CT analysis of metastatic neoplasms of the kidney: Comparison with primary renal cell carcinoma

H. Honda, C. E. Coffman, K. S. Berbaum, T. J. Barloon, K. Masuda

    研究成果: Contribution to journalArticle査読

    3 被引用数 (Scopus)

    抄録

    The CT findings in 32 patients with pathologically proven metastases to the kidney were compared to findings in 74 patients with renal cell carcinoma. Fourteen CT criteria were chosen to describe and characterize the lesions and 2 radiologists evaluated the CT images retrospectively according to these criteria. Renal metastases were characterized as small, multiple, bilateral, wedge-shaped, less exophytic, and located within the renal capsule. Renal cell carcinomas were single, unilateral, nonwedge-shaped, and exophytic, and easily transgressed the renal capsule. The sensitivity of CT to discriminate renal cell carcinoma from renal metastasis was 93.2% for renal cell carcinoma, and to discriminate renal metastasis from renal cell carcinoma was 75.0% for renal metastases by computer posterior probabilities. This study indicates that CT is useful for distinguishing these clinically important tumors. By using posterior probability, some unnecessary biopsies may be avoided.

    本文言語英語
    ページ(範囲)39-44
    ページ数6
    ジャーナルActa Radiologica
    33
    1
    DOI
    出版ステータス出版済み - 1 1 1992

    All Science Journal Classification (ASJC) codes

    • 放射線技術および超音波技術
    • 放射線学、核医学およびイメージング

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