Infectious agents

Articles

• Mycobacterium avium intracellulare
  20 July 2007

  Mycobacterium Avium-Intracellulare Complex
  Definition: Mycobacterium avium (which includes three subspecies) and Mycobacterium intracellulare are separate species, but the infections they cause are so similar that they are simply referred to as Mycobacterium avium-intracellulare complex, or MAC.
  Images
  hepatic MAI infection
  https://twitter.com/GIPathologyURMC/status/765234005474181120
  Mycobacterium avium complex enteritis
  https://twitter.com/ARP_Press/status/852288984034287617 (...)

• Cryptococcus neoformans
  29 August 2005

  Torula histolytica
  Definition: Cryptococcus neoformans (formerly known as Torula histolytica) is an encapsulated yeast-like fungus found in dried avian (particularly pigeon) and bat excreta, and in dust contaminated with such droppings.
  Images
  Cryptococcus disseminated to lung, spleen, kidney, thyroid.
  https://twitter.com/JMGardnerMD/status/866107567046610945
  granuloma with Cryptococcus neoformans
  https://twitter.com/smlungpathguy/status/877392725959749632
  Digital cases
  HPC:62 (...)

• Aspergillus sp.
  9 June 2004

  Aspergillus is common and widespread in nature and are most often found when crops are exposed to a high humidity environment over a long period of time or are damaged in stressful conditions such as drought, a condition which lowers the barrier to entry.
  The native habitat of Aspergillus is in soil, decaying vegetation, hay, and grains undergoing microbiological deterioration and it invades all types of organic substrates whenever and wherever the conditions are favorable for its growth. (...)

• Pseudomonas sp.
  21 July 2007

  Species
  Pseudomonas aeruginosa sepsis
  Pseudomonas pneumoniae
  Videos
  Pseudomonas abscesses by Washington Deceit
  Pseudomonas infection
  See also
  bacterias

• Aspergillus fumigatus
  3 March 2006

  See also
  Aspergillus sp. Aspergillus niger
  References
  Wasylnka JA, Hissen AH, Wan AN, Moore MM. Intracellular and extracellular growth of Aspergillus fumigatus. Med Mycol. 2005 May;43 Suppl 1:S27-30. PMID: #16110789#

• Streptococcus pneumoniae
  3 March 2006

  References
  Cundell DR, Gerard C, Idanpaan-Heikkila I, Tuomanen EI, Gerard NP. PAf receptor anchors Streptococcus pneumoniae to activated human endothelial cells. Adv Exp Med Biol. 1996;416:89-94. PMID: #9131132#

• Leishmania donovani
  13 June 2006

  See also
  leishmanioses visceral leishmaniosis

• HPV-18
  14 June 2007

  See also
  HPVs
  HPV-18/MYC amplicon
  References
  Conti C, Herrick J, Bensimon A. Unscheduled DNA replication origin activation at inserted HPV 18 sequences in a HPV-18/MYC amplicon. Genes Chromosomes Cancer. 2007 Apr 19;46(8):724-734 PMID: #17444495#

• Naegleria fowleri
  18 September 2007

  Pathology
  amebic meningoencephalitis
  Images
  Naegleria fowleri amoeba in brain. Small trophozoites, pale nucleus https://twitter.com/TheUSCAP/status/763176116131475456
  References
  Visvesvara GS, Moura H, Schuster FL. Pathogenic and opportunistic free-living amoebae: Acanthamoeba spp., Balamuthia mandrillaris, Naegleria fowleri, and Sappinia diploidea. FEMS Immunol Med Microbiol. 2007 Jun;50(1):1-26. PMID: #17428307#
  Grate I Jr. Primary amebic meningoencephalitis: a silent killer. (...)

• Amoeba sp.
  9 March 2007

  WKP
  Pathology
  amoebiasis
  See also
  infectious agents

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