<prompt> A young patient presented with HTN and VMA 14 mg24, the causes isare -Medullary carcinoma thyroidVonHippelLindau syndromeGraves diseasePseudohypoparathyroidism  <response>: Answers are options 1and 2 i.e. Medullary Ca of thyroid and Von Hippel Lindau syndrome Familial syndrome associated with pheochromocytoma are MEN type 2A MEN type 2B Von Hippel Lindau disease Von Reclinghausen;s neurofibromatosis Sturge weber syndrome Ref Harrison 17e p2358 