Mophological syndrome

Articles

• interface hepatitis
  25 May 2004

  piecemeal necrosis

• 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 (...)

• acute hepatitis
  30 May 2003

  Microscopy
  The essential components of the acute phase of hepatitis are:
  inflammatory-cell infiltration
  hepatocellular damage
  cholestasis
  Kupffer-cell activation
  endotheliitis
  bile-duct damage
  ductular reaction
  hepatocellular regeneration
  hepatocellular damage
  Hepatocellular damage range from minor degrees of cell swelling to cell death. They are accompanied by the inflammatory infiltration described below, reflecting the important role of cellular immunity in the (...)

• chronic active gastritis
  18 October 2005

  CAG, active chronic gastritis

• lymphoepithelial sialadenitis
  5 November 2007

  LESA, myoepithelial sialadenitis, MESA, salivary benign lymphoepithelial lesion,
  Definition: LESA is found in virtually all patients with Sjögren’s syndrome but may occur without Sjogren’s syndrome. It is associated with lymphoid infiltration of salivary gland tissue, producing atrophy and destruction of the acini.
  Myoepithelial sialadenitis of the salivary gland is associated with an increased risk of lymphoma, but criteria that predict its development have not been clearly defined. (...)

• gastric mucosal atrophy
  7 March 2005

  Definition: Atrophy means wasting, with resulting reduction in size or amount of an organ, tissue, or cell type.
  Atrophy of the stomach affects primarily the glands, which become sparse and small. In atrophy of the gastric corpus and fundus, parietal and chief cells disappear from the oxyntic glands, and the residual glands may undergo pseudopyloric metaplasia.
  Mucosal atrophy can be noted grossly, especially in advanced, diffuse atrophy of oxyntic mucosa in the fundus and corpus where (...)

• rheumatoid nodule
  16 June 2011

  rheumatoid nodules
  Definition: Rheumatoid nodule is composed of a core of densely eosinophilic fibrin and necrobiosis surrounded by a chronic inflammatory infiltrate.
  Digital slides
  UI:656 - Rheumatoid nodule.
  JRC:6343 : pulmonary rheumatoid nodule (pulmonary rheumatoid granuloma).
  JRC:6345 : pulmonary rheumatoid nodule (pulmonary rheumatoid granuloma).
  Skin manifestations, including rheumatoid nodules, are relatively common in rheumatoid arthritis.
  These nodules occur in (...)

• giant cell transformation
  19 June 2003

  neonatal syncytial giant cell hepatitis, giant cell hepatitis, giant cell transformation of hepatocytes, hepatocytic giant cell transformation

• lymphocytic gastritis
  12 November 2003

  Digital case
  HPC:311 : Follicular gastritis and active chronic gastritis, non-atrophical, Helicobacter pylori-associated
  HPC:328 : Lymphocytic gastritis
  Definition: Lymphocytic gastritis is a chronic gastritis characterized by lymphocytosis of foveolar and surface epithelium.
  Lymphocytic gastritis affects 0.83% to 4.5% of individuals,mainly middle-aged and elderly men.
  The disorder complicates various diseases, including celiac disease,
  helicobacter pylori infections, Crohn disease, (...)

• lymphocytic interstitial pneumonia
  27 January 2005

  LIP, lymphoid interstitial pneumonitis; lymphoid interstitial pneumonitis; lymphoid interstitial pneumopathy
  Digital cases
  HPC:318 - Lymphocytic interstitial pneumonia (LIP)
  Images
  Wikimedia: Lymphocytic interstitial pneumonia
  Definition: LIP is a form of ’idiopathic’ interstitial pneumonia.
  Lymphocytic interstitial pneumonia (LIP) is a lymphoproliferative disorder characterized by dense interstitial accumulation of lymphocytes and plasma cells.
  Hypergammaglobulinemia is present in a (...)

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