Nonimmunoglobulin Crystal-Storing Histiocytosis (CSH): Case Report and Literature Review

Figure 2

High power H&E showing aggregates of histiocytes within the muscularis mucosa and superficial submucosa. The cytoplasm of the histiocytes contains eosinophilic Charcot–Leyden crystals which are present in the form of fine, granular, and needle-shaped deposits within the macrophage cytoplasm (black arrows).