{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,1]],"date-time":"2026-03-01T01:04:10Z","timestamp":1772327050225,"version":"3.50.1"},"reference-count":16,"publisher":"American Animal Hospital Association","issue":"3","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2023,5]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:p>A 5 mo old male Japanese chin was examined 1 mo following the sudden onset of pelvic limb weakness and ataxia immediately after microchip placement. Neurological examination revealed an ambulatory paraparesis, which was worse on the right side, with additional weakness noted in the right thoracic limb. Lesion localization was C6\u2013T2 spinal cord segments, worse on the right. Radiographic imaging of the cervical spine revealed a microchip at the location of the C7\u2013T1 intervertebral space. Computed tomography revealed a microchip within the spinal canal causing spinal cord compression at the level of the C7\u2013T1 intervertebral disc space. Surgical removal of the microchip was performed, and the patient recovered well. A 6 wk follow-up neurologic examination showed persistent mild ataxia in the pelvic limbs. This case supports previously reported cases of permanent spinal cord damage caused by microchip placement. Surgical removal of the microchip resulted in the improvement of neurologic signs. Although extraction of the microchip did not resolve all neurologic deficits, surgery prevented further migration and possible damage to the spinal cord.<\/jats:p>","DOI":"10.5326\/jaaha-ms-7357","type":"journal-article","created":{"date-parts":[[2023,5,11]],"date-time":"2023-05-11T13:02:14Z","timestamp":1683810134000},"page":"158-161","source":"Crossref","is-referenced-by-count":2,"title":["Case Report: Microchip Implantation Within the Cervical Spine, a Neurologic Evaluation, and Surgical Correction"],"prefix":"10.5326","volume":"59","author":[{"given":"Breanne","family":"Morrell","sequence":"first","affiliation":[{"name":"From Neurology and Neurosurgery (B.M., K.C.W.), Surgery (C.E.G., J.G.), BluePearl Specialty and Emergency Pet Hospital, San Antonio, Texas."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Charlotte E.","family":"Gillis","sequence":"additional","affiliation":[{"name":"From Neurology and Neurosurgery (B.M., K.C.W.), Surgery (C.E.G., J.G.), BluePearl Specialty and Emergency Pet Hospital, San Antonio, Texas."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Katheryn C.","family":"Wolfe","sequence":"additional","affiliation":[{"name":"From Neurology and Neurosurgery (B.M., K.C.W.), Surgery (C.E.G., J.G.), BluePearl Specialty and Emergency Pet Hospital, San Antonio, Texas."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"James T.","family":"Giles","sequence":"additional","affiliation":[{"name":"From Neurology and Neurosurgery (B.M., K.C.W.), Surgery (C.E.G., J.G.), BluePearl Specialty and Emergency Pet Hospital, San Antonio, Texas."}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"3280","reference":[{"issue":"8","key":"i1547-3317-59-3-158-b1","series-title":"Vet Nursing J","first-page":"26","article-title":"Microchips \u2013 the what, where, and how","volume":"22","year":"2007","unstructured":"Laurence\n              C.\n            \n          \n          Microchips \u2013 the what, where, and how.\n\t\t\t\t\tVet Nursing J2007;\n\t\t\t\t\t22(\n\t\t\t\t\t8):\n\t\t\t\t\t26\u2013\n\t\t\t\t\t7."},{"issue":"2","key":"i1547-3317-59-3-158-b2","series-title":"J Feline Med Surg","first-page":"157","article-title":"Spinal cord injury resulting from incorrect microchip placement in a cat","volume":"9","year":"2007","unstructured":"Platt\n              S,\n            \n            \n              Wieczorek\n              L,\n            \n            \n              Dennis\n              R,\n            \n          \n          .