Figure 1.

Hematoxylin-eosin staining results of the resected specimen. (A) The bladder lining exhibiting inflammation and swelling of the underlying connective tissue, indicative of cystitis (100×); (B) A subsection of Fig. 1A under higher magnification revealing a substantial presence of eosinophilic infiltrates, identified by their brick-red cytoplasm, as well as few mast cells and apoptotic stromal cells (1000×); (C) The sheets of eosinophils infiltrating the connective tissue (400×); (D) The sheets of eosinophilic infiltrates in the stroma (400×).