Ectopic thymus By Dr.Pavankumar In OTHERS Posted November 28, 2019 Grey scale Color Spectral Patient History : Came with swelling on left side of neck, usg s/o cervical lymphadenopathy, incidentally detected ectopic thymus on right side. Gender:MaleAge:4 year Ectopic thymus gland between right common carotid and internal jugular vein.