Molecular Any injury sustained from blunt force, which may be related to MVAs, or mishaps, falls or jumps, blows or crush injuries from animals, blunt objects or unarmed assailants. Cf Penetrating trauma. A wound in which the surface of the skin remains intact, caused by impact or collision with a blunt object, e.g., an automobile fender.
Mastoiditis occurs when ear infections cause infection in the mastoid bone. The mastoid bone can be found directly behind the ear. Mastoiditis causes the area behind the ear to swell and protrude out of the skin. The bump behind ear is accompanied with fever, ear pain, hearing loss and ear redness.
Swelling behind the ear is typically a result of an enlarged lymph node. People also refer to this condition as having swollen glands or swollen lymph nodes. Lymph nodes can be found in many places in the body, including the groin, armpits, neck, and behind the ears.The lymph nodes' primary function is to assist the body in eliminating foreign bacteria and infections.eople also refer to this condition as having swollen glands or swollen lymph nodes. Lymph nodes can be found in many places in the body, including the groin, armpits, neck, and behind the ears. The lymph nodes' primary function is to assist the body in eliminating foreign bacteria and infections.