Abstract
Debridement with diamond burr in cat with refractory ulcer: case reportAbstract. The refractory ulcer is characterized by a spontaneous superficial lesion of the cornea that is usually recurrent and does not heal within a suitable period of treatment. It is caused by the non-adherence of the corneal epithelium to the stroma. The diagnosis is established by the clinical course and characteristics of the lesion, observed through e ophthalmological examination. The appropriate treatment includes the removal of the non-adherent epithelium, to facilitate the growth of new epithelial cells, with stronger adhesion complexes. The diamond burr (DB) stands out promisingly in the treatment for refractory ulcers, through superficial keratectomy. The procedure with DB is described in several species, however, it is rarely described in cats. Thus, the objective was to report the use of DB in the treatment of a superficial non-healing ulcer in a cat. The DB proved to be an effective device, easy to apply, well-tolerated and safe, in the resolution of a refractory corneal ulcers in a Persian cat.
Highlights
The refractory ulcer is characterized by a spontaneous superficial lesion of the cornea
It is caused by the non-adherence of the corneal epithelium
The diagnosis is established by the clinical course and characteristics of the lesion
Summary
O diagnóstico da úlcera refratária, advém dos sinais clínicos, do teste com fluoresceína sódica, observando a retenção do corante na superfície corneana com penetração do espaço subepitelial e da não adesão epitelial que pode ser verificada tocando um swab estéril e assim, evidenciando o epitélio solto (Crivellentin & Borin-Crivelletin, 2015). Ao exame com a lâmpada em fenda, foi observado vascularização superficial e profunda da córnea, discretas placas necróticas, enegrecida na superfície coreana e úlcera com epitélio centro medial irregular.
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