Pheochromocytoma history and symptoms

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

History and Symptoms

The signs and symptoms of a pheochromocytoma are those of sympathetic nervous system hyperactivity, including:

• Palpitations
• Anxiety often resembling that of a panic attack
• Diaphoresis
• Headaches
• Pallor
• Weight loss
• Localized amyloid deposits found microscopically

Not all patients experience all of the signs and symptoms listed. The most common presentation is headache, excessive sweating, and increased heart rate, with the attack subsiding in less than one hour.

Tumors may grow very large, but most are smaller than 10 cm.

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