Saddle anesthesia

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Approximate area of "saddle anesthesia" seen from behind (yellow highlight)

Saddle anesthesia is a loss of sensation (anesthesia) restricted to the area of the buttocks, perineum and inner surfaces of the thighs.

It is frequently associated with the spine-related injury cauda equina syndrome.[1] It is also seen in conus medullaris, the difference is that it is symmetrical in conus medullaris and asymmetric in cauda equina.It may also occur as a temporary side-effect of a sacral extra-dural injection:[2]


  1. ^ "Cauda Equina Syndrome". Retrieved 2014-07-23.
  2. ^ Gerald L Burke, MD. "Backache from Occiput to Coccyx". Retrieved 2014-07-23.

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