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Information Journal Paper

Title

LOW GRADE DIFFERENTIATED OCULAR SQUAMOUS CELL CARCINOMA IN A COW (A CASE REPORT)

Pages

  67-71

Abstract

 Objective: Diagnosis of a tumor mass on PALPEBRAl CONJUNCTIVA in COW.Design: Case report.Animal: A 5-year- old Holstein COW.Procedure: The COW was referred to Teaching and Research Hospital, Faculty of Yeteri nary Medicine, University of Tehran, Oct. 2001. The tissue biopsies were obtained from the mass, fixed in 10% buffered formalin and tissue sections were made at 5mm and stained with H&E. To determination of malignancy, some of the sections stained for KERATIN and PREKERATIN by Ayoub-Shklar method. Results: Clinical examinations revealed a painful, light yellow, fleshy and haemorrhagic mass, 4´2 cm, on CONJUNCTIVA of lower eyelid of the left eye. Histopathologic examination revealed several irregular masses and elongated cords consisting of polyhedral cells with basophilic, hyperchromatic and pleomorphic nuclei, enlarged nucleoli and irreguler clumps of chromatin within nuclei with eosinophilic, finely granular cytoplasm. The neoplastic cells resembled prickle cells with prominent cell borders, abundant atypical mitotic figures, mononuclear tumor giant cells and foci of hemorrhages and necrosis. Microscopic examination revealed neoplastic cells with intercellular bridges, premature KERATINization and a diffuse invasion to the connective stroma of PALPEBRAl CONJUNCTIVA. There was no epithelial KERATIN pearls formation. Special staining revealed some PREKERATIN staining orange colour and a little KERATIN staining brilliant Red. According to location, gross and microscopic characteristics, the mass was diagnosed as low grade differentiated ocular SQUAMOUS CELL CARCINOMA. Clinical implications: In SQUAMOUS CELL CARCINOMAs, the decrease in DIFFERENTIATION usually is associated with decrease in the function and increase in metastasis, invasion and malignancy. Grading of the tumors by proper methods like special staining is necessary for medical and surgical proposes and proper diagnosis.

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  • Cite

    APA: Copy

    NOUR MOHAMMADZADEH, F., ASHRAFI HALAN, J., ALIDADI, N., GHARA GHOZLOU, MOHAMMAD JAVAD, & NAGHSHINEH, R.. (2003). LOW GRADE DIFFERENTIATED OCULAR SQUAMOUS CELL CARCINOMA IN A COW (A CASE REPORT). JOURNAL OF VETERINARY RESEARCH, 58(1), 67-71. SID. https://sid.ir/paper/35086/en

    Vancouver: Copy

    NOUR MOHAMMADZADEH F., ASHRAFI HALAN J., ALIDADI N., GHARA GHOZLOU MOHAMMAD JAVAD, NAGHSHINEH R.. LOW GRADE DIFFERENTIATED OCULAR SQUAMOUS CELL CARCINOMA IN A COW (A CASE REPORT). JOURNAL OF VETERINARY RESEARCH[Internet]. 2003;58(1):67-71. Available from: https://sid.ir/paper/35086/en

    IEEE: Copy

    F. NOUR MOHAMMADZADEH, J. ASHRAFI HALAN, N. ALIDADI, MOHAMMAD JAVAD GHARA GHOZLOU, and R. NAGHSHINEH, “LOW GRADE DIFFERENTIATED OCULAR SQUAMOUS CELL CARCINOMA IN A COW (A CASE REPORT),” JOURNAL OF VETERINARY RESEARCH, vol. 58, no. 1, pp. 67–71, 2003, [Online]. Available: https://sid.ir/paper/35086/en

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