Infectious diseases

Articles

• cutaneous helminthiasis
  10 December 2004

  Types
  — Nematode (round worm)- 2mm-35cm round and slender nonsegmented body with collagenous epicuticle surrounding a coelomique cavity containing sexually reproductive organs and digestive tract.
  — - zoonotic north american Brugia
  — - enterobius vermicularis
  — - onchocerciasis
  — - lymphatic filariasis (Wuchereria bancorfti, Brugia malayi..)
  — - dirofilariasia conjunctivae infection
  — - dracontiasis
  — - cutaneous larva migrans (Ankylostoma caninum)
  — Cestode (tape worm)- cystic larva with (...)

• 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 (...)

• 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 (...)

• 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 (...)

• systemic fungal infection
  27 May 2005

  disseminated fungal infections

• tuberculosis
  22 August 2004

  Digital case
  HPC:154 : Mycobacterial adenitis
  Links
  Tuberculosis in The Yale Rosen Collection of Pulmonary Pathology on Flickr
  Localization
  pulmonary tuberculosis
  SNC tuberculosis
  meningeal tuberculosis (tuberculous meningitis )
  cerebral tuberculosis
  synovial tuberculosis
  tenosynovial tunerculosis (tuberculous tenosynovitis )
  renal tuberculosis
  serous tuberculosis
  pleural tuberculosis
  pericardial tuberculosis
  peritoneal tuberculosis
  genital tuberculosis
  tubal (...)

• Adenovirus
  10 June 2003

  Pathology (adenoviral infections)
  adenoviral hepatobiliary infections adenoviral hepatitis adenoviral cholangitis adenoviral ascending cholangiohepatitis
  adenoviral enteritis
  adenoviral colitis
  adenoviral bronchitis
  adenoviral bronchiolitis
  adenoviral pneumonia
  adenoviral conjunctivitis
  adenoviral cystitis
  adenoviral myocarditis
  Detection
  immunochemistry (#7557939#)
  in situ hybridization (#7557939#)
  See also
  adenoviral inclusions
  References
  Ohori NP, Michaels (...)

• toxoplasmosis
  18 October 2005

  toxoplasmoses
  Images
  Toxoplasmosis https://twitter.com/DrFNA/status/874074976479059968
  nodal toxoplasmosis : triad: follicular hyperplasia, epithelioid histiocytes, monocytoid B cells https://twitter.com/KyleBradleyMD/status/732985021481529344 https://twitter.com/ClaireMurphyMD/status/778278146219008000 https://twitter.com/sam_albadri/status/821484580674928640
  cutaneous (...)

• lymphogranuloma venereum
  8 February 2005

  Lymphogranuloma venereum is a sexually transmitted disease and is caused by certain immunotypes of Chlamydia trachomatis.
  Synopsis
  genital ulcers
  ulcerous proctitis
  rectitis follicular lymphohistiocytic-plasmacytic infiltration in the submucosa, muscularis propria, and serosa neuromatous hyperplasia in the submucosal and myenteric plexuses extensive thickening and fibrosis of the bowel wall
  lymphogranuloma venereum proctocolitis
  inguinal syndrome with penoscrotal elephantiasis (...)

• cryptosporidiosis
  15 April 2005

  WKP
  Definition: Cryptosporidiosis is a parasitic disease caused by Cryptosporidium, a genus of protozoan parasites in the phylum Apicomplexa.
  It affects the distal small intestine and can affect the respiratory tract in both immunocompetent (i.e., individuals with a normal functioning immune system) and immunocompromised (e.g., persons with HIV/AIDS or autoimmune disorders) individuals, resulting in watery diarrhea with or without an unexplained cough.
  In immunocompromised individuals, (...)

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