Digital Pathology Cases

Articles

• Hirschsprung disease
  6 October 2003

  Hirschsprung’s disease, congenital intestinal aganglionosis, digestive aganglionnosis; digestive aganglionoses PO1 PO2
  Definition: Aganglionic megacolon is associated with congenital absence of intrinsic ganglion cells in the myenteric (Auerbach) and submucosal (Meissner) plexuses of the gastrointestinal tract. The disorder is genetically heterogeneous.
  Digital cases
  HPC:90 : rectal mucosa biopsies
  HPC:98 : rectal mucosa biopsies
  HPC:151 : Hirschsprung disease - Rectal (...)

• 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 (...)

• seborrheic keratosis
  31 August 2007

  seborrheic keratoses

• 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 (...)

• necrosis
  9 November 2004

  tissular death

• progressive transformation of germinal centers
  15 December 2003

  PTGC, progressive transformation of germinal center

• 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 (...)

• spleen
  28 August 2003

  Normal spleen. Adj. splenic
  WP - PathPedia
  Digital slides
  HPC:97 : Normal spleen
  HPC:266 : Normal spleen
  HPC:300 : Normal spleen (Idiopathic thrombopenic purpura)
  Images
  normal spleen
  https://twitter.com/histocasino/status/743550252267999232
  The spleen (from Greek σπλήν—splḗn) is an organ found in virtually all vertebrate animals. Similar in structure to a large lymph node, it acts primarily as a blood filter. Thus, life is possible after the spleen is removed.
  The spleen is the (...)

• neurofibroma
  7 July 2004

  neurofibromas WKP PO WebPath
  Digital cases
  HPC:56 : Atypical neurofibroma in neurofibromatosis type 1 (NF1)
  HPC:105 : Plexiform neurofibroma in neurofibromatosis type 1 (NF1)
  HPC:401 : Diffuse and plexiform neurofibroma NF1
  UI:344 - Neurofibroma.
  JRC:12076 : Neurofibroma.
  Definition: A neurofibroma is a benign nerve sheath tumor in the peripheral nervous system, consisting of a mixture of cell types including Schwann cells, perineurial-like cells and fibroblasts. (...)

• nodular fasciitis
  13 July 2004

  subcutaneous pseudosarcomatous fibromatosis, proliferative fasciitis. Ent. 1955 WKP PO
  Definition: Nodular fasciitis is a benign proliferation of fibroblasts in the subcutaneous tissues, commonly associated with the deep fascia. Nodular fasciitis is a benign mesenchymal tumor.
  Nodular fasciitis (NF) is a relatively common mass-forming and self-limited subcutaneous pseudosarcomatous myofibroblastic proliferation of unknown pathogenesis. Due to its rapid growth and high mitotic (...)

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