Subacute lymphocytic thyroiditis is distinguished from subacute thyroiditis by the absence of thyroid pain and tenderness.
[aafp.org]
thyroiditis (painful, de Quervain) Viral infection Painful, tender and swollen gland Malaise, fever, chills, and night sweats Thyrotoxicosis, often followed by hypothyroidism
[surgery.ucsf.edu]
Presentation Cellulitis typically presents as erythema, warmth, and tenderness of neck skin around the incision A superficial abscess produces fluctuance and tenderness A
[emedicine.medscape.com]