Occult extra-adrenal pheochromocytoma in the urinary bladder

Description Pheochromocytoma is an uncommon neuroendocrine tumour arising from the chromaffin cells associated with increased catecholamine production. More than 85% of the tumours are infradiaphragmatic in location, with para-aortic region being the most common site.1 Extra-adrenal pheochromocytoma...

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Bibliographic Details
Published in:BMJ case reports 2019-03, Vol.12 (3), p.e229267
Main Authors: Chan, Victor Siang Hua, Chan, Derek Lok Hei, Hui, Shui Yee, Lam, Wendy Wai Man
Format: Article
Language:English
Subjects:
Adrenal glands
Bladder
Case reports
Child
Female
Humans
Images In
Medical imaging
Pheochromocytoma - diagnostic imaging
Positron-Emission Tomography
Tumors
Ultrasonic imaging
Ultrasonography, Doppler, Color
Urinary Bladder Neoplasms - diagnostic imaging
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Summary:Description Pheochromocytoma is an uncommon neuroendocrine tumour arising from the chromaffin cells associated with increased catecholamine production. More than 85% of the tumours are infradiaphragmatic in location, with para-aortic region being the most common site.1 Extra-adrenal pheochromocytoma (EAP) accounts for 10%–15% of pheochromocytoma in adults and 30%–40% in children.2 EAP is sporadic and tends to be larger than the adrenal counterpart at the time of detection.3 Herein, the authors report a rare case of occult bladder EAP that evaded initial imaging modalities due to diagnostic pathway loopholes. The contrast CT scan of the abdomen and ultrasound (US) for renal artery stenosis performed at another hospital did not include the pelvis in the scanned region and were otherwise unremarkable.
ISSN:1757-790X
1757-790X
DOI:10.1136/bcr-2019-229267