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KMID : 0191120010160030309
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Journal of Korean Medical Science
2001 Volume.16 No. 3 p.309 ~ p.312
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The Value of Cystoscopy as an Initial Diagnostic Modality for Asymptomatic Microscopic Hematuria
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Sung Kyu Hong
Curie Ahn/Hyeon Hoe Kim
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Abstract
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For the patients who visit outpatient clinics due to asymptomatic microscopic hematuria,
cystoscopy has been looked upon as rather invasive compared to other diagnostic methods.
We tried to elucidate the actual diagnostic value of cystoscopy in the initial evaluation
of asymptomatic microscopic hematuria. We reviewed the results of cystoscopic examinations
in 213 patients who visited our hospital due to asymptomatic microscopic hematuria. No
definite lesion that could explain the microscopic hematuria was detected by means of IVP,
urine cytology, and other nephrologic evaluations for all the patients. Among the abnormal
cystoscopic findings in 55 patients, the lesions suspected to be directly related to microscopic
hematuria were classified as ´significant lesions´ (31 patients, 17.6%) which include entities
such as bladder cancer (1.31%). 27 of 31 patients with significant lesions (85.2%) were over
50 yr old, and furthermore, 3 patients who were diagnosed as bladder tumor by cystoscopy were
over 60 yr. Cystoscopy should be utilized as initial diagnostic modality in older patients with
asymptomatic microscopic hematuria to rule out any possibility of bladder cancer occurrence.
Further studies are needed to justify implementation of cystoscopy as an initial diagnostic
modality in younger patients with asymptomatic microscopic hematuria.
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KEYWORD
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