Case Report Of Adenocarcinoma On Palpebral Of Rotweiler Dog: A Histopathological Evaluation

Eyelid neoplasms cases are the most frequently recorded ophthalmic tumors in dogs, which mostly benign and only few are reported as being malignant. Adenocarcinoma is one of malignant tumor reported in dog eyes beside fibrosarcoma, squamous cell carcinoma, and hemangiosarcoma. A case of adenocarcinoma in palpebral of a 6-year-old male rotweiller dog with 6- month history of a progressive mass on the left eye was presented. Pathological examination showed a severe exophytic irregular pink to red cauliflower-like mass occupying all surface of the eye lid. A transpalpebral enucleation was performed to collect the mass, followed by histopathological slide preparation using Hematoxylin-Eosin (HE) staining. Histopathological examination showed various sizes lobules separated by connective tissue. Many angioneogenesis figure were also observed. The irregular arranged of anaplastic cells was obviously seen with hyperchromatic and pleomorphic of the nuclei and various shapes and sizes of cell structures as well. There was no sign of encapsulated area, however, few mitotic figures were seen. The histopathological examination result confirmed the presence of adenocarcinoma.