A Diagnostic Dilemma of Lateral Neck Cyst: A Lesson Learnt

Large cystic mass is an unusual presentation of papillary thyroid carcinoma, accounting for less than 10% of cases. To make a diagnosis of papillary thyroid carcinoma is challenging since the tumour can mimic a benign lateral neck mass. Therefore, a systematical approach to a patient with neck lump is required so that accurate diagnosis and appropriate treatment can be made. We present a case of a 25-year-old female presenting with an asymptomatic left neck cystic mass diagnosed as a metastatic lymph node of papillary thyroid carcinoma