Infectious agents

Articles

• Candida sp.
  4 May 2004

  Adj. candidal

• Mycobacterium sp.
  23 April 2004

  mycobacteria, mycobacterias

• Staphylococcus aureus
  5 February 2006

  Staphylococcus aureus organisms are pyogenic, nonmotile, Gram-positive cocci that form grapelike clusters. These bacteria cause a myriad of skin lesions (boils, carbuncles, impetigo, and scalded skin) and also cause osteomyelitis, pneumonia, endocarditis, food poisoning, and toxic shock syndrome (TSS).
  Staphylococcus aureus organisms are pyogenic, nonmotile, Gram-positive cocci that form grapelike clusters. These bacteria cause a myriad of skin lesions (boils, carbuncles, impetigo, and (...)

• Rhizopus sp.
  18 January 2007

  See also
  Mucor sp.

• 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 (...)

• Coccidioides immitis
  29 December 2003

  Definition: Coccidioides immitis is the agent of coccidioidomycosis (Valley Fever, San Joaquin Valley Fever, desert bumps, desert rheumatism or Posadas’ disease).
  Images
  Coccidioides immitis https://twitter.com/azdermpath/status/703682608899592192
  Lymphadenitis Infectious: Coccidioides immitis / San Joaquin Valley Fever https://twitter.com/AiMMe77/status/755158590583746560
  Links
  Tom Volk case
  References
  In situ hybridization for Coccidioides immitis 5.8S ribosomal RNA sequences (...)

• Enterobius vermicularis
  3 October 2003

  Pinworm

• Pseudomonas aeruginosa
  4 June 2004

  Adj. pseudomonal

• 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. (...)

• Echinococcus granulosus
  7 December 2005

  Definition: Echinococcus granulosus, also called the Hydatid worm, is a cyclophyllid cestode that parasitizes the small intestine of canids as an adult, but which has important intermediate hosts such as livestock and humans, where it causes hydatid disease.
  Images
  hepatic cystic echinococcosis / Echinococcus granulosus
  https://twitter.com/RhondaYantiss/status/851519941299851265
  The adult tapeworm is about 5 mm long and has three proglottids ("segments") when intact. Like all (...)

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