Pheochromocytoma history and symptoms
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Common symptoms of pheochromocytoma include episodes of palpitations, sweating and headaches. Most patients are asymptomatic. Less common symptoms include cardiomypathy and episodic hypotension. Patients may have a history of recurrent attacks of palpitation or family history of pheochromocytoma. Patients may show symptoms of other multiple endocrine neoplasias associated diseases such as that of medullary thyroid cancer and hyperparathyroidism.
Past medical history
- Patients suffering from pheochromocytoma may have a positive past medical history of recurrent attacks of palpitation or panic attacks.
- Palpitations especially in epinephrine producing tumors.
- Anxiety often resembling that of a panic attack
- Headaches occurs in 90 % of patients.
- Paroxysmal attacks of hypertension but some patients have normal blood pressure
- Pheochromocytoma may be asymptomatic and discovered incidentally after screening for MEN patients
Less common symptoms
Less common symptoms of pheochromocytoma include:
- Cardiomyopathy: Rare symptom and patient improves after medical treatment or surgical removal of the tumor.
- Episodic hypotension.
Symptoms of associated diseases
Pheochromocytoma patients may show symptoms of other diseases in MEN 2 syndromes such as:
- Marfanoid features
- Medullary thyroid cancer
- The patient may show symptoms associated with von Hippel-Lindau: The mean age at presentation is about 30 years. The onset can sometimes be before the age of 10. 
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