Orphan tumors

Articles

• ameloblastic fibro-odontoma
  21 May 2008

  ameloblastic fibroodontoma

• 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 (...)

• 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 (...)

• 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, (...)

• sucutaneous angiolipoma
  14 June 2004

  Lipohemangioma
  Definition: Angiolipomas are typically subcutaneous and often painful.
  Images
  Angiolipoma: "angio" component; painful; intravasc thrombi https://twitter.com/JRamirezMD/status/811189246442741760
  Digital slides
  UI:738 - Subcutaneous angiolipoma (Lipohemangioma)
  Subtypes
  cellular angiolipoma
  Histogenesis
  Because they lack the typical cytogenetic abnormalities seen in ordinary lipomas, some have speculated that they may actually be of vascular origin but with an (...)

• pulmonary papillary adenoma
  14 June 2006

  See also
  Adenomas pulmonary adenomas papillary adenomas

• Clara cell adenoma
  14 June 2006

  See also
  Clara cells

• metanephric adenofibroma
  27 October 2003

  nephrogenic adenofibroma

• 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 (...)

• embryonal sarcoma
  28 June 2004

  undifferentiated embryonal sarcoma

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