Abstract

Adrenocortical Carcinoma (ACC) is rare and knowledge on the prognostic factors and survival outcomes is limited.To describe predictors of survival and overall survival (OS) outcomes of ACC.Retrospective review of ACC patients from National Cancer Database (NCDB).Nationwide cancer registry based study.Pathologically confirmed 3185 ACC patients identified from NCDB between 2004 and 2015.Baseline description, survival outcomes, and predictors of survival were evaluated in patients with ACC.Median age at diagnosis of ACC was 55 (range:18-90) years and did not differ by sex or stage of disease at diagnosis. On multivariate analysis, increasing age (p < 0.0001), higher Charlson comorbidity index (p < 0.0001), high tumor grade (p < 0.0001), stage IV disease (p=0.002), no surgical therapy (p < 0.0001), and performance of lymphadenectomy during surgery (p=0.02) were associated with poor prognosis. In stage I-III disease, patients treated with surgical resection had significantly better median OS (63 vs 8 months, p <0.001). In stage IV disease, patients treated with surgery (19 vs 6 months, p < 0.001), and post-surgical radiation (29 vs 10 months, p < 0.001) or chemotherapy (22 vs 13 months, p=0.004) had a better median OS.OS of ACC varied with increasing age, higher comorbidity index, grade and stage of the disease at presentation. In addition, we noted improved survival with surgical resection of primary tumor, irrespective of the stage of the disease though, post-surgical chemo or radiation benefitted only in stage IV disease.

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