Itani, Malak

Although Rosai-Dorfman disease has nonspecific imaging features, imaging remains essential for delineating disease extent, predicting prognosis, and assessing treatment response once the diagnosis is established through integrated clinical, imaging, and histopathologic evaluation.

Lymphoscintigraphy, which is commonly used for sentinel lymph node mapping, can help diagnose lymphedema, lymphatic leakage, and lymphatic malformations and provides valuable information for surgical planning and treatment.

Understanding the imaging appearance of autoimmune disorders of the liver and biliary tract is important to guide further workup, suggest a particular diagnosis, monitor for disease progression or response to treatment, and evaluate for complications.