An article entitled "Lupus Erythematosus Profundus (Kaposi-Irgang)" by Harry L. Arnold Jr.1 induces me to call attention again to the symptomatology of lupus erythematosus hypertrophicus et profundus, a disease which, if observed a few times, can never be mistaken for anything else. The clinical picture is uniform, definite and distinctive, as I pointed out in a previous article on the subject.2 Differential diagnosis from Boeck's sarcoid, angiolupoid and other variants is clinically possible and not at all difficult. The only variation in its clinical picture is in the degree of severity of the lesions. It belongs to the classification of the fixed discoid variety of the disease but differs greatly from this in appearance.
A typical example of lupus erythematosus hypertrophicus et profundus is characterized by more or less oval or rounded, rather sharply outlined, greatly elevated plateau-like plaques with indurated, rolled borders and a variation
BECHET PE. LUPUS ERYTHEMATOSUS HYPERTROPHICUS ET PROFUNDUS: A Further Attempt to Elucidate Its Status. Arch Derm Syphilol. 1950;61(3):495–498. doi:10.1001/archderm.1950.01530100139024
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