Cushing's syndrome with an apparently normal CT scan

Area of Science:

• Endocrinology
• Radiology
• Surgical Pathology

Background:

• Cushing's syndrome presents with diverse clinical manifestations, often leading to diagnostic complexities.
• Standard imaging modalities like CT scans can sometimes yield non-diagnostic or normal results in affected individuals.

Observation:

• A patient presented with clinical signs suggestive of Cushing's syndrome.
• Initial computed tomography (CT) scans of the adrenal glands were interpreted as normal, posing a diagnostic dilemma.

Findings:

• Selective venography with targeted blood sampling was crucial for accurate localization and diagnosis.
• The diagnostic accuracy of venography in this case surpassed that of the initial CT imaging.

Implications:

• Highlights the importance of considering advanced diagnostic techniques when initial imaging is inconclusive for Cushing's syndrome.
• Emphasizes the role of invasive but precise methods like selective venography in complex endocrine diagnoses.
• Underscores the need for surgical correlation to confirm diagnoses established through specialized testing.