Original Research Paper

Role Of Computed Tomography Scan In Urinary Bladder Carcinoma Staging And Selection Of Appropriate Management Modality

Abstract :

Background: Urinary bladder carcinoma is a common malignant tumor of the urinary tract and its management depends on the stage of the lesions. The aim of this prospective study was to determine the accuracy of computed tomography (CT) scan in early detection of muscle invasion, local tumor staging of urinary bladder carcinoma. Forty patients with urinary bladder mass lesions were evaluated with Multidetector Computed Tomography (MDCT) (SIEMENS SOMATOM DEFINITION AS 128 slice CT machine) and then patients underwent for conventional cystoscopy and TURBT/TUR biopsy/Radical cystectomy with soft tissue biopsy/specimen sent for histopathological examination.Results:On CT diagnosis of muscle invasive (T2,T3,T4) from non muscle invasive (T1) has sensitivity, specificity, positive predictive value, negative predictive value and accuracy 87.1%, 77.8%, 93.1%, 63.6% and 85.0% respectively. Diagnosis of invasion of perivesical fat, locally invasive bladder tumor(T3,T4) from non locally invasive (T1,T2) has sensitivity, specificity, positive predictive value, negative predictive value and accuracy 85.7%, 100%, 100%, 86.4% and 92.5% respectively.. Conclusion:The results of our study and previously published studies suggest a high reliability of MDCT imaging for the diagnosis and proper staging of bladder carcinoma for choosing appropriate management modality.

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