Introduction Gastroenteropancreatic neuroendocrine tumours (GEP NETs) are classified
according to tumour mitotic count or Ki-67 labelling index (LI). Aim (s) To systematically …

Prolactinomas are the most common of the hormone-secreting tumors of the pituitary. There
are many causes of hyperprolactinemia which must be excluded and an imaging procedure …

Gonadotroph tumors, although frequent, are poorly studied and understood, being usually
included in the larger nonfunctioning pituitary neuroendocrine tumors (PitNETs) group …

The gastrointestinal endocrine tumors are neoplastic lesions with often elusive malignant
clinical behavior. The current WHO classification attempted to define a more effective …

Recent developments in the field of endocrine cell biology and pathology at both
morphological and molecular levels are briefly outlined and discussed as a basis for …

Non-functioning pituitary neuroendocrine tumors do not cause endocrine symptoms related
to hypersecretion of adenohypophyseal hormones and are clinically characterized by …

Abstract Background/Aims: Prolactin (PRL) secretion and its gene expression are inhibited
by dopamine. Prolactinomas are the most common secreting pituitary adenomas, and …

BACKGROUND The indications for treatment in female patients with small prolactinomas
and mild or no symptoms are controversial. The aim of this study was to investigate whether …

The tumours of the disseminated/diffuse neuroendocrine cell system are a group of
neoplasms sharing uniformly appearing cells which differ from each other in their biology …

Prolactinomas are benign, sporadic pituitary tumours that typically present with
amenorrhoea and galactorrhoea in women, and hypogonadism and space-occupying …