A Giant Duodenal Leiomyoma Showing Increased Uptake on 18F-Fluorodeoxyglucose Positron Emission Tomography

Figure 4

Pathological findings. Pathological testing shows a solid tumor growing from the muscle layer of the duodenum through the serous membrane (a). Hematoxylin and eosin staining show uniform growth of spindle cells in an intricate manner (b). On immunostaining, α-smooth muscle actin is positive (c), and S-100, c-kit, and CD34 are negative (d–f).

(a)

(b)

(c)

(d)

(e)

(f)