Question:
A patient presents with an adrenal incidentaloma measuring 15 $\times$ 10 $\times$ 6 cm. Which of the following is true?
A patient presents with an adrenal incidentaloma measuring 15 $\times$ 10 $\times$ 6 cm. Which of the following is true?
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Adrenal Incidentaloma Protocol:
1. Rule out functional status (Metanephrines, Dexamethasone suppression, Aldosterone/Renin ratio).
2. Rule out malignancy (Size $>$ 4-6 cm, or high attenuation $>$ 10 Hounsfield Units on unenhanced CT).
Never biopsy an adrenal mass until a pheochromocytoma is biochemically ruled out!
1. Rule out functional status (Metanephrines, Dexamethasone suppression, Aldosterone/Renin ratio).
2. Rule out malignancy (Size $>$ 4-6 cm, or high attenuation $>$ 10 Hounsfield Units on unenhanced CT).
Never biopsy an adrenal mass until a pheochromocytoma is biochemically ruled out!
Updated On: Sep 3, 2026
- Laparoscopy done in up to 15 cm masses successfully
- CT-guided aspiration/FNA is helpful
- Need to do functional evaluation
- Can be ignored
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The Correct Option is C
Solution and Explanation
Concept:
The management of an adrenal incidentaloma revolves around two primary concerns: determining if the mass is hormonally active (functional) and assessing its malignant potential.
Explanation:
• Regardless of size, the absolute standard of care for any incidentally discovered adrenal mass is to perform a comprehensive biochemical functional evaluation.
• This evaluation must rule out subclinical Cushing's syndrome, pheochromocytoma (via plasma free metanephrines), and primary hyperaldosteronism (Conn's syndrome, if hypertensive).
• Failing to identify a functional tumor, especially a pheochromocytoma, before any surgical intervention can lead to a fatal intraoperative hypertensive crisis.
• Regarding Option A: While highly experienced centers occasionally perform laparoscopy for large masses, a 15 cm adrenal mass carries an extremely high suspicion for Adrenocortical Carcinoma (ACC). The gold standard for suspected ACC is an open adrenalectomy to ensure en bloc resection and avoid tumor spillage; thus, advocating laparoscopy as the primary truth for a 15 cm mass is clinically dangerous.
• Regarding Option B: CT-guided FNA is rarely indicated. It cannot differentiate benign from malignant adrenocortical tissue and carries a severe risk of seeding or triggering a pheochromocytoma crisis.
• Regarding Option D: A 15 cm mass has a high likelihood of malignancy and can never be ignored.
Final Answer:
Every adrenal incidentaloma, irrespective of its imaging characteristics or size, mandates a thorough biochemical functional evaluation before any further intervention.
The management of an adrenal incidentaloma revolves around two primary concerns: determining if the mass is hormonally active (functional) and assessing its malignant potential.
Explanation:
• Regardless of size, the absolute standard of care for any incidentally discovered adrenal mass is to perform a comprehensive biochemical functional evaluation.
• This evaluation must rule out subclinical Cushing's syndrome, pheochromocytoma (via plasma free metanephrines), and primary hyperaldosteronism (Conn's syndrome, if hypertensive).
• Failing to identify a functional tumor, especially a pheochromocytoma, before any surgical intervention can lead to a fatal intraoperative hypertensive crisis.
• Regarding Option A: While highly experienced centers occasionally perform laparoscopy for large masses, a 15 cm adrenal mass carries an extremely high suspicion for Adrenocortical Carcinoma (ACC). The gold standard for suspected ACC is an open adrenalectomy to ensure en bloc resection and avoid tumor spillage; thus, advocating laparoscopy as the primary truth for a 15 cm mass is clinically dangerous.
• Regarding Option B: CT-guided FNA is rarely indicated. It cannot differentiate benign from malignant adrenocortical tissue and carries a severe risk of seeding or triggering a pheochromocytoma crisis.
• Regarding Option D: A 15 cm mass has a high likelihood of malignancy and can never be ignored.
Final Answer:
Every adrenal incidentaloma, irrespective of its imaging characteristics or size, mandates a thorough biochemical functional evaluation before any further intervention.
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