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Articles

• acute inflammation
  1 June 2004

  Digital cases
  Case 25 (HPC:25) : Acute appendicitis
  Case 94 (HPC:94) : Acute appendicitis
  Case 13 (HPC:13) : Acute synovitis
  Definition: Acute inflammation is a rapid response to an injurious agent that serves to deliver mediators of host defense-leukocytes and plasma proteins-to the site of injury.
  Types - Lesional patterns
  acute inflammation
  congestive inflammation
  cellular acute inflammation
  suppurative inflammation / suppuration
  abcess / abcesses / abcedation (...)

• amyloidoses
  12 November 2003

  amyloidosis, amyloid disorders WKP
  Definition: Amyloidosis is a group of diseases in which an abnormal protein, known as amyloid fibrils, make deposits in the extracellular space.
  Amyloidosis is not a single disease but a term for diseases that share a common feature: the extracellular deposition of pathologic insoluble fibrillar proteins in organs and tissues.
  Digital Cases
  HPC:125 : Salivary amyloidosis.
  JRC:6103 : Pulmonary amyloidosis.
  JRC:18909 : Thyroid medullary (...)

• progressive transformation of germinal centers
  15 December 2003

  PTGC, progressive transformation of germinal center

• acute appendicitis
  2 September 2004

  Digital cases
  HPC:25 : acute appendicitis
  HPC:94 : acute appendicitis
  HPC:368 : Granulation tissue after acute appendicitis
  Videos
  Acute appendicitis (by Washington Deceit)
  Peri-appendiceal abscess (by Washington Deceit)
  Laparoscopic appendicectomy
  See also
  appendicectomy (videos)
  References
  Lamps LW. Appendicitis and infections of the appendix. Semin Diagn Pathol. 2004 May;21(2):86-97. PMID: #15807469#
  References
  Minimal added value of further blocks in negative (...)

• lichen planus
  16 June 2004

  WKP
  Definition: Lichen planus is a papulosquamous disease. In its classical presentation, it is characterized by pruritic violaceous papules most commonly on the extremities of middle-aged adults. It may or may not be accompanied by oral and genital mucous membrane involvement. Its course is generally self-limited for a period of several months to years, but it may last indefinitely.
  There are many clinical variants described, ranging from lichenoid drug eruptions to association with (...)

• papillary thyroid carcinoma
  15 March 2004

  TPC; PTC; thyroid papillary carcinoma
  Types
  classic PTC / classic papillary thyroid carcinoma
  FV-PTC / follicular variant of papillary thyroid carcinoma
  IFV-PTC / infiltrative FV-PTC
  EFV-PTV / encapsulated FV-PTC
  IEFV-PTC / invasive encapsulated FV-PTC
  NIEFV-PTC / non-invasive encapsulated FV-PTC
  Images
  typical papillary thyroid carcinoma
  https://twitter.com/nisspath/status/695415489837674496
  FNA of papillary thyroid carcinoma (...)

• large round cell tumors
  8 July 2005

  large polygonal cell tumors
  See also : large round tumoral cells
  Digital slides
  JRC:14069 : Lung metastasis of a choriocarcinoma from mediastinum.
  Types
  large round cell carcinomas undifferentiated carcinomas choriocarcinoma
  melanoma
  mesothelioma
  large round cell sarcomas epithelioid leiomyosarcoma malignant peripheral nerve sheath tumor (MPNST) rhabdoyosarcomas epithelioid sarcoma alveolar sarcoma atypical cellular neurothekeoma
  Large polygonal cells in granular cell (...)

• gastric adenocarcinoma
  22 April 2004

  gastric cancer, gastric carcinomas PO
  Images
  M 14y/o gastric adenocarcinoma with bone metastasis https://twitter.com/Sandro_CZ/status/778725943980417024
  Digital cases
  JRC:10442 : cutaneous metastasis of a gastric adenocarcinoma.
  Etiology
  Gastric cancer is thought to result from a combination of environmental factors and the accumulation of specific genetic alterations due to increasing genetic instability, and consequently affects mainly older patients.
  Microscopical subtypes (...)

• HHV-8
  12 December 2003

  human herpesvirus-8, KSHV, HHV8

• caudal GLUT1+ infantile hemangioma
  9 June 2011

  Digital cases
  Case 265 : GLUT1+ Infantile hemangioma in caudal appendix
  Historically, cutaneous stigmata representative of occult spinal dysraphism (OSD) have included lumbar hemangiomas.
  Frequently, this skin change is found in conjunction with other cutaneous alterations such as dermal sinus tracts and subcutaneous lipomas.
  Localization
  caudal appendix
  Associations
  caudal appendix
  myeloschisis
  See also
  GLUT1
  infantile hemangioma
  caudal appendix
  References
  Lobular (...)

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