A Rare Case of Erdheim-Chester Disease and Langerhans Cell Histiocytosis Overlap Syndrome

<div>CT of the abdomen (a) showing extensive retroperitoneal soft tissue (fibrosis) surrounding the kidney and vessels. The soft tissue is seen extending into the mediastinum with involvement of the pleura, heart, and vessels (b).</div>

Case Reports in Pathology

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Figure 4: A Rare Case of Erdheim-Chester Disease and Langerhans Cell Histiocytosis Overlap Syndrome 