Beaded Septum Sign

, Joungho Han², Man Pyo Chung³ and Yeon Joo Jeong⁴

(1)

Department of Radiology Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea, Republic of (South Korea)

(2)

Department of Pathology Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea, Republic of (South Korea)

(3)

Department of Medicine Division of Pulmonary and Critical Care Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea, Republic of (South Korea)

(4)

Department of Radiology, Pusan National University Hospital, Busan, Korea, Republic of (South Korea)

Abstract

The sign consists of irregular and nodular thickening of interlobular septa reminiscent of a row of beads [1] (Fig. 4.1).

Definition

The sign consists of irregular and nodular thickening of interlobular septa reminiscent of a row of beads [1] (Fig. 4.1).

Fig. 4.1

Pulmonary sarcoidosis showing beaded septum sign in a 57-year-old woman with Sjögren’s syndrome. (a) Targeted view of thin-section (2.5-mm section thickness) scan obtained at level of liver dome shows thickened interlobular septa (arrows) with string of bead appearance. Also note diffuse ground-glass opacity in both lungs. (b

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