{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,23]],"date-time":"2026-10-23T21:22:07Z","timestamp":1792790527495,"version":"4.5.0"},"reference-count":23,"publisher":"Journal of Neurosurgery Publishing Group (JNSPG)","issue":"3","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2018,9]]},"abstract":"<jats:p>A parasitic twin represents a rare developmental anomaly in which an asymmetrical, nonviable conjoined twin is attached to the host body at the time of birth. Rachipagus is among the rarest of conjoined twin subtypes and typically features a parasitic twin mass attached at the spine. Herein, the authors review the literature and describe the case of a 9-month-old girl presenting with a rachipagus parasitic twin consisting of a fully developed set of lower extremities originating from the midline upper back. After a complete workup to delineate parasite and autosite anatomy, the parasitic twin mass was successfully excised by a multidisciplinary team of surgeons, and the resulting defect was closed in a single stage.<\/jats:p>","DOI":"10.3171\/2018.3.peds1822","type":"journal-article","created":{"date-parts":[[2018,6,8]],"date-time":"2018-06-08T13:55:32Z","timestamp":1528466132000},"page":"313-316","source":"Crossref","is-referenced-by-count":4,"title":["Parasitic rachipagus conjoined twin: case report"],"prefix":"10.3171","volume":"22","author":[{"given":"Nima","family":"Khavanin","sequence":"first","affiliation":[{"name":"Department of Plastic and Reconstructive Surgery, The Johns Hopkins University School of Medicine, Baltimore, Maryland; and"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"John R.","family":"Ruge","sequence":"additional","affiliation":[{"name":"Divisions of Pediatric Neurosurgery,"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Frank A.","family":"Vicari","sequence":"additional","affiliation":[{"name":"Pediatric Plastic Surgery, and"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Eric J.","family":"Belin","sequence":"additional","affiliation":[{"name":"Pediatric Orthopedic Surgery, Advocate Children\u2019s Hospital, Park Ridge, Illinois"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Robert G.","family":"Kellogg","sequence":"additional","affiliation":[{"name":"Divisions of Pediatric Neurosurgery,"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jordan P.","family":"Steinberg","sequence":"additional","affiliation":[{"name":"Department of Plastic and Reconstructive Surgery, The Johns Hopkins University School of Medicine, Baltimore, Maryland; and"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1754","reference":[{"key":"b1","series-title":"Pediatr Neurosurg","doi-asserted-by":"publisher","first-page":"418","DOI":"10.1159\/000149912","article-title":"Rachipagus parasite associated with myelocystocele and diastematomyelia","volume":"44","author":"Albert G","year":"2008","unstructured":"Albert G, Campos M, Menezes A, Vogel T, Weinstein S: Rachipagus parasite associated with myelocystocele and diastematomyelia. 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