Explanation of the cover photograph
Trichoblastoma with Abundant Plump Stromal Cells in a Dog
Takayuki Mineshige et al. (pp. 735-739)

Double-labeled immunofluorescence microscopy of the tumor tissue. Green color indicates positive staining for CK clone AE1/AE3. Red color shows positive staining for vimentin. Nuclei are colored blue with 4,6-diamino-2-phenylindole. Neoplastic epithelial cells are positive for CK AE1/AE3 but not for vimentin. In contrast, plump stromal cells are positive for vimentin but not for CK AE1/AE3.

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