A13-year-old girl with a past medical history significant only for asthma presented with a
midline neck mass deep to the skin and subcutaneous tissue and anterior to the hyoid bone …

Gross inspection showed a 4 3 2-cm fragment of tissue comprising multiple cystic spaces
filled with hemorrhagic material. The walls of the cysts were thin and had a smooth lining …

A10-YEAR-OLD white boy presented with an 8-year history of an enlarging mass in the right
side of his neck. He initially presented at the age of 2 years with a mass in the right side of …

A7-day-old female neonate presented after an uncom-plicated prenatal course and delivery
with a left anterior neck mass that had been present since birth. The remaining physical …

A30-YEAR-OLD MAN PRESENTED WITH A PAIN-less, slow-growing, cystic swelling in the
right side of his neck. Physical examination revealed a cystic mass, measuring …

A40-YEAR-OLD WOMAN presented with a 5-month history of swelling in the right side of her
neck. The swelling was painless, had increased over the prior month, and had caused mild …

A31-MONTH-OLD BOY PRESENTED WITH A 1-year history of a slow-growing mass in the
right side of his neck. The mass was not associated with pain, shortness of breath …

A30-YEAR-OLD MAN WAS REFERRED TO OUR clinic with a 3-month history of swelling in
themidlineoftheneck. Thesizeoftheswelling was stable and did not change at meal times …

A4-YEAR-OLD GIRL PRESENTED WITH AN asymptomatic midline neck mass of sev-eral
weeks' duration. She had been in re-cent good health, with no inflammatory or worrisome …

FIGURE 3. Papillary carcinoma arising within a thyroglossal duct cyst.(A) Axial and (B)
sagittal reformatted enhanced CT images reveal a complex cystic anterior neck mass …