A substantial proportion of lesions under 1 cm were not detected with either modality. Neither CT nor US was superior in the characterization of lesions 3 cm or less. CT and particularly US screening studies in patients with von Hippel-Lindau disease should be interpreted cautiously because missed or mischaracterized small renal lesions are a frequent problem in these patients.

No abstract

The thymus appears to atrophy during the administration of chemotherapy and regrow during the recovery phase of chemotherapy in 90% of the patients studied. Thymic hyperplasia or rebound is a relatively common phenomenon occurring In 25% of patients.The size of the thymus appears to be extremely sensitive to chemotherapy.

No abstract