Efficacy of pingyangmycin injection for the treatment of cervical epidermoid cysts.

Epidermoid cysts are benign lesions commonly seen in the head and neck region. Here, we describe the case of an epidermoid cyst in a 20-year-old man with a history of trauma presenting with a complaint of mass in the right cervical region. Upon closer examination, a 3cm long scar was noticed within the swollen region of the right submandibular area. MRI revealed a soft tissue mass involving the right neck and fine-needle aspiration biopsy showed that the content of the cyst was homogenous, confirming the diagnosis of epidermoid cyst. We used a pingyangmycin injection to manage the cyst with excellent short-term results, but the lesion reappeared after 3 months. The patient ultimately underwent surgical enucleation of the mass under general anesthesia.