SONOWORLD : Adrenal adenoma

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Abdomen » Retroperitoneum

Adrenal adenoma

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Author(s) :

Chaitali Shah, FRCR

Presentation A 36 year old woman with a history of end stage renal disease secondary to IgA nephropathy presents with vague abdominal pain. At the time of presentation she was on hemodialysis.

Caption: Sagittal scan demonstrating the left lobe of the liver

Description: A well-defined, hypoechoic rounded mass is seen in the region of the right adrenal gland, posterior to the inferior vena cava and indenting it. The visualized left lobe of the liver and the left hepatic vein appear normal.

Caption: Para-sagittal scan of the right upper quadrant

Description: The mass in the region of the right adrenal gland is noted again and shows well-circumscribed margins.

Caption: Transverse view of the right upper quadrant

Description: The extrahepatic nature of the mass is well demonstrated in this image and the mass is seen displacing the inferior vena cava anteriorly.

Caption: Transverse color Doppler scan of the mass

Description: The mass exhibits no significant internal vascularity.

Differential Diagnosis Adrenal adenoma

Final Diagnosis Adrenal adenoma

Follow Up The adrenal adenoma detected in our case here was an incidental finding. The patient had anormal electrolyte levels. The mass was not biopsied, but follow up scans revealed the mass to be stable with no change in size or internal characteristics and therefore a presumptive diagnosis of a non-functioning adrenal adenoma was made.