Schneiderman Prelims Vol-I. qxd

DRUG-INDUCED
Piroxicam-induced dyshidrosis 
Cutis 35:485–486, 1985
INFECTIONS AND INFESTATIONS
Chronic mucocutaneous candidiasis
Dermatophyte infection – resembling crusted scabies
Tyring p.346, 2002
Mycobacterium terrae – hyperkeratotic plaque and osteomyelitis of
fingertip following metal staple puncture 
BJD 152:727–734, 2005
Mycobacterium tuberculosis – tuberculosis verrucosa cutis
Int J Derm 39:856–858, 2000
Onychomycosis – thickened nails
Osteomyelitis
Pinta – tertiary (late phase) – hyperkeratoses of forearms,
elbows, knees, ankles, legs, palms and soles 
Rook p.1274,
1998, Sixth Edition
Pyoderma
Scabies, crusted (Norwegian scabies) 
Tyring p.330, 2002;
Dermatology 197:306–308, 1998; AD 124:121–126, 1988;
thickened nails
Syphilis, secondary
Warts 
AD 138:405–410, 2002
Yaws
INFLAMMATORY DISEASES
Polymyositis – fingertip hyperkeratosis 
AD 129:1207–1208, 1993
Sarcoid – keratotic lesions of palms resembling psoriasis or
syphilis 
Rook p.2693, 1998, Sixth Edition; keratotic spines and
palmar pits 
BJD 95:93–97, 1976
METABOLIC
Acromegaly – onychauxis (hypertrophy of nail) 
Ghatan p.82,
2002, Second Edition
Pellagra
Porphyria – erythropoietic protoporphyria 
Eur J Pediatr
159:719–725, 2000; J Inherit Metab Dis 20:258–269, 1997;
BJD 131:751–766, 1994; Curr Probl Dermatol 20:123–134,
1991; Am J Med 60:8–22, 1976
Tyrosinemia type II (Richner–Hanhart syndrome) – erosions
of palms on thenar and hypothenar eminences, soles, tips of
fingers which later become hyperkeratotic 
JID 73:530–532, 1979
Zinc deficiency (acrodermatitis enteropathica) 
NEOPLASTIC
Acquired digital fibrokeratoma 
JAAD 12:816–821, 1985
Actinic keratoses 
JAAD 37:392–394, 1997
Bowen’s disease
Epidermal nevus
Keratoacanthoma
Lymphoma – cutaneous T-cell lymphoma 
BJD 136:617–619,
1997; localized Pagetoid reticulosis (Woringer–Kolopp disease)
BJD 147:806, 2002
Melanocytic nevus – keratotic melanocytic nevus 
J Cutan Pathol
27:344–350, 2000
Melanoma – developing in a palmoplantar keratoderma
(Greither’s disease) 
J Dermatol 22:55–61, 1995
Nevus comedonicus
Porokeratosis of Mibelli
Porokeratotic eccrine ostial and dermal duct nevus 
Bolognia
p.1753, 2003
Punctate porokeratosis
Seborrheic keratosis
Squamous cell carcinoma
Stucco keratosis
Trichilemmal horn – palmar cutaneous horn 
AD 120:386–387,
1984; BJD 100:303–309, 1979
Verrucous carcinoma
PARANEOPLASTIC
Palmar filiform hyperkeratosis 
JAAD 33:337–340, 1995
vs. Acanthosis nigricans
Arsenical keratoses
Lichen nitidus
Pitted keratolysis
Punctate porokeratosis
Verruca vulgaris