What question did this study set out to answer?

To determine the prognostic significance of tumor morphology, stage, size, cell type, and nuclear grade in predicting distant metastasis after nephrectomy.

October 1, 1982The American Journal of Surgical Pathology

Prognostic significance of morphologic parameters in renal cell carcinoma

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Authors

SFSusan FuhrmanOhioHealth LLLarry C. LaskyRutgers, The State University of New Jersey CLCatherine LimasUniversity of Minnesota

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Implication

Retrospective cohort study reveals nuclear grade strongly predicts metastasis in renal cell carcinoma, highlighting its primary value in early-stage prognosis.

Key Points

To determine the prognostic significance of tumor morphology, stage, size, cell type, and nuclear grade in predicting distant metastasis after nephrectomy.
Retrospective analysis of pathologic specimens from 103 patients diagnosed with renal cell carcinoma between 1961 and 1974.
Tumors were classified by pathologic stage, size, cell architecture, cell type (clear vs granular), and a 4-tier nuclear grade based on nuclear size, irregularity, and nucleolar prominence.
Among 45 patients with Stage I disease, nuclear grade 1 tumors had a 0% metastatic rate at ≥5 years compared to 50% in higher-grade tumors, with significant differences between grades 1 and 2.
Clear cell tumors exhibited a lower metastatic rate than granular cell tumors (38% vs 71%), which corresponded to a lower proportion of high grades (5% of grade 3–4 tumors were clear cell vs 57% granular cell).
Nuclear grade was the most powerful predictor of metastasis following nephrectomy, whereas tumor size had minimal prognostic utility in Stage I cases.

Cite This Study

Fuhrman et al. (1982) studied this question.

synapsesocial.com/papers/6a0cf1a1d69d74dc6d0ce552 https://doi.org/10.1097/00000478-198210000-00007

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Implication

Retrospective cohort study reveals nuclear grade strongly predicts metastasis in renal cell carcinoma, highlighting its primary value in early-stage prognosis.

Prognostic significance of morphologic parameters in renal cell carcinoma

Discussion

Member takes

Implication

Key Points

Cite This Study

Prognostic significance of morphologic parameters in renal cell carcinoma

Discussion

Member takes

Implication

Key Points

Cite This Study

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