PMC2799961_01
Microscopic findings of the resected appendix showed a diffuse eosinophilic infiltration from the muscular layer to the subserosal layer of the appendix wall (H&E stain, A: x40 and B: x400).
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F1
The appendectomy specimen showed eosinophilics were infiltrating the muscular and subserosal layers of the appendix wall (Fig. 1).
Microscopic examination of the gastric antrum (A: H&E stain, x400) and duodenum (B: H&E stain, x400) showed inflammation with eosinophilic infiltration. Extracellular eosinophilic staining constituents were observed in the lamina propria.
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F2
Biopsies of the gastric antrum and proximal duodenum revealed inflammation with eosinophilic infiltration (Fig. 2).
A punch biopsy of the abdominal skin revealed perivascular and interstitial inflammation with marked eosinophilic infiltration from the dermis to the subcutaneous fatty layer (H&E stain, x400).
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F3
Although an abnormal skin lesion was not observed, a punch biopsy of the central abdominal skin revealed diffuse perivascular and interstitial inflammation with marked eosinophilic infiltration (Fig. 3).