Introduction

Rosai–Dorfman disease, or sinus histiocytosis with massive lymphadenopathy, is characterized by histiocytosis in different organs specially in lymph nodes 1, 2. The exact etiology of the disease is unknown but most of the patients present with fever, leukocytosis, and nonpainful cervical lymphadenopathy. It can involve the skin, soft tissue or less commonly central nervous system. The gastrointestinal engagement is rare 3-7. This article is a rare case report of solitary liver mass without lymphadenopathy with a review of previous literature.