{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,29]],"date-time":"2026-09-29T20:41:13Z","timestamp":1790714473630,"version":"4.1.0"},"reference-count":6,"publisher":"Wiley","license":[{"start":{"date-parts":[[2012,1,1]],"date-time":"2012-01-01T00:00:00Z","timestamp":1325376000000},"content-version":"unspecified","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/3.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Case Reports in Endocrinology"],"published-print":{"date-parts":[[2012]]},"abstract":"<jats:p>Thyroglobulin gene mutation is a rare cause of congenital hypothyroidism, but thyroglobulin gene mutations are thought to be associated with thyroid cancer development. A 21-year-old Japanese man treated with levothyroxine for congenital hypothyroidism had an enlarged thyroid gland with undetectable serum thyroglobulin despite elevated serum TSH level. The patient was diagnosed with thyroglobulin gene mutation, with compound heterozygosity for Gly304Cys missense mutation and Arg432X nonsense mutation. Ultrasonography showed a hypovascular large tumor in the left lobe that appeared as a cold nodule on thyroid scintigraphy. He underwent total thyroidectomy, but pathological study did not reveal findings of thyroid carcinoma, but rather a hyperplastic nodule with hemorrhage. Strong cytoplasmic thyroglobulin immunostaining was observed, but sodium iodide symporter immunostaining was hardly detected in the hyperplastic nodule. The clinical characteristics of patients with thyroglobulin gene mutations are diverse, and some patients are diagnosed by chance on examination of goiter in adults. The presence of thyroid tumors that appear as cold nodules on thyroid scintigraphy should consider the potential for thyroid carcinoma, if the patient has relatively low serum thyroglobulin concentration in relation to the degree of TSH without thyroglobulin autoantibody.<\/jats:p>","DOI":"10.1155\/2012\/280319","type":"journal-article","created":{"date-parts":[[2012,6,4]],"date-time":"2012-06-04T11:30:53Z","timestamp":1338809453000},"page":"1-4","source":"Crossref","is-referenced-by-count":7,"title":["Thyroglobulin Gene Mutation with Cold Nodule on Thyroid Scintigraphy"],"prefix":"10.1155","volume":"2012","author":[{"given":"Toshio","family":"Kahara","sequence":"first","affiliation":[{"name":"Department of Internal Medicine, Toyama Prefectural Central Hospital, 2-2-78 Nishinagae, Toyama, Toyama 930-8550, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Noboru","family":"Igarashi","sequence":"additional","affiliation":[{"name":"Department of Pediatrics, Toyama Prefectural Central Hospital, 2-2-78 Nishinagae, Toyama, Toyama 930-8550, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Akira","family":"Hishinuma","sequence":"additional","affiliation":[{"name":"Department of Clinical Laboratory Medicine, Dokkyo Medical University, 880 Kitakobayashi, Mibu, Shimotsuga, Tochigi 321-0293, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yuko","family":"Nakanishi","sequence":"additional","affiliation":[{"name":"Department of Clinical Pathology, Toyama Prefectural Central Hospital, 2-2-78 Nishinagae, Toyama, Toyama 930-8550, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Akio","family":"Uchiyama","sequence":"additional","affiliation":[{"name":"Department of Clinical Pathology, Toyama Prefectural Central Hospital, 2-2-78 Nishinagae, Toyama, Toyama 930-8550, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Atsuo","family":"Miwa","sequence":"additional","affiliation":[{"name":"Department of Clinical Pathology, Toyama Prefectural Central Hospital, 2-2-78 Nishinagae, Toyama, Toyama 930-8550, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shin","family":"Ishizawa","sequence":"additional","affiliation":[{"name":"Department of Clinical Pathology, Toyama Prefectural Central Hospital, 2-2-78 Nishinagae, Toyama, Toyama 930-8550, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yutaka","family":"Yamamoto","sequence":"additional","affiliation":[{"name":"Department of Thoracic Surgery, Toyama Prefectural Central Hospital, 2-2-78 Nishinagae, Toyama, Toyama 930-8550, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hirofumi","family":"Noto","sequence":"additional","affiliation":[{"name":"Department of Thoracic Surgery, Toyama Prefectural Central Hospital, 2-2-78 Nishinagae, Toyama, Toyama 930-8550, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hisashi","family":"Sumiya","sequence":"additional","affiliation":[{"name":"Department of Radiology, Toyama Prefectural Central Hospital, 2-2-78 Nishinagae, Toyama, Toyama 930-8550, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kazuhide","family":"Ishikura","sequence":"additional","affiliation":[{"name":"Department of Internal Medicine, Toyama Prefectural Central Hospital, 2-2-78 Nishinagae, Toyama, Toyama 930-8550, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rika","family":"Usuda","sequence":"additional","affiliation":[{"name":"Department of Internal Medicine, Toyama Prefectural Central Hospital, 2-2-78 Nishinagae, Toyama, Toyama 930-8550, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hiroyuki","family":"Iida","sequence":"additional","affiliation":[{"name":"Department of Internal Medicine, Toyama 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