Drainage into contiguous tissues. ... (05 Mar 2000) ... 
Type: Term Pronunciation: aw′tō-drān′ij Definitions: 1. Drainage into contiguous tissues.
autodrainage The opening of an abscess into a hollow viscus or cavity within the patient's own body. This may occur spontaneously by expansion of the abscess and erosion of surrounding structures or it can be accomplished surgically.