A. Image at low magnification corresponding to the superficial nodular and perifollicular infiltrate (H-E, original magnification 40x).
B. Cellular detail of the infiltrate, with histiocytic cells and multinucleated giant cells, with granular and eosinophilic cytoplasm, intermixed with lymphocytes, neutrophils, and plasma cells (H-E, original magnification 400x).
C. Immunohistochemical study showed that the histiocytic cells are positive for CD68. The rest of the immunohistochemical study was negative for CD1a, S100 protein, and CD34.
Source: Images obtained by the authors of this study.
