jessie markovich, dvm. note the slightly tapered, rounded ends can be identified on lymph node,...

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Fungal Diseases: A brief pictorial Jessie Markovich, DVM

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Page 1: Jessie Markovich, DVM.  Note the slightly tapered, rounded ends  Can be identified on lymph node, exudate, or GI FNA cytology  Can not be identified

Fungal Diseases: A brief pictorial

Jessie Markovich, DVM

Page 2: Jessie Markovich, DVM.  Note the slightly tapered, rounded ends  Can be identified on lymph node, exudate, or GI FNA cytology  Can not be identified

Pythium Cytology Note the slightly

tapered, rounded ends

Can be identified on lymph node, exudate, or GI FNA cytology

Can not be identified on H&E or PAS stains

Modified Wright’s stain

Page 3: Jessie Markovich, DVM.  Note the slightly tapered, rounded ends  Can be identified on lymph node, exudate, or GI FNA cytology  Can not be identified

Sporotrichosis Mycelia are thin,

finely branched & septate

Mycelia produce clusters of conidiophores = the infective stage

©Dermatology Online Journal

Page 4: Jessie Markovich, DVM.  Note the slightly tapered, rounded ends  Can be identified on lymph node, exudate, or GI FNA cytology  Can not be identified

SporotrichosisFeline patient, before

and after treatment

Affects cats more frequently than dogs. Cats often have the disseminated form.

Page 5: Jessie Markovich, DVM.  Note the slightly tapered, rounded ends  Can be identified on lymph node, exudate, or GI FNA cytology  Can not be identified

Dogs are infected less commonly than cats & usually have the Cutaneous form

Page 6: Jessie Markovich, DVM.  Note the slightly tapered, rounded ends  Can be identified on lymph node, exudate, or GI FNA cytology  Can not be identified

Sporothrix cytology

Yeast form, characterized by pleomorphic round, oval, or cigar shaped cells that measure 2 by 3 μm to 3 by 10 μm

Page 10: Jessie Markovich, DVM.  Note the slightly tapered, rounded ends  Can be identified on lymph node, exudate, or GI FNA cytology  Can not be identified

Zoonotic Potential Cats are the most

common culprit Armadillos! Typical incubation

period is 1 week to 2 months in humans