1. Laparoscopic Biopsy and Ureterolysis in Erdheim-Chester Disease
Erik P. Castle, MD, Mitchell R. Humphreys, MD, Paul E. Andrews, MD 
Mayo Clinic Proceedings 
Volume 80, Issue 4, Pages (April 2005)
DOI: /
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2. Figure 1
Computed tomogram reveals retroperitoneal infiltration (white arrows). The ureters are seen with stents in place (black arrows).
Mayo Clinic Proceedings  , DOI: ( / )
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3. Figure 2
Computed tomogram reveals extensive perinephric involvement (white arrows). The collecting system is seen with stents in place (black arrows).
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4. Figure 3
Postoperative computed tomogram reveals intra-peritonealization of ureters (black arrows). Postoperative hematoma is seen in the left retroperitoneum (white arrow).
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5. Figure 4
Plain radiographs of the femur (lateral [A] and anteroposterior [B] views) reveal osteosclerosis.
Mayo Clinic Proceedings  , DOI: ( / )
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