumor (kcot) is a benign intraosseous neoplasm of the jaw occurring most commonly in mandibular ramus molar area with male predilection. peripheral kcots are very uncommon. here we report a case of keratocyst in buccal mucosa in a 55 years old female patient, the diagnosis of which was based on subjective histological evaluation and further confirmed by immunohistochemi...

the neurilemmoma is a benign neoplasm of schwann cell origin. one of the histopathologic subtypes of this tumor is ancient schwannoma which is characterized by degenerative alterations including cystic change, calcification, hemorrhage, and hyalinization. intraosseous schwannomas especially ancient ones are rare tumors. here we present a case of intraosseous ancient schwannoma in the lower jaw ...