Severe Pulmonary Hypertension Caused by Smoldering Plasma Cell Myeloma: An Autopsy Case of POEMS Syndrome

Figure 6

Microphotograph of the heart illustrating plasma cell invasion. Note prominent plasma cell proliferation in the region of the epicardium (a) (hematoxylin-eosin, original magnification ×200). Immunohistochemically, the plasma cells are positive for IgG (b) and kappa-light chain (c) (original magnification, ×400, resp.).

(a)

(b)

(c)