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Hepatic dysfunction in renal carcinoma

M S Fletcher, D A Packham, J P Pryor

British Journal of Urology

|December 1, 1981

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Abnormal liver function tests in renal carcinoma patients may indicate systemic illness, not just liver metastases. Normalizing liver function after surgery significantly improved patient survival.

Area of Science:

Nephrology
Hepatology
Oncology

Background:

Renal carcinoma can present with diverse systemic manifestations.
Liver function abnormalities are observed in some renal carcinoma patients.
Differentiating paraneoplastic liver dysfunction from hepatic metastases is clinically important.

Purpose of the Study:

To investigate the prevalence and clinical significance of liver function test abnormalities in renal carcinoma.
To determine the association between these abnormalities and clinical symptoms.
To assess the impact of nephrectomy on liver function and patient survival.

Main Methods:

Retrospective review of 81 patients diagnosed with renal carcinoma.
Analysis of liver function tests (LFTs) and correlation with clinical data.

Related Experiment Videos

Comparison of survival rates based on LFT status and response to nephrectomy.

Main Results:

42% of patients had abnormal LFTs; 18.5% had 3+ abnormalities without metastases.
Abnormal LFTs were significantly associated with fever, anemia, weight loss, and elevated ESR (P<0.001).
Post-nephrectomy LFT normalization occurred in 5 patients, with median survival of 35 months vs. 8 months for persistent abnormalities (P<0.01).

Conclusions:

Liver function abnormalities in renal carcinoma can be a paraneoplastic phenomenon.
These abnormalities are linked to systemic inflammatory markers and poorer prognosis.
Nephrectomy and subsequent LFT normalization correlate with improved survival in select renal carcinoma patients.