Smooth Muscle Tumor Originating in the Pleura: A Case Report and Updated Literature Review

Figure 2

(a) Proliferation of bland spindle cells with elongated nuclei and eosinophilic cytoplasm (hematoxylin and eosin, 400x magnification). (b) Desmin immunohistochemical stain is positive (400x magnification). (c) Beta-catenin is negative (400x magnification).

(a)

(b)

(c)