نتایج جستجو برای: neuroendocrine tumors
تعداد نتایج: 192594 فیلتر نتایج به سال:
Summary In the last decade, a number of genetic alterations in gastroenteropancreatic neuroendocrine neoplasms (GEP-NENs) have been identified. addition, differences tumor morphology as well proliferation index (Ki-67) or mitoses led to changes classification these neoplasms. According new World Health Organization (WHO) classification, GEP-NENs are now divided into two genetically and prognost...
Neuroendocrine tumors, distinguished from adenocarcinomas by their neuroendocrine differentiation, are the most common pediatric epithelial malignancy that most often occurs in the appendix. In 2010, the WHO classified neuroendocrine neoplasms into three grades based on morphology, mitotic count, and Ki67 proliferation index. A 15-year-old male with a history of anemia and failure to thrive was...
AIMS AND BACKGROUND Carcinoids are infrequent neoplasms arising from neuroendocrine cells. Due to blurred symptoms and the presence of equivocal diagnostic findings, these tumors are sometimes misdiagnosed. Therefore, increased rates of false neuroendocrine tumors represent an emerging problem in clinical practice. Our aim is to alert clinicians on this matter by supplying them with useful warn...
Nalân Utku1* and Ulrich Frank Pape2 1Campus Virchow Institute for Medical Immunology, Institutsgebäude Süd Föhrer, 213353 Berlin, Germany 2Campus Mitte and Virchow, Charité Comprehensive Cancer Center and Gastrophatology2, Charite, Berlin, Germany *Corresponding author: Nalân Utku, Campus Virchow Institute for Medical Immunology, Institutsgebäude Süd Föhrer, 213353 Berlin, Germany; E-mail: nala...
Neuroendocrine tumors may develop throughout the human body with the majority being found in the gastrointestinal tract and bronchopulmonary system. Neuroendocrine tumors are classified according to the grade of biological aggressiveness (G1-G3) and the extent of differentiation (well-differentiated/poorly-differentiated). The well-differentiated neoplasms comprise typical (G1) and atypical (G2...
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