Searchable abstracts of presentations at key conferences in endocrinology
Endocrine Abstracts (2016) 41 EP631 | DOI: 10.1530/endoabs.41.EP631

ECE2016 Eposter Presentations Endocrine tumours and neoplasia (68 abstracts)

Clinical characteristics, survival and prognostic factors of patients with adrenocortical carcinoma: a tertiary centre experience

Valentina Elezovic , Djuro Macut , Sanja Ognjanovic , Tatjana Isailovic , Bojana Popovic , Ivana Bozic Antic , Tamara Bogavac , Dusan Ilic & Svetozar Damjanovic


Clinic of Endocrinology, Diabetes and Metabolic Disease, Clinical Center of Serbia, Belgrade, Serbia.

Adrenocortical carcinoma (ACC) is rare malignancy associated with poor prognosis. The aim of this study was to present clinical characteristics and survival of patients with ACC and to analyse the effect of prognostic factors on survival.

We retrospectively analysed 69 patients (46 female and 23 males) with pathologically confirmed ACC who were treated in our hospital between January 2005 and December 2015. The median age at diagnosis was 51,0 years (range 14–74), mean tumour size was 11.3 cm (range 3.1–30 cm) and median follow up duration was 36 month (range 3–240). Patients with hormone secreting ACC (43.5%) mainly presented with isolated Cushing’s (21.7%), or combined with hyperandrogenism (20.3%); 56.5% of patients had non-functioning tumour. The group included 50% low-stage tumours (4 stage I, 29 stage II) and 50% high-stage tumours (no stage III, 33 stage IV). Metastatic disease was present in 33% of patient at the time of diagnosis and 39% had acquired metastasis. Surgical resection was performed in 89.9% of patients; 78.9% of patients were treated with mitotane, and 24% with chemotherapy. Median overall survival (OS) was 71 months (95%CI 41-100) with 5 year OS 51% (75.1% in stage II, 26% in stage IV). The 5-year OS for hormone secreting and nonsecreting tumours were 33% and 62%. Median disease free survival was estimated 6 months (95%CI 0–12). The results of univariante Cox regression analysis showed that gender, age and tumour secretory activity were significant variables with patient survival and surgical resection, disease stage and presence of metastatic disease at the diagnosis were highly significant. The results of multivariate Cox regression analysis showed that the surgical treatment (HR-7.16, 95%CI=1.48-34.55, P=0.014), age (HR-0.409, 95%CI=0.177-0.947, P=0.037), and presence of metastatic disease at the time of diagnosis (HR-0.217, 95%CI=0.101-0.729, P=0.010) were independent prognostic factors for survival.

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