ABSTRACT
The case of an equine with nodular lymphocytic conjunctivitis is described. A 14-year-old crossbred mare was seen presenting with development of a mass in the nasal angle of the right eye, behind the third eyelid. The tutor reported slow growth over 4 years, always accompanied by epiphora, and that no treatment had been performed prior to consultation. The histopathological and immunohistochemical results found a nodular, subepithelial structure, composed predominantly of densely packed small lymphocytes. Through the exams, associated with studies with monoclonal anti B lymphocyte antibodies and polyclonal anti T lymphocyte antibodies, the diagnosis of nodular lymphocytic conjunctivitis was reached. Only clinical pharmacological treatment was chosen, based on the use of topical and intralesional hydrocortisone acetate. After one month of treatment the mass completely disappeared without sequelae.
Keywords:
equine; nodular lymphocytic conjunctivitis; mass; immunohistochemistry; lymphocytes
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