[abstract] RADIOGRAPHIC IMAGING IN NEUROLOGICAL DECOMPRESSION ILLNESS.

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[abstract] RADIOGRAPHIC IMAGING IN NEUROLOGICAL DECOMPRESSION ILLNESS.

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Title: [abstract] RADIOGRAPHIC IMAGING IN NEUROLOGICAL DECOMPRESSION ILLNESS.
Author: Moon, RE; Massey, EW; Debatin, JF; Sallee, DS; Heinz, ER
Abstract: All patients with neurological decompression illness (DI) evaluated at Duke University Medical Center who had CT or MRI evaluation of their brain or spinal cord were included in this study, a total of 66 patients. Brain MRI scans were performed in 46 patients, CT scans in 17 (5 with IV contrast) and both studies in 8. 24 patients underwent MRI scanning of the spine using surface coils. There were 52 males and 14 females (mean age 34.8 years, range 16 - 59). All patients were classified into B (brain involvement) or S (spinal cord only). CT scans were classified as normal (N), abnormal with lesion probably related to DI (AR) and abnormality probably unrelated to DI (AU), e.g. cerebral atrophy. MRI scans were classified as normal (N), large cortical and subcortical abnormality (AL), small area of increased T2 signal in the centrum semiovale (UBO) or small area of increased T2 signal in a region atypical for UBO (AS). AR on CT or AL on MRI were only observed in the presence of an abnormal neurological exam. In the 8 patients who had both studies 2 of the 6 with normal CT had had either AL or AS on MRI; both individuals with abnormal CT also had an abnormal MRI. [table 1]CT;N,AR,AU; B:6,3,2; S:4,1,1[end table 1] [table 2] MRI; N, AL, AS, UBO; B: 20, 3, 3, 4; S: 12, 0, 1, 3[end table 2] Only 2 individuals had abnormalities detectable within the cord (8.3%). We conclude that CT and MRI are frequently normal in neurological DI. Although statistical significance was not achieved abnormalities appear to be more frequent in the present of B. These two imaging techniques are less sensitive than clinical evaluation in neurological DI.
Description: Abstract of the Undersea and Hyperbaric Medical Society, Inc. Annual Scientific Meeting held June 23-27, 1992. Hyatt Regency Bethesda Hotel, Bethesda, Maryland (http://www.uhms.org)
URI: http://archive.rubicon-foundation.org/6449
Date: 1992

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  • UHMS Meeting Abstracts
    This is a collection of the published abstracts from the Undersea and Hyperbaric Medical Society (UHMS) annual meetings.

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