{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,2,21]],"date-time":"2025-02-21T21:31:57Z","timestamp":1740173517365,"version":"3.37.3"},"reference-count":64,"publisher":"Endocrinology Research Centre","issue":"3","license":[{"start":{"date-parts":[[2023,11,14]],"date-time":"2023-11-14T00:00:00Z","timestamp":1699920000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/www.probl-endojournals.ru\/jour\/about\/editorialPolicies#openAccessPolicy"}],"content-domain":{"domain":["www.probl-endojournals.ru"],"crossmark-restriction":true},"short-container-title":["Probl Endokrinol (Mosk)"],"abstract":"<jats:p>The progressive improvement of the classification using modern analytical methods is an essential tool for the development of precise and personalized approaches to the treatment of pituitary adenomas. In recent years, endocrinologists have witnessed evolutionary changes that have occurred in the histopathological identification of pituitary neoplasms, revealing new possibilities for studying tumorigenesis and predicting biological behavior.<\/jats:p><jats:p>The paper considers the historical aspects of the gradual improvement of the classification of pituitary adenomas, as well as the new international 2022 WHO classification, according to which pituitary adenomas are included in the list of neuroendocrine tumors (PitNETs) to reflect the biological aggressiveness of some non-metastatic pituitary adenomas. The characteristics of pituitary adenoma are presented, as well as a list of histological subtypes of aggressive neuroendocrine tumors of the pituitary gland, marked by the main potentials for invasive growth, an increased risk of recurrence and a negative clinical prognosis.<\/jats:p><jats:p>The expediency of changing the definition of \u00abpituitary adenoma\u00bb to \u00abneuroendocrine tumor\u00bb is discussed. It is emphasized that the introduction of a unified clinical, laboratory and morphological protocol into national clinical practice will help provide comparable comparative studies on the prognosis of the disease and the effectiveness of secondary therapy and also contribute to adequate management of potentially aggressive PitNETs.<\/jats:p>","DOI":"10.14341\/probl13376","type":"journal-article","created":{"date-parts":[[2024,7,15]],"date-time":"2024-07-15T15:09:14Z","timestamp":1721056154000},"page":"31-45","update-policy":"https:\/\/doi.org\/10.14341\/crossmarkpolicy2018","source":"Crossref","is-referenced-by-count":0,"title":["Unification of pathomorphological examination of patients with neuroendocrine tumors of the pituitary gland. Controversial issues of the new classification"],"prefix":"10.14341","volume":"70","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-5045-798X","authenticated-orcid":true,"given":"V. 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M.","family":"Alekseeva","sequence":"additional","affiliation":[{"name":"Endocrinological Dispensary of the Department of Health of the City of Moscow"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6094-3623","authenticated-orcid":true,"given":"E. V.","family":"Pronin","sequence":"additional","affiliation":[{"name":"Endocrinological Dispensary of the Department of Health of the City of Moscow"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4353-6705","authenticated-orcid":true,"given":"A. M.","family":"Lapshina","sequence":"additional","affiliation":[{"name":"Endocrinology Research Centre"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6891-0009","authenticated-orcid":true,"given":"L. 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