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A nerve conduction studies\/electromyogram showed normal motor and sensory velocity conduction with a small amplitude compound motor action potential, indicative of likely axonal damage. Following treatment with carbimazole, the neurological symptoms greatly improved. The authors concluded that the left pyramidal syndrome was secondary to autoimmune free T3-thyrotoxicosis.<\/jats:p>","DOI":"10.1136\/bcr-2017-221322","type":"journal-article","created":{"date-parts":[[2017,8,7]],"date-time":"2017-08-07T10:15:48Z","timestamp":1502100948000},"page":"bcr-2017-221322","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":4,"title":["Reversible and unilateral corticospinal tract disease secondary to autoimmune free-T3-thyrotoxicosis"],"prefix":"10.1136","volume":"2017","author":[{"given":"Carlo","family":"Canepa","sequence":"first","affiliation":[{"name":"Stroke and Neurology, James Paget University Hospital, Norwich, UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ramalingam","family":"Srinivasan","sequence":"additional","affiliation":[{"name":"Department of Endocrinology and Diabetes, James Paget University Hospital, Norwich, UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Abdul","family":"Muhith","sequence":"additional","affiliation":[{"name":"Department of Gastroenterology, James Paget University Hospitals NHS Foundation Trust, Great Yarmouth, UK"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"239","published-online":{"date-parts":[[2017,8,7]]},"reference":[{"key":"2025082805253711000_2017.aug07_1.bcr-2017-221322.1","unstructured":"Bastran JA . 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