The clinical features and prognosis of pancreatic metastasis from renal clear cell carcinoma / 中华胰腺病杂志

ABSTRACT

Objective:To investigate the clinical features and prognosis of patients with pancreatic metastasis from clear cell renal cell carcinoma(CCRCC).Methods:From Jan 2000 to May 2020, the clinical data of patients pathologically diagnosed as CCRCC with pancreatic metastasis and admitted in Cancer Institute and Hospital of Tianjin Medical University were analyzed retrospectively. The gender, age, metastasis time, relapse time, metastatic sites, numbers of metastatic lesions and whether metastatic pancreatic lesions should be surgerically removed were recorded and the influencing factors were analyzed.Results:Among the 20 patients, there were 12 males and 8 females. The median age of diagnosis was 50 years. There were 12 patients(60%) of left renal carcinoma and 8 patients(40%)of the other side. 12 cases(60%) had single pancreatic metastatic lesion and the other 8 cases(40%) had multiple metastatic lesions. Seven patients(35%) had other organs metastasis besides pancreatic metastasis. Two patients(10%) had simultaneous pancreatic metastasis and renal cancer, and the other eighteen patients(90%) had pancreatic metachronous metastasis after being diagnosed as renal cancer. The median time from the diagnosis of CCRCC to pancreatic metastasis was 102 months. Thirteen patients(65%)had recurrences within 10 years and the other seven patients(35%)had recurrences after 10 years. Pancreatectomy was performed in nine patients(45%) and targeted therapy was conducted in thirteen patients. The mean follow-up was 122.9 months (1-256 months). Three patients (15%) died and 17 patients (85%) survived. The median overall survival was 75.9 months, and the 5 year-survival rate was 66.7%. Simultaneous metastasis and extra-pancreatic metastasis were prognostic factors in patients with CCRCC with pancreatic metastasis.Conclusions:Pancreatic metastases from renal clear cell carcinoma were rare, but the prognosis was good, especially in patients with only pancreatic metastases several years after renal carcinoma was diagnosed.