Journal of Endocrinology and Metabolism, ISSN 1923-2861 print, 1923-287X online, Open Access
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Volume 1, Number 3, August 2011, pages 97-100

Pheochromocytoma, the Challenge to Anesthesiologists


Table 1. Characteristics of Tests for Pheochromocytoma [2]
Test/SymptomsSensitivity (%)Specificity (%)Likelihood Ratio
Positive ResultNegative Result
Vanillylmandelic acid excretion819727.00.20
Catecholamine excretion829516.40.19
Metanephrine excretion839516.60.18
Abdominal computed tomography92804.60.10
Concurrent paroxysmal hypertension, headache, sweating, and tachycardia909518.00.10


Table 2. Preoperative Evaluation of Patients With Pheochromocytoma
CardiovascularPalpitations, tachycardia, diaphoresis, pallor, angina, history of myocardial infarction, dyspnea, orthopnea, hypertension, heart rate, congestive heart failure (S3 orS4 gallop, jugular venous distention, pulmonary crackles), intravascular volume depletion (orthostatic hypotension, dry mucous membranes, poor skin turgor)
NeurologicHeadache, diaphoresis, feelings of apprehension
GastrointestinalAbdominal pain, nausea, malnutrition, gastrointestinal bleeding, diarrhea, palpation may precipitate a crisis