Rule of DWI MRI in characterization of enlarged cervical lymph node

Abstract

A lymph node or lymph gland, is an ovoid or kidney-shaped organ of the lymphatic system, and of the adaptive immune system, that is widely present throughout the body. They are linked by the lymphatic vessels as a part of the circulatory system. Lymph nodes are major sites of B and T lymphocytes, and other white blood cells. Lymph nodes are important for the proper functioning of the immune system, acting as filters for foreign particles and cancer cells. Lymphadenopathy or adenopathy is disease of the lymph nodes , in which they are abnormal in size, number, or consistency, lymphadenopathy of an inflammatory type (the most common type) is lymphadenitis, producing swollen or enlarged lymph nodes, infectious lymphadenitides affecting lymph nodes in the neck are often called scrofula Detection of neck lymph nodes and their differentiation into benign or malignant are important especially in patient