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Musculoskeletal/Small parts » Thyroid, Parathyroid, Salivary Glands
Right parathyroid adenoma
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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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