{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,12,22]],"date-time":"2025-12-22T10:34:34Z","timestamp":1766399674544,"version":"3.48.0"},"reference-count":23,"publisher":"Wiley","issue":"12","license":[{"start":{"date-parts":[[2025,11,29]],"date-time":"2025-11-29T00:00:00Z","timestamp":1764374400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Clinical Case Reports"],"published-print":{"date-parts":[[2025,12]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:p>Polycythemia vera (PV) is a chronic myeloproliferative neoplasm characterized by increased erythrocytes and commonly associated with JAK2 mutations. Primary hyperparathyroidism (PHPT), which is often caused by a parathyroid adenoma, is a common cause of hypercalcemia. Although unrelated, a potential association between PV and PHPT has been described in the literature. We report the case of a 41\u2009year\u2010old male presenting with concurrent PV and PHPT due to a parathyroid adenoma. Following parathyroidectomy, the patient's hemoglobin and hematocrit levels normalized without further treatment, suggesting remission of PV. This case report and literature review highlight a possible relationship between the calcium\u2013parathyroid hormone axis and hematopoiesis, providing insight into potential shared pathophysiological mechanisms.<\/jats:p>","DOI":"10.1002\/ccr3.71539","type":"journal-article","created":{"date-parts":[[2025,11,29]],"date-time":"2025-11-29T12:36:36Z","timestamp":1764419796000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Synchronous Primary Hyperparathyroidism and Polycythemia Vera: A Case Report and Literature Review"],"prefix":"10.1002","volume":"13","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-3300-9506","authenticated-orcid":false,"given":"Maryam","family":"Montazeri","sequence":"first","affiliation":[{"name":"Razi Clinical Researches Development Mazandaran University of Medical Science  Sari Iran"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9419-9238","authenticated-orcid":false,"given":"Pooria","family":"Sobhanian","sequence":"additional","affiliation":[{"name":"Faculty of Medicine Mazandaran University of Medical Sciences  Sari Iran"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6569-7222","authenticated-orcid":false,"given":"Seyed Mohammad","family":"Sakhaei","sequence":"additional","affiliation":[{"name":"Department of Radiology, School of Medicine Mazandaran University of Medical Sciences  Sari Iran"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2193-0608","authenticated-orcid":false,"given":"Homina","family":"Saffar","sequence":"additional","affiliation":[{"name":"Faculty of Medicine Mazandaran University of Medical Sciences  Sari Iran"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2025,11,29]]},"reference":[{"key":"e_1_2_14_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.leukres.2023.107033"},{"key":"e_1_2_14_3_1","doi-asserted-by":"publisher","DOI":"10.3390\/biom12020291"},{"key":"e_1_2_14_4_1","doi-asserted-by":"publisher","DOI":"10.1001\/archinte.1981.00340070131030"},{"key":"e_1_2_14_5_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-0609.1992.tb00923.x"},{"key":"e_1_2_14_6_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.surg.2004.03.018"},{"key":"e_1_2_14_7_1","doi-asserted-by":"publisher","DOI":"10.4068\/cmj.2012.48.2.128"},{"key":"e_1_2_14_8_1","doi-asserted-by":"publisher","DOI":"10.1007\/s12185-014-1668-x"},{"key":"e_1_2_14_9_1","doi-asserted-by":"publisher","DOI":"10.1159\/000507362"},{"key":"e_1_2_14_10_1","doi-asserted-by":"publisher","DOI":"10.4103\/joah.joah_61_20"},{"key":"e_1_2_14_11_1","first-page":"6","article-title":"Improvement in Polycythaemia Vera After Parathyroidectomy for Primary Hyperparathyroidism","volume":"1","author":"Sthaneshwar P.","year":"2022","journal-title":"Singapore Medical Journal"},{"key":"e_1_2_14_12_1","doi-asserted-by":"publisher","DOI":"10.1038\/s41375-021-01401-3"},{"key":"e_1_2_14_13_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.0954-6820.1949.tb09559.x"},{"key":"e_1_2_14_14_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.mpmed.2025.07.010"},{"issue":"20","key":"e_1_2_14_15_1","first-page":"2391","article-title":"The 2016 Revision to the World Health Organization Classification of Myeloid Neoplasms and Acute Leukemia","volume":"127","author":"Arber D. 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