(IMAGE) Tokyo Medical and Dental University Caption Two patients with 18q deletion syndrome present with not only B-cell abnormalities, but also T-cell abnormalities. Credit Department of Child Health and Development, TMDU Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.