[Retroperitoneal paraganglioma].
OBJECTIVE
To report the radiological findings of retroperitoneal paragangliomas.


METHODS
A patient who presents with colic pain and undergoes intravenous urography and CT scan.


RESULTS
KUB x-ray revealed an increase of radiodensity on the left flank. The urography showed a partially obstructive urinary lithiasis in the proximal third of the left ureter with a mass effect laterally displacing pelvis and ureter. The study was completed with an i.v. contrast abdominal CT scan which showed a left para-aortic solid mass under the kidney with heterogeneous contrast uptake.


CONCLUSIONS
The correlation of symptoms and catecholamine levels is the best way to guide the etiological diagnosis after CT scan.
Monzón
Montserrat
M
Departamento de Diagnóstico por la imagen, Institut Universitario Dexeus-USP, Barcelona, España. 33829mmg@comb.es
Ares
Jesús
J
Traid
Carlos
C
Ubeda
Belén
B
Roma
Ana
A
Rotger
Ramón
R
Palacio
Angel
A
D000368:Aged; D006801:Humans; D008297:Male; D010235:Paraganglioma / Q000000981:diagnostic imaging*; D011859:Radiography; D012186:Retroperitoneal Neoplasms / Q000000981:diagnostic imaging*