Neutrophilic sebaceous adenitis
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Synopsis
All reported cases have occurred in the third or fourth decade of life. More males with the diagnosis have been reported than females. The face is the area affected most commonly. Involvement of the chest, back, and upper extremities has also been reported. Lesions may evolve over a period of days to months and are usually asymptomatic, although pruritus may be present.
Genital neutrophilic sebaceous adenitis, also known as vulvar sebaceous adenitis, has been described in premenopausal women. This presentation is clinically distinct from neutrophilic sebaceous adenitis on the upper body. The genital disorder is painful and appears as yellow-orange papules varying in severity with stage of the menstrual cycle and responding to hormonal therapy.
Codes
ICD10CM:L73.9 – Follicular disorder, unspecified
SNOMEDCT:
3441005 – Disorder of sebaceous gland
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Differential Diagnosis & Pitfalls
- Discoid lupus erythematosus
- Tumid lupus erythematosus
- Granuloma faciale
- Sarcoidosis
- Secondary syphilis
- Acute febrile neutrophilic dermatosis (Sweet syndrome)
- Neutrophilic eccrine hidradenitis
- Rheumatoid neutrophilic dermatosis
- Vulvar sebaceous adenitis – clinically distinct, but in the histopathology differential diagnosis
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Last Reviewed:06/10/2019
Last Updated:01/09/2020
Last Updated:01/09/2020