{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,28]],"date-time":"2026-05-28T10:16:02Z","timestamp":1779963362546,"version":"3.53.1"},"reference-count":18,"publisher":"Charles University in Prague, Karolinum Press","issue":"1","license":[{"start":{"date-parts":[[2019,4,1]],"date-time":"2019-04-01T00:00:00Z","timestamp":1554076800000},"content-version":"vor","delay-in-days":90,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2019,4,1]],"date-time":"2019-04-01T00:00:00Z","timestamp":1554076800000},"content-version":"tdm","delay-in-days":90,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/100007397","name":"Univerzita Karlova v Praze","doi-asserted-by":"publisher","award":["PROGRES Q40-14"],"award-info":[{"award-number":["PROGRES Q40-14"]}],"id":[{"id":"10.13039\/100007397","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["actamedica.lfhk.cuni.cz"],"crossmark-restriction":true},"short-container-title":["Acta Med. (Hradec Kralove, Czech Repub.)"],"published-print":{"date-parts":[[2019]]},"abstract":"<jats:p>\n                    Introduction: Preoperative parathyroid imaging is inevitable part of focused parathyroid surgery. The aim of our study was assessment of parathyroid scintigraphy diagnostic accuracy regarding to size and metabolic parameters of hyperfunctioning parathyroid tissue. Material and methods: Parathyroid scintigraphy for suspected primary hyperparathyroidism was performed in 95 patients during years 2015 and 2016. Of them, 75 patients with known clinical outcome (40 underwent surgery, 35 had documented laboratory follow-up) were further retrospectively evaluated. The performance of dual tracer\n                    <jats:sup>99m<\/jats:sup>\n                    Tc-pertechnetate and\n                    <jats:sup>99m<\/jats:sup>\n                    Tc-MIBI subtraction and dual-time-point\n                    <jats:sup>99m<\/jats:sup>\n                    Tc-MIBI imaging with SPECT\/CT was analysed. Serum parathyroid hormone (PTH), calcaemia, ionized calcaemia and phosphataemia and ultrasound detected adenoma volume and largest diameter in false negative and true positive findings were compared using Mann-Whitney test. Results: Sensitivity and specificity of parathyroid scintigraphy was 74.5% and 95.8%, respectively. NPV was 63.8% and PPV 97.4%. Hyperfunctioning parathyroid tissue detectability was almost significantly associated with hypophosphataemia and PTH levels. Conclusion: Parathyroid scintigraphy provides high sensitivity and superior specificity in parathyroid adenoma location, nevertheless the diagnostic accuracy tends to decline in smaller adenomas and in less metabolically active parathyroid tissue causing only subtle biochemical changes.\n                    <jats:sup>18<\/jats:sup>\n                    F-Fluorocholine PET\/CT or 3D SPECT\/CT subtraction should be a reasonable option for those cases.\n                  <\/jats:p>","DOI":"10.14712\/18059694.2019.38","type":"journal-article","created":{"date-parts":[[2019,4,1]],"date-time":"2019-04-01T06:57:37Z","timestamp":1554101857000},"page":"1-5","update-policy":"https:\/\/doi.org\/10.14712\/crossmark-policy","source":"Crossref","is-referenced-by-count":8,"title":["Dual Tracer 99mTc-Pertechnetate\/99mTc-MIBI Dual-Time-Point SPECT\/CT Parathyroid Gland Assessment Regarding to Parathyroid Gland Size and Biochemical Parameters \u2013 Two Years Single Imaging Centre Experience"],"prefix":"10.14712","volume":"62","author":[{"given":"Eva","family":"Kr\u010d\u00e1lov\u00e1","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ji\u0159\u00ed","family":"Hor\u00e1\u010dek","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Edita","family":"Nov\u00e1kov\u00e1","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Miroslav","family":"Cvejn","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Da\u0161a","family":"Lazar\u00e1kov\u00e1","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Radek","family":"Mikuleck\u00fd","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ji\u0159\u00ed","family":"M\u00e1slo","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jitka","family":"\u010cepkov\u00e1","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jan","family":"Til\u0161er","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ji\u0159\u00ed","family":"Dole\u017eal","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"5727","published-online":{"date-parts":[[2019,4,1]]},"reference":[{"key":"18059694.2019.38_1","doi-asserted-by":"crossref","first-page":"604","DOI":"10.36290\/vnl.2017.120","volume":"63","author":"Zaj\u00ed\u010dkov\u00e1","year":"2017","journal-title":"Vnit\u0159 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