Widening of the presacral space (differential)

Widening of the presacral space is one of the diagnostic indicators of the diseases involving pelvic pathology and rectal involvement. It is ideally measured on barium studies at the level of S3/4 disc level on lateral radiographs and the normal value of the presacral space is <15 mm in adults.​

There are a large number of potential causes of widening of the presacral space, including:


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Article information

rID: 26054
Section: Gamuts
Synonyms or Alternate Spellings:
  • Widened presacral space
  • Presacral widening
  • Widening of pre-sacral space
  • Widening of presacral space
  • Widening of the pre-sacral space

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