Localized Chronic Form of Langerhans Cell Histiocytosis in the Femur of a 16-Year-Old Male Successfully Treated with Radiofrequency Ablation

<div>Axial CT image (a) at three months post-RFA, revealing the existence of dystrophic calcifications (black arrow). Coronal MRI scan images of the diaphysis of the right femur of the patient at three months post-RFA, depicting a well-defined lytic lesion with central necrosis. The necrosis had an intermediate to low MR sign on T1WI ((b), white arrow) and prominent surrounding oedema on STIR ((c), arrowhead). After the intravenous administration of contrast media, the lesion showed enhancement only at its periphery ((d) short arrow).</div>

Case Reports in Oncological Medicine

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Figure 2: Localized Chronic Form of Langerhans Cell Histiocytosis in the Femur of a 16-Year-Old Male Successfully Treated with Radiofrequency Ablation 

Figure 2 | Localized Chronic Form of Langerhans Cell Histiocytosis in the Femur of a 16-Year-Old Male Successfully Treated with Radiofrequency Ablation 