Medically reviewed by William Truswell, MD A lump behind the ear can have many possible causes. The most common include ...

"Our findings suggest that, in the condition of negative sentinel lymph nodes, omitting pelvic lymphadenectomy does not ...

Occipital lymph nodes are those found on the back of your head. If the swollen nodes are located on the neck below the ear, healthcare professionals may call them posterior cervical lymph nodes.

Certain immune cells in MS show abnormalities in activity and signs of reactions against the Epstein-Barr virus, a study says ...

Epstein-Barr virus (EBV) infection is a recognized risk factor that is now regarded as a prerequisite for the development of multiple sclerosis (MS). Recently, significant advances have been made in ...

We report 28 patients (20 male) with a syndrome characterized by abrupt onset of fever, malaise, aphthous stomatitis, tonsillitis, pharyngitis, and cervical adenopathy (PFAPA syndrome).