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Intraparotid Facial Nerve Schwannoma - A Case Report
Yekula Kiran Kumar1, Yadavalli R D Rajan1
1Department of General Surgery, Siddhartha Medical College, Vijayawada, Andhra Pradesh, India.
Rationale:
Intraparotid facial nerve schwannoma (IPFNS) is a rare entity. Diagnosing these tumours is challenging as multiple differential diagnoses exist for swellings in the infraauricular region. Delay in diagnosis can lead to adverse outcomes.
Patient Concerns:
A 27-year-old female presented with swelling over the left infraauricular region, which concerned her cosmetic appearance.
Diagnosis:
It was initially misdiagnosed with imaging techniques computerised tomography (CT scan) and fine-needle aspiration cytology, leading to a diagnostic dilemma.
Treatment:
Superficial parotidectomy was planned and intraoperatively, a cystic lesion was seen adherent to the temporal branch of the facial nerve, which was resected along with the nerve branch. Histopathology confirmed the diagnosis as facial nerve schwannoma.
Outcomes:
The patient's cosmetic concern was resolved but there was loss of wrinkles over the ipsilateral forehead region. No recurrence was seen.
Take-Away Lessons:
IPFNS often causes a diagnostic dilemma and an appropriate and timely diagnosis is required to decrease the morbidity and undertreatment.
