{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,16]],"date-time":"2026-06-16T22:45:48Z","timestamp":1781649948875,"version":"3.54.5"},"reference-count":14,"publisher":"BMJ","issue":"3","license":[{"start":{"date-parts":[[2021,3,1]],"date-time":"2021-03-01T00:00:00Z","timestamp":1614556800000},"content-version":"unspecified","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"content-domain":{"domain":["bmj.com"],"crossmark-restriction":true},"short-container-title":["BMJ Case Rep"],"accepted":{"date-parts":[[2021,2,8]]},"published-print":{"date-parts":[[2021,3]]},"abstract":"<jats:p>Congenital contractural arachnodactyly (CCA) is a rare disease with the clinical features of limited extension of multiple joints, arachnodactyly, camptodactyly, thin and long extremities, and so on. In the point of long extremities, CCA resembles Marfan syndrome (MFS). CCA is easily differentiated from MFS after birth due to the flexion of multiple joints, including elbows, knees, hips and fingers. During the fetal period, observation of arachnodactyly and folded fingers by fetal ultrasound is the means of differential diagnosis between these two diseases. We report on a case of CCA diagnosed with prenatal symptoms of long extremities, and introduced physiotherapy in early childhood for a better physical prognosis.<\/jats:p>","DOI":"10.1136\/bcr-2020-237904","type":"journal-article","created":{"date-parts":[[2021,3,1]],"date-time":"2021-03-01T11:09:15Z","timestamp":1614596955000},"page":"e237904","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":1,"title":["Congenital contractural arachnodactyly suspected by abnormally long extremities by fetal ultrasound"],"prefix":"10.1136","volume":"14","author":[{"given":"Ryuta","family":"Miyake","sequence":"first","affiliation":[{"name":"OB\/GYN, Nara Medical University Hospital, Kashihara, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mayuko","family":"Ichikawa","sequence":"additional","affiliation":[{"name":"OB\/GYN, Nara Medical University Hospital, Kashihara, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Katsuhiko","family":"Naruse","sequence":"additional","affiliation":[{"name":"OB\/GYN, Nara Medical University Hospital, Kashihara, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"239","published-online":{"date-parts":[[2021,3,1]]},"reference":[{"key":"2025082803500638000_14.3.e237904.1","doi-asserted-by":"crossref","first-page":"987","DOI":"10.2106\/00004623-197153050-00013","article-title":"Congenital contractural arachnodactyly. 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