[Montgomery xanthomatosis (author's transl)].

A typical case of Montgomery xanthomatosis is reported by the authors. Out of this case and of a hundred other ones gathered from the literature, they outline the main features of the disease. It is revealed as being stereotyped and particularly the prognosis is usually good. Whether the ultra structural study may show Langerhans corpuscules or not, it brings us a material to the discussing of border-line cases (xanthomatosis with diabetes insipidus, Hand-Schüller-Christian disease with cutaneous lesions similar to Montgomery's.