Abstract:
:Phialemonium obovatum was found to be the cause of osteomyelitis in a German shepherd dog. Histologic examination of the biopsied material from the left tibia revealed septate, irregularly branched hyphae, swollen cells, and ovate-to-spherical cells divided by a transverse septum. The majority of the fungal elements were hyaline, but a few had lightly pigmented cell walls that had a greenish yellow tint. The presence of melanin in the cell walls of the hyphae and especially in their septa was verified by the use of the Fontana-Masson silver stain. P. obovatum formed moist, off-white-to-ochraceous, spreading colonies with a characteristic green pigment on their reverse side. The pigment was more prominent in cultures grown at 37 degrees C than in those grown at 25 degrees C. The isolate also grew at 40 degrees C. The dog isolate produced characteristic adelophialides without conspicuous collarettes and also basal septa from the creeping vegetative hyphae growing on the surface of the medium. The numerous obovate phialoconidia were smooth and one-celled.
journal_name
J Clin Microbioljournal_title
Journal of clinical microbiologyauthors
Lomax LG,Cole JR,Padhye AA,Ajello L,Chandler FW,Smith BRdoi
10.1128/JCM.23.5.987-991.1986subject
Has Abstractpub_date
1986-05-01 00:00:00pages
987-91issue
5eissn
0095-1137issn
1098-660Xjournal_volume
23pub_type
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