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KMID : 0882420090770030328
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Korean Journal of Medicine
2009 Volume.77 No. 3 p.328 ~ p.332
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Clinical characteristics of bladder cancer identified by multi-detector computed tomography in patients with asymptomatic isolated hematuria
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Yoon Hye-Eun
Kim Byung-Soo
Shin Young-Shin
Chung Hyun-Wha
Kim Yong-Kyun
Shin Seok-Joon
Kim Young-Ok
Song Ho-Cheol
Kim Yong-Soo
Choi Euy-Jin
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Abstract
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Background/Aims: This report discusses the frequency and clinical characteristics of bladder cancer diagnosed with multi-detectorcomputed tomography (MDCT) in outpatients visiting a nephrology and urology clinic with asymptomatic isolatedhematuria.
Methods: MDCT was performed on outpatients who presented to the nephrology and urology clinic at the Holy Family Hospitalof the Catholic University of Korea with asymptomatic isolated hematuria from January 2005 to December 2007.
Results: Of the 1,819 patients who underwent MDCT, the results were normal in 54.1%, showed a simple renal cyst in 25.7%, a renal calculus in 4.7%, and a malignant tumor of the urinary tract in 1.7%. Twenty-five patients (1.3%) were diagnosed with bladder cancer, including 20 (80%) men and 5 (20%) women. The average age of the patients with bladder cancer was 74.5±7.3 years. The 25 patients diagnosed with bladder cancer had a higher rate of gross hematuria, older age, and male gender (p<0.05) compared to the other patients. In addition, their hemoglobin and albumin levels were significantly lower (p<0.05). For all patients, the frequency of bladder cancer in those with asymptomatic microscopic hematuria, excluding those with gross hematuria, was extremely low (0.3%, 6 patients).
Conclusions: MDCT may constitute an adequate diagnostic test for patients with asymptomatic hematuria. Older male patients with gross hematuria require a thorough urologic evaluation.
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KEYWORD
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Tomography, Computed, Hematuria, Urinary bladder neoplasms
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