Parathyroid adenoma

Case contributed by Dalia Ibrahim

Presentation

Osteopenic and low calcium levels.

Patient Data

Age: 40 years
Gender: Female
mri

Left lower deep cervical well defined soft tissue mass lesion is seen attached to the inferior pole of the left thyroid lobe. It measures 1.4x1.2 x 2.5 cm along its max TS, AP & CC dimensions. It elicits low signal at T1 high T2 signal at T2 & STIR WI with mild diffusion restriction and post contrast enhancement.

Parathyroid scan

Nuclear medicine

Immediately caudal to the left thyroid lobe, there is punctate uptake in the early phase (15 min registration) that remains active during the late phase (2 hours). The localization of this uptake matches the lesion identified on MRI confirming parathyroid adenoma.

Annotated image

Well defined soft tissue mass lesion is abutting the inferior pole of the left thyroid lobe. It shows punctate uptake in the early phase (15 min registration) that remains active during the late phase (2 hours) characteristic of parathyroid adenoma.

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