Endocrine Abstracts

We describe a case of cystic pheochromocytoma (PCC) with negative biochemical evaluation, diagnosed on the basis of hypertensive crises during operative management and histopathologic findings. A 57-year-old woman complained of several episodes of stabbing right upper abdominal pain accompanied by tachycardia, headache, lack of breath, elevated blood pressure and vomiting in the preceding three years. At presentation, blood investigations were significant only for mildly eleva...