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Macroscopic and Microscopic Study of Cutaneous-Mucosal Papilloma in Gold Sailfin Catfish (Pterygoplichthys joselimaianus Weber, 1991)
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Hooman Rahmati-Holasoo   , Sara Shokrpoor * , Samansa Salehi , Reza Nahavandi |
| Department of Pathology and Clinical Pathology, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran |
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Abstract: (31 Views) |
| Different types of skin tumors such as squamous cell carcinoma, basal cell carcinoma, papilloma, and melanoma have been reported in fish. Epidermal tumors, often benign, are the most common neoplasms observed in fish. A gold spot Plecostomus was referred to clinic due to the growth of cauliflower-shaped and raised mass in the mucocutaneous junction of the upper lip. After the fish was anesthetized, initial clinical examinations were performed. No parasites were observed in the skin and gills of the fish. Finally, the entire mass was surgically removed and in 10% neutral buffered formalin sent to the pathology laboratory for histopathological examination. The prepared tissue sections were examined with a light microscope. According to clinical and histopathological findings, the mass was diagnosed as a papilloma. Based on fish owner information, there was no recurrence of the mass after 4 months of surgery and the general condition of the fish was good. The cause of papilloma is unknown, and in some cases, it is thought to be caused by viruses, chemical pollutants, stress, and high humidity. |
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| Keywords: gold spot Plecostomus, Tumor, Pathology, Papilloma |
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Type of Study: Research |
Subject:
Special
Received: 2026/01/4 | Accepted: 2026/03/30
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