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lupus miliaris disseminatus faciei; facial idiopathic granulomas with regressive evolution (LMDF, FIGURE)

Etiology: - idiopathic Epidemiology: - rare, but may be more prevalent in Japan - young adults most commonly affected, but may occur at any age Pathology: - chronic, inflammatory dermatosis - may be variant of granulomatous rosacea - may be granulomatous reaction to hair follicle destruction or ruptured epidermal cysts - early lesions: - superficial perivascular & periappendiceal lymphocytic infiltrates - a few histiocytes & neutrophils - mature lesions - round granulomas, often with caseation necrosis mimicking miliary tuberculosis - mixture of sarcoidal & tuberculoid granulomas also may be seen - late lesions - fibrosis with scattered lymphocytes, histiocytes, & neutrophils - may be perifollicular - may show epidermal thinning * histopathology images [1,2] Clinical manifestations: - red-to-yellow or yellow-brown papules of the central face, especially on & around the eyelids - solitary lesions or in crops - lesions occasionally generalized - spontaneous resolution in 1-3 years common - residual scarring may be disfiguring - recurrence uncommon * images [1,3,4] Laboratory: - none indicated unless sacroidosis suspected Special laboratory: - skin biopsy if diagnosis is in doubt Radiology: - not indidated unless sacroidosis suspected Differential diagnosis: - acne vulgaris - complications of sarcoidosis - Hydroa vacciniforme - leprosy - rosacea - syringoma - trichoepithelioma Management: - pharmaceuticals - dapsone (oral) - oral dapsone + topical tacrolimus for refractory disease [4] - dapsone in combination with prednisolone [4] - other pharmaceutical treatments may be less effective [4] - intralesional triamcinolone - tetracycline - antimalarials - pyridoxine, riboflavin - isotretinoin - surgery - scar revision procedures (laser resurfacing, dermabrasion, chemical peel) may be useful for residal scarring - Laser therapy [3]

General

rosacea cutaneous lupus erythematosus miliaria (heat rash, sweat rash)

References

  1. Elston DM, James WD Medscape: Lupus Miliaris Disseminatus Faciei. https://emedicine.medscape.com/article/1070740-overview
  2. Lupus miliaris disseminatus faciei pathology DermNet NZ https://www.dermnetnz.org/topics/lupus-miliaris-disseminatus-faciei-pathology
  3. Jih MH, Friedman PM, Kimyai-Asadi A et al Lupus Miliaris Disseminatus FacieiTreatment With the 1450-nm Diode Laser. Arch Dermatol. 2005;141(2):143-145 PMID: 15724009 https://jamanetwork.com/journals/jamadermatology/fullarticle/392277
  4. Gosch M, Larrondo J. Images in Dermatology Lupus Miliaris Disseminatus Faciei. JAMA Dermatol. Published online January 19, 2022 PMID: 35044421 https://jamanetwork.com/journals/jamadermatology/fullarticle/2787960