dysesthesia
感覚異常、自発性異常感覚 ⇔ 錯感覚 paraesthesia
定義
- 中枢や末梢の神経障害で、外部からの刺激がないのに自発的に経験する異常な感覚を指す。
- Any abnormal sensation described as unpleasant by the patient.(疼痛#痛みと異常知覚の命名法)
- Dysesthesias are distorted sensations in response to a stimulus and may last longer than the stimulus itself. For example, a person may perceive a light touch or pinprick as a burning or tingling sensation that is irritating or unpleasant.
( Bates Guide to Physical Examination p.550より抜粋)