Eosinophilic pustular folliculitis pathology

Authors: Dr Achala Liyanage, Dermatology Fellow, Waikato Hospital, Hamilton, New Zealand; Assoc Prof Patrick Emanuel, Dermatopathologist, Auckland, New Zealand; Chief Editor: Dr Amanda Oakley, Dermatologist, Hamilton, New Zealand, January 2015.

Eosinophilic pustular folliculitis is a heterogeneous group of disorders consists of five clinical subsets including classic Ofuji disease, HIV-associated, paediatric, fungal and parasite-associated, and a miscellaneous group. All have similar histological appearance.

Histology of eosinophilic pustular folliculitis

In eosinophilic pustular folliculitis, there is eosinophilic spongiosis and pustulosis involving the infundibular region of the hair follicle. The follicular architecture is usually preserved. There can be minimal numbers of neutrophils or mononuclear cells within the infiltrate.

Images provided by Dr Duncan Lamont, Waikato Hospital

Special studies in eosinophilic pustular folliculitis

PAS or silver methenamine preparation should always be examined to exclude dermatophyte infections.

Differential diagnosis to eosinophilic pustular folliculitis

Dermatophyte infection

Related information

Email Newsletter

Would you like to receive our dermatology updates by email?

SIGN UP

Submit your images

We're seeking high-quality photos of skin diseases.  

SUBMIT A PHOTO

Machine diagnosis

Watch DermNet's proposal to create a 'Skin Disease Image Recognition Tool' - winner of the 2017 'Clinicians' Challenge Active Award' by the NZ Ministry of Health and HiNZ.

Subscribe to our mailing list

* indicates required
DermNet NZ Newsletter