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Erdheim-Chester disease

Case contributed by Dr Lana Pshtiwan

Presentation

Middle age man with bilateral loin pain.

Patient Data

Gender: Male
CT

Bilateral asymmetrical perirenal enhancing soft tissue thickening extending to the renal sinus and infiltrating the pelvicalyceal systems associated with moderate hydronephrosis. No retroperitoneal soft tissue thickening, fibrosis or adenopathy. The findings are in favor of Erdheim-Chester disease.

Case Discussion

Erdheim-Chester disease is non-Langerhans cell histiocytosis resulting in multiple organs xanthomatous infiltration, usually presents with bone pain, diabetes insipidus, exophthalmos, interstitial lung disease, and renal impairment.

The differential diagnosis of this pattern of renal involvement includes retroperitoneal fibrosislymphoma and extramedullary hematopoiesis.

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Case information

rID: 68841
Published: 16th Jun 2019
Last edited: 14th Aug 2019
System: Urogenital
Inclusion in quiz mode: Included
Institution: The Arab Board Of Health Specializations

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