Infectious diseases

Articles

• parasitic gastritis
  10 November 2005

  Images
  gastric anisakiasis
  http://www.nejm.org/doi/full/10.1056/NEJMicm1509451
  The stomach is not a preferred site for human parasitic infections. Cryptosporidium spp. has been found lining the gastric mucosa, which was virtually free of inflammation.
  Several cases of giardiasis have been reported, virtually all in stomachs with extensive atrophy and intestinal metaplasia.
  Because most patients also have H. pylori infection, it remains unclear whether Giardia intestinalis causes (...)

• syphilis
  18 October 2005

  Definition: Treponema pallidum subspecies pallidum is the microaerophilic spirochete that causes syphilis, a chronic venereal disease with multiple clinical presentations.
  Images
  Primary syphilis - Chancre
  https://twitter.com/JHW806/status/733298742502129666
  Secondary syphilis: psoriasiform pattern + lichenoid infiltrate with histiocytes great clue. Plasma cells ++
  https://twitter.com/JRamirezMD/status/782747788907991040
  Secondary syphilis: "condyloma" appearance. Dense plasma (...)

• Q fever
  1 February 2010

  Definition: Q fever is a zoonotic infection caused by Coxiella burnetii. Two forms of the disease have been described: an acute form with pneumonia, hepatitis or a flu-like syndrome; and a chronic form in which endocarditis is the most frequent clinical expression.
  Synopsis
  granulomatous lobular panniculitis (#19751228#)
  fibrin-ring granulomas in the liver or the bone marrow granulomas rimmed by an eosinophilic material, giving a "doughnut" or "fibrin-ring" appearance.
  References (...)

• aspergillus vasculitis
  18 November 2005

  See also
  Aspergillus invasive aspergillosis
  Vasculitis infectious vasculitis

• CMV hepatitis
  8 December 2004

  Definition: CMV is the most important cause of opportunistic hepatitis in immunocompromised patients. 20% of patients with liver allograft develop CMV hepatitis.
  Images
  CMV inclusion in a portal space
  https://twitter.com/liverpath/status/818267259944767488
  Synopsis
  cytomegalic cytopathic effects
  enlarged cells
  cytomegalic nuclear inclusions
  large, glassy masses in the nucleus, separated by a clear halo from the irregularly thickened nuclear membrane
  cytomegalic cytoplasmic (...)

• cryptococcosis
  14 March 2007

  cryptococcal infections, cryptococcoses

• Chikungunya
  23 February 2006

  See also
  arboviroses
  hemorrhagic fevers african hemorrhagic fevers

• bullous impetigo
  5 February 2006

  Desmosomal cadherins are the pathophysiologic targets of autoimmune or toxin-mediated disruption in the human diseases pemphigus and bullous impetigo, including its generalized form, called staphylococcal scalded skin syndrome (SSSS).
  Conformational epitopes of antidesmoglein autoantibodies in pemphigus patients sera and the specific cleavage site of desmoglein-1 (DSG1) by exfoliative toxin have been identified, implicating the N-terminal extracellular domains of the desmogleins as (...)

• EBV infections
  9 January 2006

  Types
  primary EBV infection
  chronic active EBV infection
  See also
  viral infections
  Epstein-Barr virus

• Helicobacter pylori–associated gastritis
  6 December 2011

  Helicobacter pylori-associated gastritis; Helicobacter pylori gastritis

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