\n\t\t\t\t\tSpinal cord injury resulting from incorrect microchip placement in a cat.\n\t\t\t\t\tJ Feline Med Surg2007;\n\t\t\t\t\t9.\n\t\t\t\t\t2:\n\t\t\t\t\t157\u2013\n\t\t\t\t\t60."},{"issue":"01","key":"i1547-3317-59-3-158-b3","series-title":"Vet Comp Orthopaed","first-page":"63","article-title":"Surgical removal of a microchip from a puppy\u2019s spinal canal","volume":"22","year":"2009","unstructured":"Smith\n              TJ\n            \n            \n              Fitzpatrick\n              N.\n            \n          \n          Surgical removal of a microchip from a puppy\u2019s spinal canal.\n\t\t\t\t\tVet Comp Orthopaed2009;\n\t\t\t\t\t22.\n\t\t\t\t\t01:\n\t\t\t\t\t63\u2013\n\t\t\t\t\t5."},{"issue":"2","key":"i1547-3317-59-3-158-b4","series-title":"Vet Radiol Ultrasound","first-page":"152","article-title":"Imaging diagnosis\u2013spinal injury following aberrant microchip implantation","volume":"49","year":"2008","unstructured":"Hicks\n              DG\n            \n            \n              Bagley\n              RS.\n            \n          \n          Imaging diagnosis\u2013spinal injury following aberrant microchip implantation.\n\t\t\t\t\tVet Radiol Ultrasound2008;\n\t\t\t\t\t49.\n\t\t\t\t\t2:\n\t\t\t\t\t152\u2013\n\t\t\t\t\t3."},{"issue":"03","key":"i1547-3317-59-3-158-b5","series-title":"Vet Comp Orthopaed","first-page":"214","article-title":"Delayed spinal cord injury following microchip placement in a dog","volume":"23","year":"2010","unstructured":"Joslyn\n              SK,\n            \n            \n              Witte\n              PG,\n            \n            \n              Scott\n              HW.\n            \n          \n          Delayed spinal cord injury following microchip placement in a dog.\n\t\t\t\t\tVet Comp Orthopaed2010;\n\t\t\t\t\t23.\n\t\t\t\t\t03:\n\t\t\t\t\t214\u2013\n\t\t\t\t\t7."},{"issue":"1","key":"i1547-3317-59-3-158-b6","series-title":"J Feline Med Surg","article-title":"Recovery after inadvertent intramedullary microchip implantation at C1\u2013C2 in a kitten","volume":"8","year":"2022","unstructured":"Schneider\n              N,\n            \n            \n              Blutke\n              A,\n            \n            \n              Parzefall\n              B.\n            \n          \n          Recovery after inadvertent intramedullary microchip implantation at C1\u2013C2 in a kitten.\n\t\t\t\t\tJ Feline Med Surg2022;\n\t\t\t\t\t8.\n\t\t\t\t\t1:\n\t\t\t\t\t20551169221081398."},{"key":"i1547-3317-59-3-158-b7","series-title":"Piermattei\u2019s atlas of surgical approaches to the bones and joints of the dog and cat.","first-page":"74","year":"2014","unstructured":"Johnson\n              KA.\n            \n          \n          \n            Piermattei\u2019s atlas of surgical approaches to the bones and joints of the dog and cat.\n          \n          5th ed.\n\t\t\t\t\tSt. Louis:\n\t\t\t\t\tElsevier Saunders;\n\t\t\t\t\t2014:\n\t\t\t\t\t74\u2013\n\t\t\t\t\t8."},{"issue":"1","key":"i1547-3317-59-3-158-b8","series-title":"Vet J","first-page":"46","article-title":"Use of visual and permanent identification for pets by veterinary clinics","volume":"201","year":"2014","unstructured":"Dingman\n              PA,\n            \n            \n              Levy\n              JK,\n            \n            \n              Rockey\n              LE,\n            \n          \n          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\n          .