{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,19]],"date-time":"2026-08-19T19:42:40Z","timestamp":1787168560145,"version":"build-2736575974"},"reference-count":25,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2006,4,17]],"date-time":"2006-04-17T00:00:00Z","timestamp":1145232000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["World j. surg."],"published-print":{"date-parts":[[2006,5]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Introduction<\/jats:title>\n                    <jats:p>Disseminated tumor cells in the connective tissue (CT\u2010DTCs) do not have any connection to a primary tumor or the lymph nodes. They are identified quite often in patients with medullary thyroid carcinoma (MTC), but nothing is known regarding their prognostic significance.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>Among 450 patients with MTC, 69 (15%) were identified as having CT\u2010DTCs. A case\u2010control group of patients without CT\u2010DTCs was selected. The two groups were matched concerning TNM classification, age, heredity, and sex. Because many patients with CT\u2010DTCs had extrathyroidal tumor extension (pT4 category), distant metastases (M1 category), or both, only 35\u00a0matched pairs could be identified. The TNM classification in both groups was as follows: pT1, n = 8; pT2, n = 15; pT3, n = 4; pT4, n = 8; pN0, n = 4; pN1, n = 31; M0, n = 30; M1, n = 5. The mean age was 46.8 \u00b1 17.0 years in the CT\u2010DTC group and 44.4 \u00b1 15.0 years in the case\u2010control group (NS).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      In both groups, 23 patients had sporadic MTC, and 12 patients had hereditary MTC. Neither mean basal preoperative nor postoperative calcitonin levels differed significantly between the two groups. In contrast, none of the patients with CT\u2010DTCs was biochemically cured (normal calcitonin level after pentagastrin stimulation) compared to eight patients without CT\u2010DTCs (\n                      <jats:italic>P<\/jats:italic>\n                      &lt; 0.005). The two groups did not differ concerning other parameters (basal calcitonin level &gt;3000 pg\/ml, more than 10 lymph node metastases, more than two involved locoregional lymph node compartments, mediastinal lymph node metastases) that have been reported to correlate with the lack of or almost (&lt;10%) lack of biochemical cure.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>In patients with MTC, disseminated tumor cells in the connective tissue correlate with advanced tumor stages and appear to be of prognostic significance.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1007\/s00268-005-0367-4","type":"journal-article","created":{"date-parts":[[2006,4,19]],"date-time":"2006-04-19T03:51:28Z","timestamp":1145418688000},"page":"847-852","source":"Crossref","is-referenced-by-count":11,"title":["Prognostic Significance of Disseminated Tumor Cells in the Connective Tissue of Patients with Medullary Thyroid Carcinoma"],"prefix":"10.1002","volume":"30","author":[{"given":"Oliver","family":"Gimm","sequence":"first","affiliation":[{"name":"Department of General, Visceral, and Vascular Surgery Martin\u2010Luther\u2010University Halle\u2010Wittenberg Ernst\u2010Grube\u2010Strasse 40 06097 Halle\/Saale Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Viola","family":"Heyn","sequence":"additional","affiliation":[{"name":"Department of General, Visceral, and Vascular Surgery Martin\u2010Luther\u2010University Halle\u2010Wittenberg Ernst\u2010Grube\u2010Strasse 40 06097 Halle\/Saale Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ulf","family":"Krause","sequence":"additional","affiliation":[{"name":"Institute of Pathology Martin\u2010Luther\u2010University Halle\u2010Wittenberg Ernst\u2010Grube\u2010Strasse 40 06097 Halle\/Saale 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