Historical and present concepts of sarcoidosis.
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Biomedical subjects
Publications and source records attributed to J M Beauchamp.
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The diagnosis of subcapsular hematoma of the liver following blunt abdominal trauma has assumed clinical importance with recent reports of improved mortality with conservative management. There is increasing use of hepatic scintigraphy in evaluation of upper abdominal trauma. Two recently observed cases are used to illustrate the typical findings in this entity.
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The "doughnut" sign in brain scanning was originally described in association with certain mass lesions having central necrotic, cystic, or avascular areas. A case in which this pattern occurred as a result of a superficial lesion, a large cephalhematoma, is presented.
A case of positive tracer localization in a benign tumor of the liver on a 67Ga-citrate scan is reported. The authors were unable to find any previous reports of positive localization of gallium in this type of liver tumor.
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