A 36yr old lady presents with a 20 yrs duration fluctuant and translucent swelling on right side of her neck. No other history available. No other findings on examination of neck. What is the most probable diagnosis?
High-Yield Explanation
The only swelling of the 4 options which will show translucency is Lymph cyst.Lymph node - no fluctuationColloid nodule - no fluctuationCold abscess - 20-year history unlikely