Hendrick Steven H
Ontario Veterinary College, University of Guelph, Guelph, Ontario N1G 2W1.
Can Vet J. 2002 Aug;43(8):617-9.
This case is considered atypical because the clinical signs are exemplary of both the systemic and localized forms of the disease. Although diseases are commonly described and differentiated as either multisystemic or localized, as demonstrated here, disease expression can be a continuum between 2 distinct phenotypes.