Surgical removal of the
masses applied under epidural anesthesia was performed. The masses were firm
and pigmented. Multiple biopsies of the masses were collected and fixed in 10%
neutral buffered formalin.
 |
| Malignant Dermal Melanoma |
Histopathologic evaluation
of the biopsies revealed malignant dermal melanoma involving deep dermis,
muscles, adipose tissue, lymph node and blood vessels. Multifocal areas of
necrosis and dystrophic calcification were recognized. Hematologic and plasma
biochemical parameters were within normal reference ranges. Two months post-
surgery, hematologic and plasma biochemical parameters remained within normal
limits. The animal did not show any clinical signs of disease or evidence of
recurrence until five months follow-up post-surgery. To the author’s knowledge,
this is the first report of successful surgical excision of a malignant dermal
melanoma in a donkey. Read more>>>>>>>
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