<unk>  is an arthroscopic surgical procedure of the acromion. Generally, it implies removal of a small piece of the surface of the bone (acromion) that is in contact with a tendon causing, by friction, damage to the tendon.
Acromioplasty
Genitoplasty
Otoplasty
Omentopexy
Labiaplasty
Scrotoplasty
Limbal relaxing incisions
Myringoplasty