Sea-blue histiocytes in canine ceroid-lipofuscinosis (CCL)

Cells corresponding to sea-blue histiocytes are described in bone marrow aspirates from dogs suffering hereditary ceroid-lipofuscinosis. Sea-blue histiocytes also occur in humans with so-called neuronal ceroid-lipofuscinosis and both exhibit strong autofluorescence. By quantitative fluorometric techniques, each species have similar spectral characteristics and, thus, the English setter with CCL can serve as a useful animal model.