Injection of Dorsal Scapular n at Different Levels, Dose it Make Difference?

Overview

Dorsal scapular nerve (DSN) entrapment syndrome is an under-recognized cause of neck and shoulder pain. DSN injuries can be the origin of a well-defined chronic pain syndrome, often referred to as DSN syndrome. DSN syndrome is often characterized by a dull ache along the medial border of the scapula.

Dorsal scapular nerve syndrome typically presents with a weakness of the levator scapulae and the rhomboid muscles, and results in a winged scapula. A winged scapula is where the scapula protrudes from the patient's back and can affect the ability to lift objects or pull and push. The winging of the scapula seen with dorsal scapular nerve syndrome is not as severe as seen as injury or paralysis of the serratus anterior muscle. Dorsal scapular nerve entrapment is a very under-recognized cause of neck and shoulder pain. The scapular winging may be subtle, and the symptoms are easily mistaken for other problems. A careful history and physical exam, along with a high index of suspicion, are necessary for accurate diagnosis and therefore appropriate treatment. Injection of the dorsal scapular nerve under ultrasound guidance can be diagnostic as well as therapeutic.

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