Solitary plasmacytoma of the left rib misdiagnosed as angina pectoris: A case report

Figure 5 Pathology of rib biopsy. A: The pathological findings of rib biopsy showed that it was mainly striated muscle tissue, with a small amount of connective tissue, skin and bone tissue, and short spindle cells (HE, × 100); B: Rib biopsy pathology showed that under high magnification, some cells were short spindle-shaped, and the nuclei were slightly dark stained, with non-nuclear divisions (HE, × 400).