{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,7]],"date-time":"2026-04-07T08:15:54Z","timestamp":1775549754583,"version":"3.50.1"},"reference-count":47,"publisher":"BMJ","content-domain":{"domain":["bmj.com"],"crossmark-restriction":true},"short-container-title":["BMJ Case Reports"],"accepted":{"date-parts":[[2017,4,19]]},"abstract":"<jats:p>Sacral agenesis is a rare congenital defect which is associated with foot deformities such as congenital talipes equinovarus (CTEV) and less commonly congenital vertical talus (CVT). We report a 3-year-old Caucasian girl who was born with right CTEV and left CVT secondary to sacral agenesis. Her right foot was managed with a Ponseti casting method at 2\u2009weeks, followed by an Achilles tenotomy at 4\u2009months. The left foot was initially managed with a nocturnal dorsi-flexion splint. Both feet remained resistant and received open foot surgery at 10 months producing plantigrade feet with neutral hindfeet. At 19 months, she failed to achieve developmental milestones and examinations revealed abnormal lower limb reflexes. A full body MRI was performed which identified the sacral agenesis. We advocate early MRI of the spine to screen for spinal defects when presented with resistant foot deformities, especially when bilateral.<\/jats:p>","DOI":"10.1136\/bcr-2017-219786","type":"journal-article","created":{"date-parts":[[2017,5,5]],"date-time":"2017-05-05T11:40:22Z","timestamp":1493984422000},"page":"bcr-2017-219786","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":8,"title":["Congenital talipes equinovarus and congenital vertical talus secondary to sacral agenesis"],"prefix":"10.1136","volume":"2017","author":[{"given":"Jonathan James Hyett","family":"Bray","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sebastien","family":"Crosswell","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Rick","family":"Brown","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"239","published-online":{"date-parts":[[2017,5,5]]},"reference":[{"key":"2025042706042166000_2017.may05_1.bcr-2017-219786.1","first-page":"52","article-title":"Sacral agenesis: a clinical evaluation of its management, heredity, and associated anomalies","volume":"139","author":"Andrish","year":"1979","journal-title":"Clin Orthop Relat Res"},{"key":"2025042706042166000_2017.may05_1.bcr-2017-219786.2","doi-asserted-by":"publisher","DOI":"10.2337\/diabetes.51.9.2811"},{"key":"2025042706042166000_2017.may05_1.bcr-2017-219786.3","doi-asserted-by":"crossref","first-page":"806","DOI":"10.1016\/0002-9378(90)91015-5","article-title":"Antenatal diagnosis of sacral agenesis syndrome in a pregnancy complicated by diabetes mellitus","volume":"162","author":"Sonek","year":"1990","journal-title":"Am J Obstet Gynecol"},{"key":"2025042706042166000_2017.may05_1.bcr-2017-219786.4","doi-asserted-by":"crossref","first-page":"743","DOI":"10.1097\/01241398-199111000-00008","article-title":"Caudal regression: a review of seven cases, including the mermaid syndrome","volume":"11","author":"Guidera","year":"1991","journal-title":"J Pediatr Orthop"},{"key":"2025042706042166000_2017.may05_1.bcr-2017-219786.5","doi-asserted-by":"crossref","first-page":"203","DOI":"10.1002\/uog.9739","article-title":"P09.15: Caudal regression syndrome: a case report","volume":"38","author":"Soria","year":"2011","journal-title":"Ultrasound in Obstetrics & Gynecology"},{"key":"2025042706042166000_2017.may05_1.bcr-2017-219786.6","doi-asserted-by":"publisher","DOI":"10.1097\/00003086-197205000-00003"},{"key":"2025042706042166000_2017.may05_1.bcr-2017-219786.7","doi-asserted-by":"publisher","DOI":"10.1097\/01241398-198307000-00007"},{"key":"2025042706042166000_2017.may05_1.bcr-2017-219786.8","doi-asserted-by":"crossref","first-page":"111","DOI":"10.2106\/00004623-195335010-00011","article-title":"Pathological anatomy in talipes equinovarus","volume":"35-A","author":"Flinchum","year":"1953","journal-title":"J Bone Joint Surg Am"},{"key":"2025042706042166000_2017.may05_1.bcr-2017-219786.9","doi-asserted-by":"crossref","first-page":"334","DOI":"10.1302\/0301-620X.38B1.334","article-title":"Congenital vertical talus","volume":"38-B","author":"Osmondclarke","year":"1956","journal-title":"J Bone Joint Surg Br"},{"key":"2025042706042166000_2017.may05_1.bcr-2017-219786.10","unstructured":"Pirani SOH , Sawatzky B , Stothers K . 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