Jaws

• cyt of the jaws with calcifications
  6 December 2020

  calcified cyt of the jaws
  Examples
  keratocystic odontogenic tumour (KCOT) or calcifying odontogenic cyst A calcifying cystic odontogenic tumor (CCOT) is a proliferation of odontogenic epithelium and scattered nests of ghost cells and calcifications that may form the lining of a cyst, or present as a solid mass. It was previously described by Gorlin et al in 1962 as a calcifying odontogenic cyst.
  dentigerous cysts with calcification mimicking odontogenic tumors dentigerous cysts with (...)

• odontoid
  9 January 2020

  odontoids
  Definition: An odontoid is a structure resembling a tooth, especially in shape.

• ghost cells in jaw cyst or tumor
  9 January 2020

  Ghost cells identified, unknown anatomic location:
  Differential diagnosis
  calcifying odontogenic cyst COC
  dentinogenic ghost cell tumor
  ghost cell odontogenic carcinoma: infiltrative and exhibits mitotic activity, nuclear atypia, and/or necrosis
  odontoma
  ameloblastic fibro-odontoma
  pilomatrixoma
  matrical carcinoma
  craniopharyngioma
  See also
  ghost (...)

• basal palisading of epithelium in jaw cyst or tumor
  9 January 2020

  Central jaw lesion with basal palisading of epithelium
  Differential diagnosis
  calcifying odontogenic cyst COC calcifying odontogenic cyst in combination with second tumor
  ameloblastoma
  keratocystic odontogenic tumor
  dentinogenic ghost cell tumor/carcinoma
  odontogenic cyst or tumor, NOS
  ghost cells identified, unknown anatomic location

• odontogenic cysts and tumors
  18 December 2019

  PO
  Types
  odontogenic cysts
  odontogenic tumors
  Open references
  https://www.nature.com/articles/3880527

• odontogenic cysts
  25 March 2019

  WKP PO
  Definition : Odontogenic cyst are a group of jaw cysts that are formed from tissues involved in odontogenesis (tooth development).
  Odontogenic cysts are closed sacs, and have a distinct membrane derived from rests of odontogenic epithelium. It may contain air, fluids, or semi-solid material.
  Intra-bony cysts are most common in the jaws, because the mandible and maxilla are the only bones with epithelial components.
  That odontogenic epithelium is critical in normal tooth (...)

• jaws
  2 December 2018

  jaw ; mandible and maxilla WKP PO
  Definition : The jaw is any opposable articulated structure at the entrance of the mouth, typically used for grasping and manipulating food. The term jaws is also broadly applied to the whole of the structures constituting the vault of the mouth and serving to open and close it and is part of the body plan of most animals.
  In mammals, the jaws are made up of the mandible (lower jaw) and the maxilla (upper jaw).
  In the ape there is a reinforcement (...)

• plexiform ameloblastoma
  14 June 2017

  Images
  Plexiform ameloblastoma with cells showing more granular cell change. https://twitter.com/bunn_belinda/status/874812283314216961 https://twitter.com/bunn_belinda/status/874812811825876992
  See also
  ameloblastoma

• granular cell ameloblastoma
  13 March 2017

  The granular cell ameloblastoma variant shows cells whose cytoplasm is granular and the change may be focal or widespread.
  Images
  Granular cell change - ameloblastoma https://twitter.com/bunn_belinda/status/867798786193620992
  Open references
  Antigenic heterogeneity in granular cell ameloblastoma: an immunohistochemical study. Ramya R, Sudheerkanth PK, Eapen C, Alex VK, Rajkumar K, Rajashree P. J Int Oral Health. 2015 Mar;7(3):49-52. PMID: #25878479# Free
  Granularity in granular (...)

• spindle cell ameloblastic carcinoma
  13 March 2017

  low-grade spindle cell ameloblastic carcinoma
  Definition: Ameloblastic Carcinoma (AC) is uncommon malignant epithelial odontogenic tumour of jaw, with characteristic histologic features and behavior. Clinically, it has aggressive, infiltrative growth pattern with a distinct predilection for mandible. It exhibits histologic features of ameloblastoma and gets dedifferentiated overtime to culminate in carcinoma. Majority of the cases arise denovo (primary) and only few cases arise from a (...)

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