Microbiology, parasitology & COVID-19

Fungi

Dimorphic fungi

Talaromyces marneffei



Last author update: 1 December 2006
Last staff update: 12 August 2022

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PubMed Search: Talaromyces marneffei

Nat Pernick, M.D.
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Cite this page: Pernick N. Talaromyces marneffei. PathologyOutlines.com website. https://www.pathologyoutlines.com/topic/microbiologypenicilliosis.html. Accessed June 5th, 2023.
Definition / general
Terminology
  • Previously called Penicillium marneffei
Treatment
  • Amphotericin B and itraconazole
Microscopic (histologic) description
  • Normo or hypercellular marrow
  • Intracytoplasmic organisms similar to histoplasma but also sausage cells with light blue cytoplasm and central cross walls (due to fission, not budding) and 1 or 2 purple red small nuclei
  • Normal or increased granulocyte and erythroid precursors
  • Normal megakaryocytes
Microscopic (histologic) images

Images hosted on other servers:

Penicillium (A / C)
vs. Histoplasma
capsulatum
(B / D)

Positive stains
Differential diagnosis
  • Histoplasmosis: budding, intracellular only, no septum; often different epidemiology
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