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- Title
Pre-operative Imaging May Overestimate the Kidney Tumor Size.
- Authors
Nasseh, Hamidreza; Falahatkar, Siavash; Ghanbari, Atefeh; Bagheri Chenari, Hossein
- 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.
- Subjects
KIDNEY tumors; PREOPERATIVE period; NEPHRECTOMY; DIAGNOSTIC ultrasonic imaging; MEDICAL radiography; ULTRASONIC imaging; RENAL cell carcinoma; DIAGNOSIS
- Publication
Urology Journal, 2012, Vol 9, Issue 4, p662
- ISSN
1735-1308
- Publication type
Article