May Be Caused by

Abscess

Acinar cell carcinoma

Adenoid cystic carcinoma

Benign tumor of submandibular gland

Branchial cleft cyst

Cellulitis

Dermoid

Epidermoid

Hemangioma

Lipoma

Ludwig angina

Lymphadenopathy

Lymphangioma

Mucoepidermoid carcinoma

Pseudotumor secondary to motor atrophy of cranial nerve

Ranula

Salivary gland calculus

Thyroglossal duct cyst