Type your tag names separated by a space and hit enter

Histoplasmosis is a topic covered in the Johns Hopkins HIV Guide.

To view the entire topic, please or purchase a subscription.

Official website of the Johns Hopkins Antibiotic (ABX), HIV, Diabetes, and Psychiatry Guides, powered by Unbound Medicine. Johns Hopkins Guide App for iOS, iPhone, iPad, and Android included. Explore these free sample topics:

Johns Hopkins Guides

-- The first section of this topic is shown below --

PATHOGENS

  • Histoplasma capsulatum is a dimorphic fungus, one of the "endemic fungi." Grows as a small oval yeast (2-5 mu in diameter) at 37° C or in human tissue. Grows as a mycelium in nature.
  • Primarily intracellular pathogen infecting macrophages and causing granulomatous inflammation.
  • Soil-based fungus that thrives in moist, acidic soil with a high nitrogen content (high burden in birds and bat droppings).
    • Old abandoned buildings and caves can contain high levels.
    • Exposure can occur through activities that expose people to contaminated soil.
  • In US, endemic in Ohio, Mississippi, St. Lawrence River valleys, and Puerto Rico. Also endemic in areas of the Caribbean, Southern Mexico, Central and South America with microfoci in Eastern US, southern Europe, Africa, S and SE Asia.
  • Most cases sporadic but occasionally occur in outbreaks
  • Worldwide, most common endemic mycosis infection in AIDS patients.

-- To view the remaining sections of this topic, please or purchase a subscription --

Last updated: May 2, 2015

Citation

Gupta, Amita, and Natasha Chida. "Histoplasmosis." Johns Hopkins HIV Guide, 2015. Johns Hopkins Guide, www.hopkinsguides.com/hopkins/view/Johns_Hopkins_HIV_Guide/545095/all/Histoplasmosis.
Gupta A, Chida N. Histoplasmosis. Johns Hopkins HIV Guide. 2015. https://www.hopkinsguides.com/hopkins/view/Johns_Hopkins_HIV_Guide/545095/all/Histoplasmosis. Accessed March 23, 2019.
Gupta, A., & Chida, N. (2015). Histoplasmosis. In Johns Hopkins HIV Guide. Available from https://www.hopkinsguides.com/hopkins/view/Johns_Hopkins_HIV_Guide/545095/all/Histoplasmosis
Gupta A, Chida N. Histoplasmosis [Internet]. In: Johns Hopkins HIV Guide. ; 2015. [cited 2019 March 23]. Available from: https://www.hopkinsguides.com/hopkins/view/Johns_Hopkins_HIV_Guide/545095/all/Histoplasmosis.
* Article titles in AMA citation format should be in sentence-case
TY - ELEC T1 - Histoplasmosis ID - 545095 A1 - Gupta,Amita,M.D. AU - Chida,Natasha,M.D. Y1 - 2015/05/02/ BT - Johns Hopkins HIV Guide UR - https://www.hopkinsguides.com/hopkins/view/Johns_Hopkins_HIV_Guide/545095/all/Histoplasmosis DB - Johns Hopkins Guide DP - Unbound Medicine ER -