Six to 20 mouse units (MU) BoNT/A type A (Botox ®, Allergan, Irvine, CA, USA; 100 MU /2 ml 0.9% saline) were injected into each parotid gland (cranial, middle, and caudal part, one injection each) ...

Video Back Videos home Signature collection Essentials collection Artificial Intelligence ...

A less likely cause is cancer, such as tumors caused by salivary gland cancer, lymphoma, or basal cell carcinoma. A diagnosis by a healthcare provider may be needed if a lump behind the ear appears ...