<prompt> A young patient presented with HTN and VMA 14 mg24, the causes isare -a Medullary carcinoma thyroidb Von Hippel Lindau syndromec Graves diseased Pseudohypoparathyroidisme Sturge weber syndromeabcbcdcdeabe  <response>: Familial syndrome associated with pheochromocytomas are :MEN type II AMEN type II BVon Hippel- Lindau diseaseVon Reclinghausens neurofibromatosisSturge weber syndromeDiagnosis of Pheochromocytoma :Pheochromocytomas secrete abnormally large amount of catecholamines which are responsible for characteristic clinical manifestation of pheochromocytomas.The diagnosis is established by demonstration of increased production of catecholamines or catecholamine metabolites.The diagnosis is made by analysis of single 24 hours urine sample.Biochemical and Imaging Methods Used for Pheochromocvtoma and Paraganglioma Diagnosis 