The accuracy of ultrasonography in the diagnosis of superficial bladder tumors in patients presenting with hematuria

Abstract

Ultrasonography has been proposed as the initial test for detection of bladder carcinomas in patients presenting with hematuria, but the accuracy of transabdominal ultrasonography in the diagnosis of superficial bladder carcinoma has not been assessed. We prospectively evaluated 173 patients presenting to the outpatient department with painless hematuria by transabdominal ultrasound and cystoscopy. The tolerability of cystoscopy was also assessed. Of 148 patients who met the inclusion criteria, 39 with bladder carcinoma were identified by cystoscopy as having bladder carcinoma, while 34 were identified by ultrasonography. For ultrasonography, the sensitivity (87.1%), specificity (98.1%), positive predictive value (94.4%) and negative predictive value (95.4%) were good but not as good as cystoscopy. While the tolerability of cystoscopy is relatively low, it is still superior to ultrasonography in the evaluation of the bladder as a possible source of hematuria.

A comparison between transabdominal ultrasonographic and cystourethroscopy findings in adult Sudanese patients presenting with haematuria

“…Low to moderate sensitivity between 50 and 87.1 % and good specificity between 90.4 and 97.1 of US had been reported earlier [19][20][21]. But our finding is very close to (63.4 %) that reported by Lopes et al [22].…”

Imaging findings of atypical leiomyoma of the urinary bladder simulating bladder cancer: a case report and literature review

“…The presence of twinkling sign, hyperechoic rim and marked posterior acoustic attenuation revealed there were stone or calcification foci [9], which led to the misdiagnosis as a bladder stone at first US examination. Although US has a good diagnostic accuracy for focal nodular lesions of the bladder wall, its capability of characterizing focal bladder wall abnormalities is poor [12][13][14]. The result of this case report supports the study by Horstman et al [14].…”

Functioning metastatic paraganglioma of the urinary bladder in a 10-year-old child

“…Ultrasonography is a quick initial tool to confirm the presence, location and size of the tumour 8. The sonographic appearance is usually non-specific irregular mass with low to intermediate echotexture 8. Cystoscopy and tissue biopsy for pathology are still required to make the diagnosis of bladder malignancy.…”