Fibromatosis colli

Case contributed by Abdulmajid Bawazeer
Diagnosis certain

Presentation

Mother noticed a lump in the right side of the neck with a history of a complicated vaginal delivery.

Patient Data

Age: 3 weeks
Gender: Female
ultrasound

The right sternocleidomastoid muscle shows a diffusely fusiform thickening and shortening.

The left sternocleidomastoid is unremarkable.

Case Discussion

Fibromatosis colli typically presents with a neck swelling at 1-2 months after birth, most commonly as a result of a complicated vaginal delivery and always came with head tilt to the affected site and neck mass.

Ultrasound imaging is the imaging modality of choice in diagnosing fibromatosis colli.

 

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