A Rare Case of a Right Atrial Paraganglioma in an Individual with the SHDB Mutation

Figure 3

(a) Cardiac paraganglioma histology. Multiple large groups of characteristic Zellballen morphology (in black circles) with nests of uniform, polygonal chromaffin/chief cells surrounded by sustentacular support cells and well-formed vascular cuffing. (b) Cardiac paraganglioma histology. Characteristic Zellballen morphology (white circles) with nests of uniform, polygonal chromaffin/chief cells surrounded by sustentacular support cells and well-formed vascular cuffing.

(a)

(b)