Key signs indicating mesenteric panniculitis

Since patients with mesenteric panniculitis (MP) present non‐specific symptoms, diagnosing MP is challenging. We describe a 45‐year‐old man who developed MP with radiologic findings of a “fat ring sign” and a “tumoral pseudocapsule sign.” These signs shown in the present case are crucial for a precise diagnosis of MP. Diagnosis of mesenteric panniculitis (MP) is challenging, for which radiologic findings are essential. We describe an MP patient with a “fat ring sign” and a “tumoral pseudocapsule sign,” leading to a precise diagnosis of MP.