In the   diagnosist/evaluation  of Anal  pain the best   modality  is  Ultrasound   with  Doppler  compared  to   Digital   Anorectal  Examination  or  Proctoscopy   in present era  before planning   for  Anoperennial  surgery, as  earlier  was  Per  Rectal  digital  Examination  (PR  examination ).Complete  History & Inspection   is mandatory     before  advising   Ultrasound  for   Ano-perineum. Dear  All  share your  experiences  of Ultrasound   of  Anus, superficial (not endocavitary  in Anus) in practical  or clinical, teaching   experience  in  present  era.

What is the best modality for anal disease evaluation ?