Related Experiment Videos
Small renal-cell carcinomas: clinical and imaging features
G F Prati1, P Saggin, L Boschiero
1Department of Surgery, Major Hospital, Verona, Italy.
Urologia Internationalis
|January 1, 1993
Summary
Computed tomography (CT) and ultrasonography (US) aid in detecting small renal cell carcinomas. While CT identified most tumors, US missed some, highlighting the need for advanced imaging in early kidney cancer detection.
Area of Science:
- Urology
- Radiology
- Oncology
Background:
- Small renal tumors (< or = 3 cm) are increasingly detected incidentally.
- Accurate imaging is crucial for diagnosis and treatment planning.
- Understanding the limitations of imaging modalities is essential.
Purpose of the Study:
- To review the clinical, pathological, and imaging characteristics of small renal cell carcinomas.
- To evaluate the detection rates of CT and US for small renal tumors.
- To assess the impact of imaging on surgical management.
Main Methods:
- Retrospective review of 20 patients with 23 pathologically confirmed renal cell carcinomas (<= 3 cm).
- Analysis of CT and ultrasonography (US) findings.
- Correlation of imaging results with pathological confirmation.
Main Results:
- CT identified 86% of tumors; US detected 65% of tumors it was used for.
- CT failed to detect 3 very small tumors (0.4-0.8 cm); US missed 6 tumors.
- Incidental findings were common (17/20 patients).
- Advanced imaging facilitates early detection and intervention.
Conclusions:
- Widespread use of CT and US increases detection of small kidney tumors, enabling earlier surgical intervention.
- Limitations exist in detecting extremely small lesions (<1 cm) with current imaging.
- Surgical options may be influenced by the potential for missed small tumors, favoring nephrectomy in some cases.