Which one of the following clinical features is NOT senn in pheochromocytoma?

In pheochromocytoma, there are paroxysms of hypeension and finally give way to continuous hypeensive state. During attacks, the patient complains of headache,palpitations,abdominal pain, and dizziness; pallor, vomiting, and sweating also occur. The child has a good appetite but because of the hypermetabolic state does not gain weight,and severe cachexia may develop. Page 1942, Nelson textbook of pediatrics 19th edition