Unit 12 - Adrenal Tumors (Benign & Malignant)

___ - ___ % of autopsies show adrenal tumors.

5-15%

Adrenal tumors can be _________ or ____________ tumors.

• Functioning

• Nonfunctioning

Adrenal tumors may cause __________ of adrenal gland secretions.

Dysfunction

If functional = hypersecretion, what diseases may it cause:

• Cushing’s syndrome

• Hyperaldosteronism

Adrenal Adenoma is ________.

Benign

What is the most common primary adrenal tumor?

Adenoma

Adrenal Adenomas are usually ___________ tumors.

Nonfunctioning

What is the US appearance of an Adrenal Adenoma?

• Solid, well-defined, round

• Slightly hypoechoic, homogeneous mass

• Usually < 2.5 cm

What is the yellow arrow pointing too?

Adrenal Adenoma

Where do mets occur from?

• Lung (most common) [33%]

• Breast [30%]

• Melanoma

• Stomach

• Color

• Kidney

• Thyroid

Mets typically causes adrenal __________.

Insufficiency

What is the US appearance of mets?

• Vary in size & echogenicity

• Large masses may have central necrosis & hemorrhage within a tumor

What is this image showing?

Long Left Adrenal Mass

What is this image showing?

Trans Left Adrenal Mass

• Mass w/ central necrosis cause sonolucent area in the tumor

What is this image showing?

Blood flow in an adrenal mass