Home Body Atlas Bursae Submental Bursa
Bursa Head & Skull

Submental Bursa

bursa submentalis

An inconstant subcutaneous bursa in the submental region between the chin skin and the underlying mentalis muscle or mandibular symphysis. It may develop from repeated chin contact in combat sports or from chronic pressure in heavy-set individuals.

Region: Head & Skull
Clinical Relevance

Clinical Notes

Submental bursitis produces a soft midline chin swelling that must be distinguished from a dermoid cyst, thyroglossal duct remnant, and enlarged submental lymph nodes. Ultrasound demonstrates a thin-walled, anechoic structure without internal vascularity. It is occasionally encountered in judo and wrestling athletes from mat contact.

Pathology

Common Injuries & Conditions

Submental Bursitis

Subcutaneous bursal swelling under the chin from contact sport chin trauma, presenting as a midline fluctuant lump confirmed by ultrasound as distinct from lymphadenopathy or cystic neck lesions.

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