Castleman disease is a rare lymphoproliferative disorder of uncertain cause, which most commonly involves mediasinum and rarely affects retroperitoneal, axillay or cervical lymph nodes Authors present CT and MRI finding of a case of Castleman diseas involving cervical lymph nodes. Om CT and MR. there were multiple lymph nodes enlargement with homogeneous enhancement along the bilateral internal jugular and spinal spinal accessory lymph node chain,