Endocrine Abstracts

Clinically non-functioning pituitary adenomas account for about one-third of pituitary tumors. The majority of them are pathologically classified as gonadotropinomas or null-cell adenomas without hormonal expression. The rest represent silent corticotroph adenomas and plurihormonal tumors. Conservative therapy with dopamine agonists and somatostatine analogues is effective in some cases only depending on the expression of somatostatine (SSTR) and dopamine 2 receptors (D2R).</p...

Introduction: Activating point mutations in the RAS genes (H-RAS, K-RAS, N-RAS) are reported in thyroid tumors. The aim of this study was to determine the frequency of RAS mutations in 98 patients with thyroid tumors.Methods: DNA was extracted from 72 fresh frozen thyroid samples and 26 paraffin-embedded formalin-fixed samples. The cohort contained 83 PTCs (56 FVPTCs, 14 mixed follicular-classical types, 11 classical variants and two other rare variants)...

Acromegaly is frequently diagnosed late and pituitary macroadenoma is revealed in the majority of patients. Treatment usually needs combination of several treatment modalities to suppress the disease activity. Efficacy of our treatment of acromegaly was not analysed till now.Aim: First analysis of the diagnostics of acromegaly, efficacy of treatment, its complications and status of acromegaly patients in six tertiary referral centers in the Czech Republi...