- cystic ameloblastoma
- ameloblastoma in which the follicular islands have undergone central cystic degeneration.
Medical dictionary. 2011.
Medical dictionary. 2011.
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
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.… … 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
plexiform ameloblastoma — ameloblastoma, often cystic, in which the neoplastic cells have formed an interconnected network of strands … Medical dictionary
adenoid cystic carcinoma — carcinoma characterized by bands or cylinders of hyalinized or mucinous stroma separating or surrounded by nests or cords of small epithelial cells. It appears as one or more of three patterns: cribriform, solid, and tubular. The usual site is… … Medical dictionary
Odontogenic cyst — Not to be confused with Calcifying odontogenic cyst, Glandular odontogenic cyst, Dental cyst, or Paradental cyst. Odontogenic cyst Classification and external resources Odontogenic cyst is a closed sac, having a distinct membrane derived from… … Wikipedia
craniopharyngioma — A suprasellar neoplasm, which may be cystic, that develops from the nests of epithelium derived from Rathke pouch; the histologic pattern, similar to that observed in adamantinomas, consists of nesting of squamous epithelium bordered by radially… … Medical dictionary
List of cutaneous conditions — This is an incomplete list, which may never be able to satisfy particular standards for completeness. You can help by expanding it with reliably sourced entries. See also: Cutaneous conditions, Category:Cutaneous conditions, and ICD 10… … Wikipedia
International Classification of Diseases for Oncology — The International Classification of Diseases for Oncology (ICD O) is a domain specific extension of the International Statistical Classification of Diseases and Related Health Problems for tumor diseases. This classification is widely used by… … Wikipedia
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