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The odontogenic myxoma is an uncommon benign odontogenic tumor arising from embryonic connective tissue associated with tooth formation. [1] As a myxoma , this tumor consists mainly of spindle shaped cells and scattered collagen fibers distributed through a loose, mucoid material.
An odontogenic tumor is a neoplasm of the cells or tissues that initiate odontogenic processes. Examples include: Adenomatoid odontogenic tumor; Ameloblastic fibroma; Ameloblastic fibro-odontoma; Ameloblastoma, a type of odontogenic tumor involving ameloblasts; Ameloblastic fibrosarcoma; Calcifying cystic odontogenic tumor; Calcifying ...
Myxoma is a rare, benign stromal tumor of mesenchymal origin often confused with other conjunctival stromal tumors. Conjunctival myxomas are thought to originate in Tenon's capsule and can masquerade as conjunctival lymphoma , lymphangioma , ocular surface squamous neoplasia (OSSN), or amelanotic melanoma .
Peripheral odontogenic fibroma (PFO) is a fibrous connective tissue mass that is exophytic and covered in surface epithelium that contains odontogenic epithelium. [1] The World Health Organization (WHO) classifies peripheral odontogenic fibroma as a fibroblastic neoplasm with variable amounts of odontogenic epithelium that appears to be dormant.
Ameloblastoma is a rare, benign or cancerous tumor of odontogenic epithelium (ameloblasts, or outside portion, of the teeth during development) much more commonly appearing in the lower jaw than the upper jaw. [1] It was recognized in 1827 by Cusack. [2]
The tumor is quite unique, but other tumors are considered in the differential diagnosis histologically. They included pleomorphic adenoma, myoepithelioma, myxoid neurofibroma, neurothekeoma (nerve sheath myxoma), chondroid choristoma, extraskeletal myxoid chondrosarcoma, focal oral mucinosis, and an ossifying fibromyxoid tumor of soft parts. [1]
A glandular odontogenic cyst (GOC) is a rare and usually benign odontogenic cyst developed at the odontogenic epithelium of the mandible or maxilla. [2] [8] [9] [10] Originally, the cyst was labeled as "sialo-odontogenic cyst" in 1987. [7] However, the World Health Organization (WHO) decided to adopt the medical expression "glandular ...
On radiographs, the adenomatoid odontogenic tumor presents as a radiolucency (dark area) around an unerupted tooth extending past the cementoenamel junction. It should be differentially diagnosed from a dentigerous cyst and the main difference is that the radiolucency in case of AOT extends apically beyond the cementoenamel junction.