期刊
MODERN PATHOLOGY
卷 34, 期 9, 页码 1634-1650出版社
ELSEVIER SCIENCE INC
DOI: 10.1038/s41379-021-00820-y
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The classification of adenohypophysial neoplasms as pituitary neuroendocrine tumors (PitNETs) reflects their characteristics as epithelial neuroendocrine neoplasms with a spectrum of clinical behaviors. Tumor growth and hormone hypersecretion can cause significant morbidity and mortality in patients. The intense study of PitNETs has provided important information about the importance of cellular differentiation in tumor prognosis.
The classification of adenohypophysial neoplasms as pituitary neuroendocrine tumors (PitNETs) was proposed in 2017 to reflect their characteristics as epithelial neuroendocrine neoplasms with a spectrum of clinical behaviors ranging from small indolent lesions to large, locally invasive, unresectable tumors. Tumor growth and hormone hypersecretion cause significant morbidity and mortality in a subset of patients. The proposal was endorsed by a WHO working group that sought to provide a unified approach to neuroendocrine neoplasia in all body sites. We review the features that are characteristic of neuroendocrine cells, the epidemiology and prognosis of these tumors, as well as further refinements in terms used for other pituitary tumors to ensure consistency with the WHO framework. The intense study of PitNETs has provided information about the importance of cellular differentiation in tumor prognosis as a model for neuroendocrine tumors in different locations.
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