In-Situ Transitional Cell Carcinoma of Urinary Bladder in a Cat
2018
ÖZTÜRK, Hazal | Egeden, Evrim | Egeden, Özlem | Gürel, Aydın
Urinary bladder tumors in cats, unlike in dogs, usually appear outside of the trigonal region as localization. These tumors are confused withurinary tract infections associated with hematuria in a clinical sense. Cytological examination and ultrasound (USG) imaging techniques arevery valuable, but histopathological approach is the golden key. In this case neutered male, mixed, 17-year-old cat was brought to the clinicwith non-obstructive hematuria attacks. A superficial hypoechoic mass located at the apex of the urinary bladder was detected in the USG imagingtechnique. No discernible findings were found by cytological examination. After removal of the suspected area, the biopsy specimen waspresented to the pathology department for histopathological examination. Histopathological examination revealed transitional cells coveringentire surface of the mucosal epithelium and showing growth into the lumen, and they were characterized by mild anisocytosis and anisokaryosis.The patient was diagnosed as in-situ non-papillary, non-infiltrating type of transitional cell carcinoma (in-situ carcioma). These tumorsare quite rare and have better prognosis. The condition of the patient was completely resolved without medical treatment in the postoperativeperiod. When this case report was prepared, 6 months after the operation, there was no recurrence in the patient. Contrary to infiltrative urinarybladder tumors, in-situ carcinoma could be completely cured by surgically, therefore the case was found worthy to be presented.
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