\n\t\t\t\t\tSpinal cord injury resulting from incorrect microchip placement in a cat.\n\t\t\t\t\tJ Feline Med Surg2007;\n\t\t\t\t\t9.\n\t\t\t\t\t2:\n\t\t\t\t\t157\u2013\n\t\t\t\t\t60."},{"issue":"01","key":"i1547-3317-59-3-158-b3","series-title":"Vet Comp Orthopaed","first-page":"63","article-title":"Surgical removal of a microchip from a puppy\u2019s spinal canal","volume":"22","year":"2009","unstructured":"Smith\n              TJ\n            \n            \n              Fitzpatrick\n              N.\n            \n          \n          Surgical removal of a microchip from a puppy\u2019s spinal canal.\n\t\t\t\t\tVet Comp Orthopaed2009;\n\t\t\t\t\t22.\n\t\t\t\t\t01:\n\t\t\t\t\t63\u2013\n\t\t\t\t\t5."},{"issue":"2","key":"i1547-3317-59-3-158-b4","series-title":"Vet Radiol Ultrasound","first-page":"152","article-title":"Imaging diagnosis\u2013spinal injury following aberrant microchip implantation","volume":"49","year":"2008","unstructured":"Hicks\n              DG\n            \n            \n              Bagley\n              RS.\n            \n          \n          Imaging diagnosis\u2013spinal injury following aberrant microchip implantation.\n\t\t\t\t\tVet Radiol Ultrasound2008;\n\t\t\t\t\t49.\n\t\t\t\t\t2:\n\t\t\t\t\t152\u2013\n\t\t\t\t\t3."},{"issue":"03","key":"i1547-3317-59-3-158-b5","series-title":"Vet Comp Orthopaed","first-page":"214","article-title":"Delayed spinal cord injury following microchip placement in a dog","volume":"23","year":"2010","unstructured":"Joslyn\n              SK,\n            \n            \n              Witte\n              PG,\n            \n            \n              Scott\n              HW.\n            \n          \n          Delayed spinal cord injury following microchip placement in a dog.\n\t\t\t\t\tVet Comp Orthopaed2010;\n\t\t\t\t\t23.\n\t\t\t\t\t03:\n\t\t\t\t\t214\u2013\n\t\t\t\t\t7."},{"issue":"1","key":"i1547-3317-59-3-158-b6","series-title":"J Feline Med Surg","article-title":"Recovery after inadvertent intramedullary microchip implantation at C1\u2013C2 in a kitten","volume":"8","year":"2022","unstructured":"Schneider\n              N,\n            \n            \n              Blutke\n              A,\n            \n            \n              Parzefall\n              B.\n            \n          \n          Recovery after inadvertent intramedullary microchip implantation at C1\u2013C2 in a kitten.\n\t\t\t\t\tJ Feline Med Surg2022;\n\t\t\t\t\t8.\n\t\t\t\t\t1:\n\t\t\t\t\t20551169221081398."},{"key":"i1547-3317-59-3-158-b7","series-title":"Piermattei\u2019s atlas of surgical approaches to the bones and joints of the dog and cat.","first-page":"74","year":"2014","unstructured":"Johnson\n              KA.\n            \n          \n          \n            Piermattei\u2019s atlas of surgical approaches to the bones and joints of the dog and cat.\n          \n          5th ed.\n\t\t\t\t\tSt. Louis:\n\t\t\t\t\tElsevier Saunders;\n\t\t\t\t\t2014:\n\t\t\t\t\t74\u2013\n\t\t\t\t\t8."},{"issue":"1","key":"i1547-3317-59-3-158-b8","series-title":"Vet J","first-page":"46","article-title":"Use of visual and permanent identification for pets by veterinary clinics","volume":"201","year":"2014","unstructured":"Dingman\n              PA,\n            \n            \n              Levy\n              JK,\n            \n            \n              Rockey\n              LE,\n            \n          \n          .\n\t\t\t\t\tUse of visual and permanent identification for pets by veterinary clinics.\n\t\t\t\t\tVet J2014;\n\t\t\t\t\t201(\n\t\t\t\t\t1):\n\t\t\t\t\t46\u2013\n\t\t\t\t\t50."}],"container-title":["Journal of the American Animal Hospital 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