SONOWORLD : Right parathyroid adenoma

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Thyroid/parathyroid » General

Right parathyroid adenoma

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Author(s) :

Oksana H. Baltarowich, MD

Chaitali Shah, FRCR

Presentation A young man presents with painless swelling on the right side of the neck of 15 days duration. An ultrasound of the neck was performed.

Caption: Transverse view of the right side of the neck

Description: A well-defined, oval, hypoechoic solid mass is seen posterior to the right lobe of thyroid and medial to the carotid. The mass has a homogeneous echotexture and a demarcating capsule, indicating its extra-thyroidal location.

Caption: Sagittal view of the right side of the neck

Description: The hypoechoic solid mass is seen here located posterior to the thyroid gland.

Caption: Color Doppler of the mass

Description: Vessels are demonstrated within the extra-thyroidal mass. This pattern of vascularity is more consistent with a parathyroid adenoma rather than a lymph node which typically demonstrates central hilar flow.

Caption: Power Doppler study of the mass

Description: There is increased vascularity in this mass compared to the adjacent thyroid vascularity, which is often seen with parathyroid adenoma.

Differential Diagnosis Right parathyroid adenoma, parathyroid carcinoma, lymph node

Final Diagnosis Right parathyroid adenoma

Follow Up Nuclear imaging and histopathology confirmed the diagnosis of a hypercellular parathyroid adenoma.

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