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Due to the female predominance of thyroid disease, hemiagenesis was first thought to be more common in women. Left lobe cases accounts for the majority of instances and isthmus is absent in half the cases. Ultrasonography is the diagnostic tool of choice.<\/jats:p>","DOI":"10.1136\/bcr.03.2010.2864","type":"journal-article","created":{"date-parts":[[2010,8,10]],"date-time":"2010-08-10T11:06:17Z","timestamp":1281438377000},"page":"bcr0320102864","source":"Crossref","is-referenced-by-count":5,"title":["Left thyroid hemiagenesis in a patient with primary hyperparathyroidism: Figure 1"],"prefix":"10.1136","volume":"2010","author":[{"given":"Siddek","family":"Isreb","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Faisal","family":"Alem","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"David","family":"Smith","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"239","published-online":{"date-parts":[[2010,8,10]]},"reference":[{"key":"2025082800331868000_2010.aug06_1.bcr0320102864.1","unstructured":"Handfield-Jones. 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