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Mould Identification: A Virtual Self Assessment

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Unknown 68 = Geotricum candidum

Case History
A 35 yera old HIV+ patient presentent with a clinical diagnosis of recurrent oral thrush.  The culture below was isolated.
Culture

Cultures of Geotrichum are fast growing, white to cream, dry and finely suede-like with no reverse pigment.
Microscopy

Hyphae are hyaline, septate, branched and break up into chains of hyaline, smooth, one-celled, subglobose to cylindrical arthroconidia. They are 6-12 x 3-6 um in size and are released by the separation of a double septum.
Comment: Geotrichum candidum is an extremely common fungus with a world-wide distribution and is the causative agent of geotrichosis. Pulmonary involvement is the most frequently reported form of the disease, but bronchial, oral, vaginal, cutaneous and alimentary infections have also been reported.

About Geotrichum Back to Virtual Assessment

What is your identification?

Trichosporon asteroides
Geotrichum candidum
Pichia kudriavzevii

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Dr David Ellis
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