Biomedical subjects
Publications and source records attributed to D Foulner.
Thymic calcification is usually associated with a thymic neoplasm. A case is reported in which transient calcification preceded rebound thymic enlargement related to chemotherapy, in an otherwise normal thymus.
Sonographic gallbladder wall thickening is a nonspecific finding with numerous causes. It is uncommon in children and usually associated with disease not localised to the gallbladder. Three paediatric cases of sonographic gallbladder wall thickening in association with acute Hepatitis A are presented. Sonographic resolution, coinciding with clinical improvement, occurred in each case without specific therapy or harmful sequelae.
13 cases of hepatoblastoma and hepatocellular carcinoma are reviewed with respect to the visibility of the tumour margin, hepatic veins, and portal veins on non-contrast, non-dynamic and dynamic computerised scans. In large tumours the accurate interpretation of venous anatomy can be difficult. We found that dynamic scanning followed by a repeat scan of selected slices after a few minutes was the most useful method. If facilities for dynamic scanning are not available then it is suggested that conventional scanning be performed immediately after the intravenous injection so as to avoid the isodense phase of hepatic enhancement.
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