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Erosive pustular dermatosis of the scalp: a neutrophilic folliculitis within the spectrum of neutrophilic dermatoses. A clinicopathologic study of thirty cases.
No full textdiagnosing erosive pustular dermatosis of the scalp.
Objectives: Clinicopathologic correlation of erosive pustular dermatosis of the scalp.
Methods: The clinical and pathological records of patients with a clinicopathologic
diagnosis of EPDS, between 2011-2016, at the Dermatopathology Unit of the
University of Turin were reviewed.
Results: Thirty elderly patients with EPDS were identified, 22 males and 8 females.
Androgenetic alopecia was present in 16/30 patients. Triggering factors included
mechanical trauma in 10/30 cases, surgical procedures in 4/30, herpes zoster in 1/30.
Three patients were affected by autoimmune disorders. The vertex was the most
common location. Disease presentation varied markedly from tiny, erosive, scaly
lesions to crusted and hemorrhagic plaques, mimicking pustular pyoderma
gangrenosum. The pathologic changes differed according to the lesion type and
disease duration. Interestingly, a spongiotic and suppurative infundibulo-folliculitis was
observed in 8/30 cases.
Limitations: This was a retrospective study.
Conclusions: The primary lesion of erosive pustular dermatosis of the scalp is a
spongiotic, pustular superficial folliculitis. The clinicopathologic similarities with other
neutrophilic dermatoses, such as pustular pyoderma gangrenosum, suggest this
condition should be included in this spectrum, where pathergy plays a pathogenetic
role
LEISHMANIASI CUTANEA CRONICA AMASTIGOTE NEGATIVA. QUADRI CLINICO-PATOLOGICI INCONSUETI E PSEUDOLINFOMATOSI
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