ABSTRACT
Basal ganglia calcification has been observed in autopsy material of 7% of children suffering from Down's Syndrome. The incidence of this finding in the general neurological population is approx. 0.3%. The present report is the first case of Down's Syndrome with basal ganglia calcification diagnosed in life by computed axial tomography. This case illustrates that dense basal ganglia calcification can exist with no signs or symptoms of a movement disorder.
Subject(s)
Basal Ganglia/diagnostic imaging , Calcinosis/diagnostic imaging , Down Syndrome/diagnostic imaging , Adolescent , Brain Diseases/diagnostic imaging , Brain Diseases/etiology , Calcinosis/etiology , Down Syndrome/complications , Female , Humans , Tomography, X-Ray ComputedABSTRACT
Trauma to the extremities is sometimes dismissed as relatively unimportant in certain radiologic circles. In many instances, radiologic responsibility is denied and relegated to the orthopedist. Although the radiologic manifestations of much trauma to the extremities is clear cut and does not require sophisticated techniques or interpretation, there are many diagnoses which require innovative techniques and a knowledge of mechanisms of injury as well as the subtle oseous and soft tissue manifestations which may be confronted radiologically. The above factors will be stressed along with the need for the fundamental knowledge of radiologic anatomy which is required in order to appreciate some of the more subtle changes of extremity trauma.
Subject(s)
Arm Injuries/diagnostic imaging , Leg Injuries/diagnostic imaging , Ankle Injuries , Epiphyses/injuries , Femoral Fractures/diagnostic imaging , Femoral Neck Fractures/diagnostic imaging , Fibula/injuries , Finger Injuries/diagnostic imaging , Foot Injuries , Fractures, Bone/diagnostic imaging , Hand Injuries/diagnostic imaging , Hip Dislocation/diagnostic imaging , Humans , Humeral Fractures/diagnostic imaging , Joint Dislocations/diagnostic imaging , Knee Injuries/diagnostic imaging , Metacarpus/injuries , Metatarsus/injuries , Monteggia's Fracture/diagnostic imaging , Radiography , Radius Fractures/diagnostic imaging , Shoulder Dislocation/diagnostic imaging , Tibial Fractures/diagnostic imaging , Toes/injuries , Ulna Fractures/diagnostic imaging , Wrist Injuries/diagnostic imagingABSTRACT
Selective cases have been presented to demonstrate the usefulness of computed tomography in disorders of the spine and spinal cord. The osseous structures are more readily demonstrated than the soft tissues. The cord is difficult and inconsistently identified. However, cystic lesions (syringomyelia) may, at times, be demonstrated. The transverse projection of the CT scan is an added benefit in demonstrating bony spinal lesions. The use of metrizamide with faster scanners should improve the usefulness of this technique in evaluating intraspinal lesions.
