IN AN article on so-called pustular psoriasis,1 one of us (W. S.) attempted to show that the disease was not related to psoriasis. As mentioned in a later report,2 in a series of cases of this disease careful repeated clinical examinations revealed no evidence of psoriasis any where on the body. Therefore, it was suggested that the term pustular psoriasis be dropped and acrodermatitis pustulosa perstans be substituted.
In our experience, cases of acrodermatitis pustulosa perstans often are diagnosed, both clinically and microscopically, as dermatophytosis, dermatophytids, mycotic eczema, contact dermatitis, pompholyx, nummular eczema or psoriasis. The features of pustules or vesiculopustules seen in the typical clinical picture may be absent at the time of examination and result in a picture which closely simulates the aforementioned dermatoses.
In our studies of clinical cases which were corroborated by characteristic microscopic changes, we were surprised to find
SACHS W, FIELD H. ACRODERMATITIS PUSTULOSA PERSTANS: Report of a Case in a Child. Arch Derm Syphilol. 1950;61(2):319–322. doi:10.1001/archderm.1950.01530090149014
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