That's what Pythagoras called it. The square on the hypotenuse is the sum of the squares on the other two sides. It's Greek and probably has something to do with the side of a triangle opposite the right angle - but this is just my hypothesis. Actually OED confirms my suspicion.
Symptoms of Neurofibroma. The list of signs and symptoms mentioned in various sources for Neurofibroma includes the 4 symptoms listed below: Painless, slow-growing mass. Skin lump. Electric shock-like sensation when touching affected area. Surgery, regular monitoring. more information...Â».
Other symptoms may include: 1  Blindness. 2  Seizures. 3  Freckles in the underarm or groin. 4  Large, soft tumors called plexiform neurofibromas, which may have a dark color and may spread under the surface of the skin. 5  Pain (from affected peripheral nerves) 6  Small, rubbery tumors of the skin called nodular neurofibromas.