G. Tumoral pathology

• angiomyoma
  31 May 2005

  Etiology
  translocation t(X;10)(q22;q23.2) involving Xq22 and 10q23.2

• base-excision repair diseases
  27 May 2005

  base-excision repair gene defects, base excision repair diseases

• xanthoma disseminatum
  25 May 2005

  XD

• epidermoid tumors
  29 April 2005

  malpighian tumors

• lymphomas
  15 April 2005

  Digital cases (Examples)
  HPC:296 : Colonic MALT lymphoma
  HPC:302 : Mediastinal-pulmonary diffuse large B-cell lymphoma (DLBCL), EBV-associated
  HPC:305 : diffuse large B-cell lymphoma of the tonsil (DLBCL of the tonsil)
  WHO classification of lymphomas (2008)
  The mature B-cell neoplasms (WHO 2008)
  chronic lymphocytic leukemia/small lymphocytic lymphoma
  B-cell prolymphocytic leukemia
  splenic marginal zone B-cell lymphoma (SMZBCL)
  hairy cell leukemia
  splenic lymphoma/leukemia, (...)

• congenital teratoma
  7 April 2005

  References
  Heerema-McKenney A, Harrison MR, Bratton B, Farrell J, Zaloudek C. Congenital teratoma: a clinicopathologic study of 22 fetal and neonatal tumors. Am J Surg Pathol. 2005 Jan;29(1):29-38. PMID: #15613854#

• EBV-associated smooth muscle tumors
  4 April 2005

  Definition: Epstein-Barr virus (EBV)-associated smooth muscle tumors have been reported in young patients with allograft-associated immunosuppression, acquired immunodeficiency syndrome or congenital immunodeficiencies. EBV-associated SMT are frequently multicentric or multifocal and often occur in unusual locations.
  Images
  https://twitter.com/ArchivesPath/status/748970246275420160
  Localization (exemples)
  digestive system
  liver
  spleen
  lymph node
  brain (#15143769#)
  See also (...)

• proliferative myositis
  29 March 2005

  PO
  Definition: Infiltrative poorly demarcated intramuscular mass resembling nodular fasciitis but with large basophilic cells resembling ganglion cells.
  Histologically almost identical to proliferative fasciitis except located in muscle. It may be related to a reactive process. An occasional history of trauma can be noted.
  The proliferative myositis belongs to the "pseudosarcomatous fasciitis and myositis" group, joining nodular fasciitis (NF), proliferative fasciitis (PF), and (...)

• histiocyte-rich B-cell lymphoma
  21 March 2005

  References
  Delabie J, Vandenberghe E, Kennes C, Verhoef G, Foschini MP, Stul M, Cassiman JJ, De Wolf-Peeters C. Histiocyte-rich B-cell lymphoma. A distinct clinicopathologic entity possibly related to lymphocyte predominant Hodgkin’s disease, paragranuloma subtype. Am J Surg Pathol. 1992 Jan;16(1):37-48. PMID: #1728195#

• verrucous hemangioma
  14 March 2005

  Definition: The term verrucous hemangioma has been used to describe a congenital vascular anomaly with a progressive verrucous epidermal surface persisting throughout life unless surgically excised.
  Verrucous hemangioma are reminiscent of infantile hemangioma with GLUT1 immunopositivity, particularly in its involutive phase. No firm conclusion seems possible as to whether verrucous hemangioma is a malformation or an indolent tumor, but clinical evidence favors the former category. (...)

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