Deathwatch beetle. Deathwatch beetle (Xestobium rufovillosum), an anobiid, or borer insect, of the family Anobiidae (insect order Coleoptera) that makes a ticking or clicking sound by bumping its head or jaws against the sides of the tunnels as it bores in old furniture and wood.
1 Superior vena cava syndrome is most often caused by compression of the vein (the superior vena cava), that returns blood from the upper body back to the right atrium of the heart by tumor.  Symptoms include swelling of the face and arms associated with shortness of breath.
Symptoms. The first symptoms of stenosis are lower back pain and neck pain, which over time may lead to limping. Other symptoms include pain or abnormal sensations in the legs, thighs, feet or buttocks and loss of bladder or bowel control.oraminal Stenosis vs. Central Stenosis. Stenosis most commonly occurs in two ways: central stenosis, which is the narrowing of the entire spinal canal, and foraminal stenosis, a narrowing of the foramen through which the nerve root exits the spinal canal.