ECE2015 Eposter Presentations Endocrine tumours (69 abstracts)
Clinic of Endocrinology, Diabetes and Metabolic Diseases, Clinical Center of Serbia, Belgrade, Serbia.
Adrenocortical carcinoma (ACC) is rare malignancy associated with limited treatment options and poor prognosis. The aim of this study is to review clinical characteristics and survival of patients with ACC in single centre. We retrospectively analysed 60 patients (37 female and 23 males) with pathologically confirmed ACC who were treated at our institution between January 2005 and December 2014. Staging was performed according to European Network Study of Adrenal Tumours (ENS@T) criteria. The median age at diagnosis was 49.0 years (range 1474), mean tumour size was 11.3 cm (range 3.130 cm) and median follow up duration was 34 month (range 3179). Patients with hormone secreting ACC (43%) mainly presented with isolated Cushings (20%), or combined with hyperandrogenism (18%) and 57% of patients had non-functioning tumour. The series included 47% low-stage tumours (three stage I, 25 stage II) and 50% high-stage tumours (no stage III, 30 stage IV). At the time of diagnosis 33% of patients had metastasis. Surgical resection was performed in 90% of patients (73% had adrenalectomy, 15% tumour debulking). At 34 patients the median Weiss score was 6 (range 38); proliferation index Ki67 index >10% was in 20/27 patients (median 23.5%, range 265%). Up to January 2012 all patients received adjuvant mitotane treatment after surgical resection, and after that date only those with potential residual disease (R1/Rx resection) or with Ki-67>10%. Since august 2013, plasma mitotane and metabolites levels were measured regularly using HPLC in our institution. Twenty four percent of patients received chemotherapy (EDP 80%, EP 10%, 5FU-DTC-ADM 10%). Median overall survival was 106 months (95%CI 17194) with 5 year overall survival 53% (76% in stage II, 33% in stage IV). Median disease free survival was estimated 14 months (95%CI 820). We presented the overall survival of ACC patients in Serbia, our 10 years experience.