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[Renal cell carcinoma associated with circumferential "ring-like" calcification]
Hinyokika Kiyo. Acta Urologica Japonica
|April 1, 1996
Summary
A large kidney calcification in a 37-year-old man was diagnosed as mixed-type renal cell carcinoma. Tumors with calcification may indicate a favorable prognosis, supporting partial nephrectomy or enucleation.
Area of Science:
- Urology
- Nephrology
- Oncology
Background:
- Renal calcifications are common findings during routine health check-ups.
- The association between renal calcification and malignancy is not fully understood.
- Advances in medical imaging aid in differentiating benign from potentially malignant lesions.
Observation:
- A 37-year-old male presented with a large left kidney calcification detected during a health screening.
- Serial computerized tomographic (CT) scans over 3 years showed no change in calcification size.
- Magnetic resonance imaging (MRI) revealed a suspicious lesion associated with the calcification, suggesting a possible tumor.
Findings:
- Surgical enucleation was performed, and histological examination confirmed a mixed-type renal cell carcinoma.
- Renal cell carcinoma (RCC) with calcification is often associated with a favorable prognosis compared to non-calcified RCC.
- The management of calcified RCC, including partial nephrectomy or tumor enucleation, remains a subject of ongoing discussion.
Implications:
- Early detection and characterization of kidney lesions are crucial for timely intervention.
- The presence of calcification in renal tumors may guide treatment decisions and predict outcomes.
- Further research is warranted to elucidate the prognostic significance of calcification in renal cell carcinoma.