Pheochromocytoma and paraganglioma are rare neuroendocrine tumours in paediatric ages. We report a case of a 14-year-old girl referred to our oncology centre due to an abdominal mass. She had an 11-month history of paroxysmal episodes of headache, nausea, dizziness, palpitations and visual disturbances. Imaging studies showed a left paravertebral mass measuring 5.8 × 4.6 × 3.5 cm. Metaiodobenzylguanidine scintigraphy revealed an abnormal hyperfixation on the left upper quadrant. Chromogranin A was elevated, as well as normetanephrine. The patient was submitted to surgery during which a connection between this mass and the adrenal gland was found. A diagnosis of pheochromocytoma was performed.
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