Epidermal Papillomas with Virus-like Particles in Flathead Sole, Hippoglossoides elassodon
S. R. Wellings 1 and
R. G. Chuinard 1
1 Department of Pathology, University of Oregon Medical School, Portland, and Friday Harbor Laboratories, University of Washington, Friday Harbor
Epidermal papillomas frequently occur on the external surfaces of flathead sole, Hippoglossoides elassodon, in the waters of San Juan Islands, Washington. Virus-like particles and associated granular bodies, also of possible viral nature, are commnonly found in the neoplastic epithelial cells of these tumors. Similar structures are not observed in normal epidermis.