PMID: 8600326May 1, 1995Paper

Myelography, CT scan, electromyography and neurologic examination in the diagnosis of herniated lumbar disk

Lijec̆nic̆ki vjesnik
B KristekS Kurbel

Abstract

The research was carried out at the Clinical Hospital Osijek during a three-year period. Sixty-nine patients (34 men and 35 women) with the diagnosis of lumbar slipped disc who underwent surgery were followed up. The main inclusion criterion was the surgical finding of hernia. The aim of the study was to obtain a clearer insight into the values of the myelography and CT scan by observing a sufficiently large number of patients with surgically verified hernia of lumbar disc. The characteristics of neurological and EMG findings were surveyed, as well. Thirty-one patients were at the age of 40-49 years and 21 were at 30-39 years of age. Only 5 hernias were at the level L3L4, 28 at the level L4L5, and 46 at the level L5S1. Sensitivity, specificity and overall accuracy of the observed parameters were estimated for 41 leftwards and 30 rightwards located hernias. Myelographic finding, regardless of the observed level of slipped disc, showed excellent sensitivity, specificity and accuracy of diagnosis. CT finding was slightly less sensitive at the level L4L5, it was 0.93, and specific at the level L5S1, amounting to 0.90. Its accuracy was not substantially lower than that of myelography. The pathological EMG was 0.88 sensitive, 0.83 sp...Continue Reading

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