pseudaesthesia

from The Century Dictionary.

• noun Imaginary or false feeling; imaginary sense of touch in organs that have been removed, as when pain is felt as if in the fingers or toes of an amputated limb. Also spelled pseudesthesia.

from the GNU version of the Collaborative International Dictionary of English.

• noun (Physiol.) False or imaginary feeling or sense perception such as occurs in hypochondriasis, or such as is referred to an organ that has been removed, as an amputated foot.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun medicine False or imaginary feeling or sense perception such as occurs in hypochondriasis and phantom limb.