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2.
Minerva Gastroenterol (Torino) ; 68(2): 121-132, 2022 Jun.
Article in English | MEDLINE | ID: mdl-33793163

ABSTRACT

As the clinical applications of endoscopic retrograde cholangiopancreatography (ERCP) and endoscopic ultrasound (EUS) take more and more root in everyday practice and these endoscopic procedures become increasingly more complex and interventional with a higher chance for complications, the demand for expert biliopancreatic endoscopists continues to increase. In response to this growing need, specific postgraduate fellowships have been developed, however the standardization of training programs and the assessment of the achieved competence still remains an open debate. ERCP and EUS competency often requires training beyond the scope of a standard GI fellowship program, which lasts at least 1-2 years, and there are some differences in the way to face the issues of advanced biliopancreatic endoscopy training between Europe, America and the Asian regions. Today there is no role for the self-teaching of ERCP and EUS through trial and error without supervision and, in the near future, it is necessary to critically revise current training guidelines, to establish a standardized curriculum for advanced biliopancreatic endoscopists and to implement universally validated skill assessment tools, able to ensure constant and targeted feedback to trainees.


Subject(s)
Cholangiopancreatography, Endoscopic Retrograde , Clinical Competence , Endoscopy, Gastrointestinal , Endosonography , Fellowships and Scholarships
3.
Tumori ; 96(5): 817-22, 2010.
Article in English | MEDLINE | ID: mdl-21302638

ABSTRACT

Despite the considerable technological advances in imaging modalities which have occurred over the last years, EUS remains one of the most reliable and accurate technique for the study of gastroenteropancreatic neuroendocrine tumors. More specifically, EUS can detect very small lesions, assess the local extent and lymph node involvement and biopsy the lesion for cytophatological confirmation (EUS-FNA). In addition, nuclear medicine imaging has a relevant role in the evaluation of NET. However, its performance depends on series of patient-specific features (lesion size and uptake, depth and other anatomic features; metabolic activity, receptor expression, affinity and vacancy, tissue specificity) and technical features (choice of tracer, administered dose, and physical half-life; instrument sensitivity, acquisition technique, reader experience). In particular, current data show that PET/CT has greater intrinsic resolution and sensitivity than SPECT or SPECT/CT images resulting in improved tumor detection. However, the PET tracer of choice has not yet been identified. 18F-FDG has proved to be useful as indicator of tumor aggressiveness rather than detection of extent of disease, and 68Ga-DOTA-TOC has demonstrated good results in clinical trials. 11C-5HTP has performed well in limited trials, but the 20-min half life of 11C precludes widespread availability. Better information concerning biodistribution and further comparative data of these agent in larger clinical trials are warranted.


Subject(s)
Neuroendocrine Tumors/diagnosis , 5-Hydroxytryptophan , Biopsy, Fine-Needle , Carbon , Contrast Media , Diagnostic Imaging/methods , Dihydroxyphenylalanine/analogs & derivatives , Endosonography , Fluorodeoxyglucose F18 , Gadolinium , Humans , Neuroendocrine Tumors/diagnostic imaging , Positron-Emission Tomography/methods , Radiopharmaceuticals , Sensitivity and Specificity , Tomography, Emission-Computed, Single-Photon/methods , Tomography, X-Ray Computed
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