Pathology All the following familial syndromes are associated with development of pheochromocytomas except: A Sturge-Weber syndrome B Von Recklinghausen disease C MEN Type II. D Prader-Willi syndrome. 💡 Explanation All the following familial syndromes are associated with development of pheochromocytomas except: ✓ Correct Answer: D. Prader-Willi syndrome.