Retroperitoneal pseudolymphadenopathy.
Computed tomography is very sensitive in detecting enlarged retroperitoneal lymph nodes. Several structures such as vessels, bowel loops, fibrous tissue and hemorrhage can simulate pathologic retroperitoneal nodal enlargement. A thorough awareness of the normal retroperitoneal anatomy will help in correct interpretations and may obviate the need for more invasive diagnostic procedures.
D000328:Adult; D003937:Diagnosis, Differential; D006801:Humans; D007668:Kidney / Q000000981:diagnostic imaging*; D008206:Lymphatic Diseases / Q000000981:diagnostic imaging*; D008297:Male; D012187:Retroperitoneal Space / Q000000981:diagnostic imaging*; D014057:Tomography, X-Ray Computed