<prompt> The predominant symptomsign of pheochromocytoma is:SweatingWeight lossOhostatic hypotensionEpisodic hypeension  <response>: Answer is D Episodic Hypeension: The predominant manifestation of Pheochromocytoma is Hypeension which classically presents as Episodic Hypeension Sustained Hypeension and Ohostatic Hypotension may also be seen. The dominant sign is Hypeension. Classically patients have episodic hypeension, but sustained hypeension is also common - Harrison 