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309 Possible Causes for Hyperextension of the Neck, Retroflexion of the Neck

  • Gaucher Disease Type 2

    Gaucher disease type II is characterized by severe developmental delay, cachexia, seizures, horizontal gaze palsy, spasticity, neck retroflexion, opisthotonus, cortical thumbs[ncbi.nlm.nih.gov]

  • Iniencephaly

    Iniencephaly is a rare neural tube defect characterized by extreme retroflexion of the head with the absence of neck due to spinal deformities.[ncbi.nlm.nih.gov] The head was in fixed hyperextension and no neck region was visualized as immediately trunk was visualized, which appeared narrower.[ijri.org] […] of the malformed cervicothoracic spine; and an upward-turned face and mandibular skin directly continuous with that of the chest due to the lack of neck.[ncbi.nlm.nih.gov]

  • Congenital Anomaly of the Spine

    In iniencephaly, dysraphia in the occipital region is accompanied by severe retroflexion of the neck and trunk.[cdc.gov] A Jefferson fracture of the C1 vertebra is usually caused by axial loading of the cervical spine or hyperextension of the neck.[aafp.org] […] of the neck, resulting in a bilateral burst through the posterior arch and lateral masses; patients present with neck pain, normal range of motion, and a normal neurologic[aafp.org]

  • Hypersensitivity

    […] well, even in patients without prior neck pathology.[ncbi.nlm.nih.gov] CONCLUSIONS: Head hyperextension during surgical positioning is not only responsible for jeopardizing blood flow to spinal cord and brainstem but may trigger reflexes, as[ncbi.nlm.nih.gov]

    Missing: Retroflexion of the Neck
  • Whiplash Injury

    The person’s body is thrown forward but the head lags, resulting in hyperextension of the neck.[boneandspine.com] […] can cause a hyperextension-flexion neck injury. • Neck pain is usually due to myofascial or facet injury.[medlink.com] Whiplash was first defined in 1928 as a hyperextension followed by hyperflexion injury of the neck.[understandspinesurgery.com]

    Missing: Retroflexion of the Neck
  • Acalvaria

    In iniencephaly, dysraphia in the occipital region is accompanied by severe retroflexion of the neck and trunk.[cdc.gov] Fetal neck N N * Persistent hyperextension. * Occiput close to or fused with back.[fetalultrasound.com]

  • Fracture

    This complex cervical injury occurred due to hyperextension of the head in a rotated position.[ncbi.nlm.nih.gov] PATIENT CONCERNS: The authors present a case of a 20-year-old male with painful limitation of motion of the neck.[ncbi.nlm.nih.gov] The patient complained of neck pain that radiated to the left shoulder and arm, but he did not exhibit any neurological abnormalities.[ncbi.nlm.nih.gov]

    Missing: Retroflexion of the Neck
  • Teardrop Fracture of the Cervical Spine

    […] of the neck Usually involves C2 Anterior longitudinal ligament inserts on anteroinferior aspect of C2 Fracture of C2 is stable in flexion and unstable in hyperextension Clinical[learningradiology.com] A Jefferson fracture of the C1 vertebra is usually caused by axial loading of the cervical spine or hyperextension of the neck.[aafp.org] Also look carefully at Harris' ring on the lateral projection: Hangman's fracture (traumatic spondylolisthesis) Hyperextension of the neck transmits the force through to the[imageinterpretation.co.uk]

    Missing: Retroflexion of the Neck
  • Hangman's Fracture

    […] of the neck.[commons.wikimedia.org] Since hangings are infrequent in today's society, a more common cause of hyperextension of the neck is a head hitting the steering wheel or windshield of a car.[virtualmedstudent.com] Traumatic spondylolisthesis of the axis, also known as a hangman’s fracture, is caused by hyperextension of the neck.[nejm.org]

    Missing: Retroflexion of the Neck
  • Contusion

    The likely mechanism for the contusion was neck hyperextension during thrusting maneuvers during fiducial implantation.[ncbi.nlm.nih.gov]

    Missing: Retroflexion of the Neck

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