Endocrine Case Report: Swollen Glands

The latest endocrine case report from Brady Pregerson, MD, features a woman in her mid-30s presenting with swollen glands lasting for the past 3 days and an associated sore throat. Can you determine the correct diagnosis?

History of Present Illness:

A woman in her mid-30’s comes to the ER for swollen glands in her neck for the past 3 days with associated sore throat. On your history, she denies any medical history but is currently breastfeeding a 6-month-old. She denies any SOB, fever or cough, or decrease in PO intake but is worried she may have strep throat or COVID due to recent exposure.

Vital Signs & Physical Exam:

Vital signs are normal as is her physical exam except for some mild swelling in the anterior neck. There is no exudative pharyngitis. Here is a picture of her neck.

Initial Diagnostic Testing:

CBC: normal

Chem-7: normal

Rapid strep: negative

COVID PCR: negative

What is the most likely diagnosis?