What types of adverse reactions can occur during a CTmyelogram procedure

Initially patients may experience discomfort during intrathecal injection of the nonionic water soluble contrast agent. After injection, patients may experience an anaphylactoid (idiosyncratic) reaction (urticaria, facial and laryngeal edema, bronchospasm, hypotension) or a nonidiosyncratic reaction due to the adverse effect of contrast on a specific organ system (nephrotoxicity, cardiac arrhythmia, myocardial ischemia, vasovagal reaction). Specific treatment depends on the exact clinical circumstance.

Figure 12-3. Sagittal CT reformation shows multifo-cal lytic lesions in a patient with multiple myeloma. A pathologic fracture of L4 and lytic lesions in the thoracic spine and sternum are noted. (From Haaga JR, Dogra VS, Forsting M, et al., editors. Haaga: CT and MRI of the Whole Body. 5th ed. St. Louis Mosby; 2008, with permission.)

Figure 12-3. Sagittal CT reformation shows multifo-cal lytic lesions in a patient with multiple myeloma. A pathologic fracture of L4 and lytic lesions in the thoracic spine and sternum are noted. (From Haaga JR, Dogra VS, Forsting M, et al., editors. Haaga: CT and MRI of the Whole Body. 5th ed. St. Louis Mosby; 2008, with permission.)

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