Laparoscopic Omohyoid Muscle Transection Surgery: A Novel Procedure Against Omohyoid Muscle Syndrome

Omohyoid muscle syndrome (OMS),also called omohyoid sling syndrome,is a rare disease.The first OMS case was reported in 1980.[1] OMS is presented by a mass without pain on the neck when the patient swallows and disappears after swallow.The patient often feels discomfort and dysphasia when the mass appears.In normal condition [Figure l a],omohyoid muscle (OH) consists of superior and inferior bellies united at an angle by an intermediate tendon (IT) and it passes behind the sternocleidomastoid (SCM) muscle.The OH depresses the hyoid bone after it has been elevated during swallowing.[2]The research was funded by Japan-China Sasakawa Medical FellowshipSCI(E)PubMed中国科技核心期刊(ISTIC)EDITORIAL MATERIALzhangnw1@sohu.com5604-60512