Sternocleidomastoid

A branchial cyst lies at the anterior border of the sternocleidomastoid.

What our notes say

• A branchial cyst lies at the anterior border of the sternocleidomastoid. (Surgery Question Bank: 12 Clinical MCQs)
• • Features of respiratory distress o Breathlessness o Dyspnoea o Use of accessory muscles – sternocleidomastoid, platysma, pectoral muscles (Examination of Respiratory system — Past Paper Questions & Answers)
• • The sternocleidomastoid muscle may be prominent on one side indicating marked displacement of the trachea towards that side (Sternomastoid or Trail’s Sign) (Examination of Respiratory system — Past Paper Questions & Answers)
• | Typical location | Lateral neck, anterior to sternocleidomastoid | Midline neck, moves with tongue protrusion | (Head &neck sem 2 — Past Paper Questions & Answers)
• Ipsilateral cerebral hemisphere supplies contralateral trapezius but ipsilateral sternocleidomastoid — a single UMN lesion can therefore produce signs on both sides (CNS History Taking & Neurological Exam Guide | Clinical Skills)
• | Typical location | Lateral neck, along anterior border of sternocleidomastoid muscle | Midline neck, typically near the hyoid bone; moves with swallowing/tongue protrusion | (Head & Neck Pathology MCQs: Oral, Ear, Throat & Gland Tumors)

Related topics

• Trapezius
• Facial Nerve
• Jugular Vein
• Superior Vena Cava Obstruction
• Superior Vena Cava
• Atrial Pressure
• Sacrum
• Trachea
• Diaphragm
• Paroxysmal Nocturnal Dyspnoea