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Related to deroof: permucosal, hemiapraxia
tr.v. de·roofed, de·roofing, de·roofs
1. To remove the roof from (a building, for example).
2. To remove tissue from (a wound, cyst, or other lesion) in order to promote healing.
to remove a portion of tissue surrounding an enclosed lesion permanently exposing the cavity which is left to heal by second intention. Used most commonly in the treatment of rectal fistulae.