Fig. 3From: A young patient with heart failure was diagnosed with extra-adrenal paraganglioma: a case reportHE stained sections. Black arrows indicate the nest-like cell masses in the fibrous connective tissue. (A to D represents magnification ×50, ×100, ×200, ×400 respectively). Type of equipment: microscope: LEICA DM 2000 LED; cameras: LEICA MC 170 HD. Acquisition software: LASV4.10.Back to article page