Orphan tumors

Articles

• ameloblastic fibroma
  10 April 2006

  Definition: Ameloblastic fibroma is a proliferation of immature odontogenic mesenchymal and epithelial cells. No mineralization or production of enamel, dentin or cementum is seen.
  Images
  ameloblastic fibroma
  http://www.webpathology.com/image.asp?case=660&n=1
  https://twitter.com/kimmmzms/status/491952553110691840
  http://www.webpathology.com/image.asp?n=2&Case=165
  Cases
  December 2007, Case 712-1, Department of Pathology, University of Oklahoma Health Sciences Center, (...)

• odontogenic tumors
  14 June 2006

  Examples
  adenomatoid odontogenic tumor https://twitter.com/bunn_belinda/status/873385586941407232
  See also
  tumors odontogenic tumors

• ameloblastoma
  15 December 2004

  Ameloblastoma of maxilla
  Definition: Ameloblastoma is a neoplasm that recapitulates ameloblastic development. Ameloblastoma is essentially a locally aggressive epithelial neoplasm with features of the enamel organ. Ameloblastoma bears BRAF-V600E mutations.
  Images
  Ameloblastoma
  http://www.webpathology.com/image.asp?n=1&Case=166
  https://twitter.com/dozing_dog/status/724843235567345664
  https://twitter.com/reportesVilla/status/741089067631321088 (...)

• ameloblastic fibrosarcoma
  10 April 2006

  Ameloblastic fibrosarcoma is a rare tumor and only the mesenchymal component shows features of malignancy but the epithelial compoment remains bland.
  These tumors can occur de novo but can also be associated with recurrent ameloblastic fibroma or ameoloblastic fibroodontoma. There are usually no difficulties in recognizing the anaplastic features of the mesenchymal component.
  It should be noted that in some cases, particularly those with multiple recurrences, the mesenchymal component can (...)

• odontoameloblastoma
  21 May 2008

  Odontoameloblastomas are extremely rare oral tumors. For the cases that have been described, they happen to occur in the mandible of young patients.
  In contrast to AF, they are destructive lesions on radiographs and have calcifying components.
  Histologically, these tumors have ameloblastomatous component as wlee as odontoma-like components.
  Biologically, they tend to behave like ameloblastoma and characterized by multiple recurrence and local aggression.
  See also
  ameloblastic (...)

• pulmonary papillary adenoma
  14 June 2006

  See also
  Adenomas pulmonary adenomas papillary adenomas

• embryonal sarcoma
  28 June 2004

  undifferentiated embryonal sarcoma

• ectomesenchymoma
  29 February 2008

  malignant ectomesenchymoma

• Clara cell adenoma
  14 June 2006

  See also
  Clara cells

• adenoid cystic carcinoma
  9 August 2004

  WKPD WKMD
  Definition : A type of glandular carcinoma (adenocarcinoma ).
  Images
  salivary adenoid cystic carcinoma https://twitter.com/KUSAURAP/status/767963906270633984 https://twitter.com/yasminelys/status/726363368819404800 https://twitter.com/AssaadAM/status/738137110457110532 https://twitter.com/drshahinhameed/status/796235475006558209
  adenoid cystic carcinoma with high grade transformation. S100-, SOX10+ https://twitter.com/chioseasi/status/745017579698270208
  Adenoid Cystic (...)

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