Fig. 23.1
Clinical features of pemphigus foliaceus/fogo selvagem. (a) Localized (forme fruste), erosion(s) and/or crusted lesion(s) on photo-exposed/seborrheic areas. (b) Bullous invasive (generalized variant), disseminated superficial vesicles/blisters. No mucosal involvement. Circinate, erythematous plaques (resemble skin lesions seen in those infected with tinea imbricata). (c) Erythroderma (generalized variant), exfoliative erythroderma. (d) Hyperkeratotic, hyperkeratotic and hyperpigmented papules/plaques on the trunk. (e) Hyperpigmented, usually present at disease remission, may indicate a good prognosis. (f) Herpetiform, clustered vesicles accompanied, preceded, or succeeded by urticarial plaques
Pemphigus erythematosus (PE) is a distinct variant of PF that has clinical features similar to those of both PF and lupus erythematosus (LE). Flaccid vesicles and/or erosions are present on seborrheic areas of the skin. Like LE, lesions are photodistributed on areas of the upper chest and back and in a malar pattern on the face. Lesions, especially those on the face and scalp, are often hyperkeratotic with thick, greasy scales and yellow crusts [40].
PF may occasionally present with atypical skin findings. Several cases have described PF presenting as an acute eruption of many hyperpigmented and hyperkeratotic verrucous papules and plaques that closely resemble the appearance of seborrheic keratoses [41, 42]. Children with PF may present with flaccid vesicles and bullae and/or erosions in an arcuate, circinate, and/or polycyclic pattern [43]. PF presenting as an isolated erythematous plaque on the cheek with a “peau d’orange” appearance has also been reported [44].
23.4 Prognosis
Death occurs in 5–10 % of FS/PF patients and usually results from complications of prolonged systemic immunosuppressive therapy or secondary infections. Eczema herpeticum (herpes simplex), disseminated Strongyloides stercoralis, or bacterial sepsis may be fatal [38].
References
1.
2.
3.
Yamamoto S, Kanekura T, Gushi A, et al. A case of localized pemphigus foliaceus. J Dermatol. 1996;23:893–5.PubMed
4.
Nousari HC, Moresi M, Klapper M, Anhalt GJ. Nonendemic pemphigus foliaceus presenting as fatal bullous exfoliative erythroderma. Cutis. 2001;67:251–2.PubMed
5.
6.
7.
Sampaio SA, Rivitti EA, Aoki V, Diaz LA. Brazilian pemphigus foliaceus, endemic pemphigus foliaceus, or fogo selvagem (wild fire). Dermatol Clin. 1994;12(4):765–76.PubMed
8.
Culton DA, Qian Y, Li N, et al. Advances in pemphigus and its endemic pemphigus foliaceus (fogo selvagem) phenotype: a paradigm of human autoimmunity. J Autoimmun. 2008;31(4):311–24.CrossRefPubMedCentralPubMed
9.
10.
11.
12.
Robledo MA, Prada S, Jaramillo D, et al. South American pemphigus foliaceus: study of an epidemic in El Bagre and Nechi, Colombia 1982 to 1986. Br J Dermatol. 1988;118:737–44.CrossRefPubMed