PT - JOURNAL ARTICLE AU - Regal, Mohamed A. TI - Gigantic enlargement of the thymus gland. DP - 2007 Oct 01 TA - Saudi Medical Journal PG - 1587--1589 VI - 28 IP - 10 4099 - http://smj.org.sa/content/28/10/1587.short 4100 - http://smj.org.sa/content/28/10/1587.full SO - Saudi Med J2007 Oct 01; 28 AB - True massive thymic hyperplasia is a very rare entity, characterized by an increase in the size and weight of the thymus gland, without an apparent cause. Surgery has been required in patients with severe respiratory distress. We present an idiopathic true massive thymic hyperplasia in a 5-month-old boy.