Monday, 22 September 2025

Tyre Sign

 

                                                                Sodomy (Tyre Sign)

Tyre Sign 

  • It refers to the concentric, circular mucosal folds of the anal canal that may appear radially stretched or abraded, resembling the tread marks of a tyre.

  • Seen during medico-legal examination of a victim of anal intercourse (sodomy).

     Features

  • Appearance: The radial rugosities/folds of the anus look “tyre-like.”

  • Cause: Repeated penetration causing stretching and friction of the anal folds.






Snapshot 










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