Retroperitoneum - Part 3 Flashcards
Adenoma
Benign cortical mass
What are the risk factors for an adenoma? (4)
- Diabetes mellitus
- Obesity
- Hypertension
- Older population
What are the clinical findings for an adenoma? (2)
- Asymptomatic
2. Elevated adrenal hormones
What is the US appearance for an adenoma? (4)
- Hypo echoic
- Homogeneous mass
- Smooth wall margins
- May demonstrate necrosis or hemorrhage
What are 4 differential diagnosis for an adenoma?
- Adrenal hyperplasia 2. Adrenocortical
carcinoma - Renal or liver mass 4. Adrenal
hemorrhage
Is an adrenal cyst unilateral or bilateral?
Unilateral
What are the clinical findings for an adrenal cyst? (2)
- Asymptomatic
2. Hypertension
What is the US appearance for an adrenal cyst? (4)
- Anechoic mass
- Well-defined wall margins
- Posterior acoustic
enhancement - Walls may calcify
What are 2 differential diagnosis for an adrenal cyst?
- Cyst of the liver, spleen, or kidney
2. Hydronephrosis
What are the causes of an adrenal hemorrhage? (4)
- Adrenal mass
- Hypoxia
- Traumatic delivery 4. Septicemia
What are the clinical findings for an adrenal hemorrhage? (3)
- Asymptomatic
- Palpable abdominal mass
- Decrease in hematocrit
What is the US appearance for an adrenal hemorrhage? (2)
- Cystic or complex adrenal mass
2. Frequently located on the right
What are 3 differential diagnosis for an adrenal hemorrhage?
- Cyst or neoplasm of the liver, spleen, or kidney
- Adenoma
- Adrenocortical
carcinoma
Adrenal hyperplasia
Proliferation in adrenal cells
Is adrenal hyperplasia typically unilateral or bilateral?
Bilateral