Searchable abstracts of presentations at key conferences in endocrinology

ea0049ep163 | Endocrine tumours and neoplasia | ECE2017

Ectopic ACTH-syndrome – 31 consecutive patients from the Helsinki University Hospital

Toivanen Sanna , Leijon Helena , Sane Timo , Schalin-Jantti Camilla

Background: Ectopic ACTH syndrome (EAS) is rare and published series are scarce.Aim: To increase the understanding of EAS we describe 31 consecutive cases in years 1997–2016.Results: Of the 31 patients, 65% (20/31) were women and 35% (11/31) men. Median follow-up was 23 months (0–217). Median age at diagnosis was 62 years (21–78), with peak incidences in age groups 30–39 and 60–69 years. Most patients prese...

ea0090p566 | Adrenal and Cardiovascular Endocrinology | ECE2023

Evaluation of CYP11B2 immunostaining findings and cure rates of primary aldosteronism subtyped by anatomical imaging and functional methods

Viukari Marianna , Leijon Helena , Vesterinen Tiina , Porsti Ilkka , Nevalainen Pasi I. , Matikainen Niina

Background: The best lateralization method to ascertain cure after surgery in unilateral primary aldosteronism (PA) is debated. Risk of persistent of PA in those with non-classical adrenal histopathology remains poorly characterized.Objective: We examined the value of anatomical compared with functional subtyping and the significance of immunohistochemical analysis of CYP11B1 and CYP11B2 for the outcome and histopathological diagnosis of primary aldoster...

ea0063gp195 | Adrenal and Neuroendocrine - Clinical | ECE2019

Evaluation of clinical and biochemical cure and adrenal CYP11B2 and CYP11B1 immunostaining in primary aldosteronism operated after adrenal venous sampling

Matikainen Niina , Nevalainen Pasi I , Soinio Minna , Gomez-Sanchez Celso , Vesterinen Tiina , Leijon Helena

Background: The cure of unilateral primary aldosteronism (PA) after adrenalectomy can result in complete, partial or absent biochemical and clinical improvement1. Histological findings from HE samples are of little assistance in determining if adenoma or hyperplastic adrenal tissue is hormonally overactive. Our aim in the present study was to compare immunohistochemical (IHC) CYP11B1 and CYP11B2 staining in adrenal slices to histological diagnosis based on H&E s...

ea0056p277 | Endocrine tumours and neoplasia | ECE2018

Somatostatin receptors 1 and 5 are novel markers of parathyroid tumor aggressiveness

Storvall Sara , Leijon Helena , Ryhanen Eeva , Louhimo Johanna , Haglund Caj , Schalin-Jantti Camilla , Arola Johanna

Background: Parathyroid carcinoma (PC) is a rare cause of primary hyperparathyroidism (PHPT). Distinguishing PC from other tumours underlying PHPT can be difficult and sometimes malignant diagnosis can be made only after recurrence of the disease. Atypical parathyroid adenomas (APA) have similar histological features as PC but lack signs of invasive growth. The expression of somatostatin receptors (SSTR) 1–5 in parathyroid tumours, commonly expressed in other neuroendocri...

ea0041ep138 | Calcium and Vitamin D metabolism | ECE2016

Increasing incidence of parathyroid carcinoma – a nationwide study

Ryhanen Eeva M , Leijon Helena , Metso Saara , Eloranta Eija , Korsoff Pirkko , Niskanen Leo , Ahtiainen Petteri , Kekalainen Paivi , Tamminen Marjo , Ristamaki Raija , Knutar Otto , Loyttyniemi Eliisa , Heiskanen Ilkka , Valimaki Matti J. , Haglund Caj , Arola Johanna , Schalin-Jantti Camilla

Introduction and design: Parathyroid carcinoma (PC) is a rare endocrine malignancy and the diagnosis is difficult. As the incidence seems to be increasing, we examined all cases diagnosed in our country during years 2000–2011 and compared the results to those of atypical parathyroid (AA; n=28) and parathyroid adenomas (A; n=72). All tissue specimens were re-examined.Results: In 2000–2011, 32 patients were diagnosed with PC in ...