Schneiderman Prelims Vol-I. qxd

VERRUCOUS LESIONS OF
THE LEGS
AUTOIMMUNE DISEASES, AND DISEASES
OF IMMUNE DYSFUNCTION
Fogo selvagem (endemic pemphigus) – verrucous prurigo
nodularis-like lesions 
JID 107:68–75, 1996; JAAD 32:949–956,
1995
Lichen planus pemphigoides
Lupus erythematosus – hypertrophic DLE
Pemphigus vulgaris
DRUG-INDUCED
Lichen planus-like drug eruption
INFECTIONS AND INFESTATIONS
Blastomycosis-like pyoderma
Chromomycosis – feet, legs, arms, face and neck 
AD
133:1027–1032, 1997; BJD 96:454–458, 1977; AD
104:476–485, 1971
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A CLINICIAN’S GUIDE TO DERMATOLOGIC DIFFERENTIAL DIAGNOSIS, VOLUME 1
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Cryptococcosis
Leishmaniasis – leishmaniasis recidivans (lupoid leishmaniasis) –
brown–red or brown–yellow papules close to scar of previously
healed lesion; resemble lupus vulgaris; may ulcerate or form
concentric rings; keloidal form, verrucous form of legs, extensive
psoriasiform dermatitis 
Rook p.1414, 1998, Sixth Edition
Mycetoma
Mycobacterium marinum AD 134:365–370, 1998; JAAD
24:208–215, 1991
North American blastomycosis – disseminated blastomycosis 
Am
Rev Resp Dis 120:911–938, 1979; Medicine 47:169–200, 1968
Paracoccidioidomycosis
Sporotrichosis
Trichophyton rubrum, invasive
Verrucae vulgaris of amputation stump
INFILTRATIVE DISEASES
Amyloidosis – lichen amyloidosis 
Rook p.2628–2630, 1998,
Sixth Edition
Lichen myxedematosus
Pretibial myxedema
Sarcoidosis
AD 133:882–888, 1997; AD 102:665–669, 1970;
mimicking hypertrophic lichen planus 
Int J Derm 28:539–541,
1989
NEOPLASTIC DISEASES
Epidermal nevus, linear
Hyperkeratotic lichen planus-like reactions combined with
infundibulocystic hyperplasia 
AD 140:1262–1267, 2004
Kaposi’s sarcoma 
Tyring p.223,376, 2002
Keratoacanthoma – classical; keratoacanthoma centrifugum
marginatum 
JAAD 30:1–19, 1994; AD 111:1024–1026, 1975
Melanoma – verrucous melanoma
Porocarcinoma 
BJD 152:1051–1055, 2005
Porokeratosis, linear 
Ped Derm 21:682–683, 2004
Squamous cell carcinoma