Castlernan disease is a rare lymphoproliferative disorder of uncertain cause, which most commonly involves mediastinum and rarely affects retroperitoneal, axillary or cervical lymph nodes. Authors present CT the and MRI findings of a cases of Castleman disease involving cervical lymph nodes. On CT and MR. There were multiple lymph nodes enlargement with homogeneous enhancement along the bilateral internal jugular and spinal accessory lymph node chain.