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Factitious Pheochromocytoma Associated with Self-Injection of Epinephrine

Purpose:

To evaluate a patient with symptoms of pheochromocytoma for evidence of factitious disease.

Specialty:

Endocrinology, Nutrition & Dermatology
Clinical Laboratory
Hematology Oncology

Objective:

differential diagnosis and mimics, red flags, adverse effects

ICD-10:

T44.9, E27.5

Description:

Occasionally a patient with Munchausen syndrome may inject epinephrine to produce symptoms suggestive of pheochromocytoma. Serum chromogranin A is released along with catecholamines and should be elevated in true pheochromocytoma. Other inconsistencies may be detected, but the patient will often deny and resist the diagnosis.

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