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Parathyroid nodule, axial CT, dog
Parathyroid nodule, axial CT, dog

    Transverse or axial CT image of a dog with a large parathyroid nodule. The letter A is the trachea and B is the external jugular vein. The white arrow is pointing towards the parathyroid nodule and the blue arrow is pointing to the normal contralateral thyroid lobe.

Courtesy of Dr. Kathleen Ham.