Fig. 4. Pathology of the control samples that are diagnosed with normal skin or acute eczema. Mucin deposition is less visible in the control samples. (A) Normal skin (H&E, ×40), (B) normal skin (colloidal iron, ×40), (C) acute eczema (H&E, ×40), and (D) acute eczema (colloidal iron, ×40).