Pre-operative imaging may overestimate the kidney tumor size.

Abstract:

PURPOSE:To compare the kidney tumor size on radical nephrectomy pathology specimen with size estimated by computed tomography (CT) scan and ultrasonography. MATERIALS AND METHODS:The tumor size on pathology specimen of 40 patients who had undergone radical nephrectomy at our center from March 2003 until March 2009 was compared with pre-operative CT scan and ultrasonography findings. The paired t test was used to compare the means. RESULTS:The participants included 40 patients, 25 men and 15 women, with the mean age of 64.12 ± 10.75 years (range, 42 to 79 years). All tumors were renal cell carcinoma. Mean tumor size on pathology specimen was 6.2 ± 1.1 cm. Mean tumor size estimated by pre-operative CT scan and ultrasonography was 7.34 ± 1.83 cm and 7.4 ± 1.96 cm, respectively (P = .001). Tumor stage did not affect this significant difference. There was not any significant difference between tumor size estimated by CT scan or ultrasonography (P = .39). CONCLUSION:Computed tomography scan and ultrasonography both may overestimate renal tumor size. This point must be considered in clinical staging and treatment selection. Multicenter prospective comparison is suggested.

journal_name

Urol J

journal_title

Urology journal

authors

Nasseh HR,Falahatkar S,Ghanbari A,Bagheri Chenari H

subject

Has Abstract

pub_date

2012-10-01 00:00:00

pages

662-6

issue

4

eissn

1735-1308

issn

1735-546X

pii

1796/687

journal_volume

9

pub_type

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