Packing for a trip to Walt Disney World in December or January means being prepared for anything. Check the extended forecast before you leave. Bring along a sweatshirt or light jacket, and dress in layers that you can remove as the temperature warms up through the day.
Injury of a Muscle or Tendon. A damaged tendon or muscle can be the main culprit behind the swollen bump on the back of the neck. Muscles and tendons keep the body in shape and when one is injured or pulled, the muscle moves from its original position. The damaged part of the muscle sticks out, which forms the lump.
Swellings or lumps in the neck are a common clinical problem. Patients presenting with neck lumps are likely to be fearful that they have cancer. Neck lumps in children are common although rarely malignant, but the situation is quite different in adults. A solitary lump, low in the neck, deep to the sternomastoid muscle in the supraclavicular fossa (level IV) is likely to be a metastasis from a primary cancer below the clavicles, that is, the lung, the oesophagus, the stomach or the pancreas.