A patient with a pheochromocytoma may become symptomatic when certain events trigger release of catecholamines from the tumor.
(1) exercise or exertion
(2) bending over
(3) pressure applied to the abdomen or abdominal palpation
(4) defecation and/or urination
Biochemical release or injection:
(1) tricyclic antidepressants
(8) cytotoxic drugs
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Purpose: To evaluate a patient who may have a pheochromocytoma for conditions that can trigger a release of catecholamines.
Specialty: Endocrinology, Clinical Laboratory, Hematology Oncology
Objective: differential diagnosis and mimics, red flags
ICD-10: D35.0, C74.1,