Total myelography with radiopaque emulsions.
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Biomedical subjects
Publications and source records attributed to M E Haskin.
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A critical review was made of the CT findings in 300 patients who underwent axial CT of the lumbar spine in which spondylolysis and/or spondylolisthesis had been diagnosed. Findings indicate that axial CT is superior to conventional radiographs in several areas: (1) for consistent and accurate demonstration of spondylolysis, (2) for disclosing the various changes in the apophyseal joints associated with degenerative and reverse spondylolisthesis, and (3) for uncovering minimal degrees of spondylolisthesis by the presence of a pseudobulging disk in many cases with equivocal or negative radiographs. Axial CT is a highly accurate method for diagnosing and evaluating spondylolysis and all types of spondylolisthesis.
Coronal computed tomographic scans of the pituitary gland in 27 normal children, adolescents, and young adults (ages, 8-21 years) and in a comparison group of adults (ages, 24-91 years) were evaluated retrospectively to test the applicability of published criteria for size and configuration of normal adult pituitary glands to younger patients. Statistically significant differences were found between the two groups, indicating that the pituitary gland in adolescents, particularly girls, is larger than in younger or older patients. The authors suggest that pubertal pituitary hyperplasia accounts for these findings. They conclude that standards for normal pituitary glands are probably inappropriate for adolescents.