Mylohyoid boutonniére

Herniation of the sublingual gland caused by a boutonniére defect of the mylohyoid muscle.

Clinical information

Female patient, 40 years old, referred due to intermittent complaints related to suspected submandibular gland issues, seeking a second opinion from another hospital.

Brief description

Dynamic ultrasound during swallowing shows a displacement, herniation, of the sublingual gland from the sublingual space into the submandibular space caused by a benign anatomical discontinuity, boutonniére defect, in the mylohyoid muscle.

Ultrasound Images & Clips


Mylohyoid boutonniére


  • Sex: Female
  • Age: 40

Created with

  • Fujifilm Ultrasound System