multicystic ameloblastoma

multicystic ameloblastoma
ameloblastoma containing multiple cystic spaces; it may exhibit any or all of the histologic patterns described as subtypes of the lesion and is more aggressive and recurs more frequently than does unicystic ameloblastoma. Cf. unicystic a.

Multicystic ameloblastoma of the left body of the mandible.


Medical dictionary. 2011.

Look at other dictionaries:

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  • ameloblastoma — A benign odontogenic epithelial neoplasm that histologically mimics the embryonal enamel organ but does not differentiate to the point of forming dental hard tissues; it behaves as a slowly growing expansile radiolucent tumor, occurs most… …   Medical dictionary

  • unicystic ameloblastoma — ameloblastoma containing a single cystic space, characterized by intraluminal or mural growth; it may be a unilocular ameloblastoma or ameloblastic transformation of the epithelial lining of an odontogenic cyst. Cf. multicystic a …   Medical dictionary

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  • tumor — 1. Any swelling or tumefaction. 2. SYN: neoplasm. 3. One of the four signs of inflammation (t., calor, dolor, rubor) enunciated by Celsus. [L. t., a swelling] acinar cell t. a …   Medical dictionary

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