Fig. 2From: CT density of cervical thymus, in comparison with mediastinal thymusa, b Non-contrast CT images of neck and thorax of a 15-year-old male patient. c, d Contrast CT images of neck and thorax of a 10-year-old female patient. a Cervical thymus shows density of 35 HU on non-contrast CT. b Mediastinal thymus shows density of 61 HU on non-contrast CT. c Cervical thymus shows density of 46 HU on post-contrast CT. d Mediastinal thymus shows density of 100 HU on post-contrast CTBack to article page