Schneiderman Prelims Vol-I. qxd

INFILTRATIVE LESIONS
Langerhans cell histiocytosis – masquerading as molluscum
contagiosum 
JAAD 45:S233–234, 2001; JAAD 13:481–496, 1985
INFLAMMATORY
Necrotizing infundibular crystalline folliculitis – follicular papules
with waxy keratotic plugs 
BJD 145:165–168, 2001
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A CLINICIAN’S GUIDE TO DERMATOLOGIC DIFFERENTIAL DIAGNOSIS, VOLUME 1
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Pyoderma gangrenosum-like lesions, polyarthritis, and lung
cysts with ANCA to azurocidin – umbilicated necrotic lesions
Clin Exp Immunol 103:397–402, 1996
Sarcoid 
JAAD 44:725–743, 2001
METABOLIC
Calcinosis cutis – transepidermal elimination of dystrophic or
metastatic calcinosis cutis 
AD 134:97–102, 1998; subepidermal
calcified nodule 
JAAD 49:900–901, 2003
Chronic renal disease – acquired perforating dermatosis of
chronic renal disease Acquired perforating disease 
Rook
p.2730, 1998, Sixth Edition; Int J Derm 32:874–876, 1993;
Int J Dermatol 31:117–118, 1992; AD 125:1074–1078, 1989
Phrynoderma – hyperkeratotic, umbilicated follicular papules
JAAD 41:322–324, 1999
Xanthomas, eruptive 
AD 137:85–90, 2001
NEOPLASTIC
Acantholytic acanthoma 
AD 131:211–216, 1995
Basal cell carcinoma
Dermatofibroma
Desmoplastic trichoepithelloma
Eccrine poroma 
BJD 146:523, 2002
Epstein–Barr virus associated lymphoproliferative lesions
BJD 151:372–380, 2004
Eruptive keratoacanthomas of Grzybowski 
AD 112:835–836, 1976
Eruptive vellus hair cysts 
AD 131:341–346, 1995
Fibrofolliculomas 
JAAD 17:493–496, 1987
Follicular tumors 
JAAD 15:1123–1127, 1986
Generalized eruptive histiocytoma 
BJD 144:435–437, 2001
Giant sebaceous hyperplasia 
AD 122:1101–1102, 1986
Hidradenoma papilliferum 
JAAD 41:115–118, 1999
Histiocytoma
Keratoacanthoma 
AD 120:736–740, 1984
Leiomyosarcoma 
Sem Cut Med Surg 21:159–165, 2002;
JAAD 38:137–142, 1998; J D Surg Oncol 9:283–287, 1983
Lichen planus-like keratosis
Lymphoma – CD30
+
anaplastic large cell lymphoma
JAAD 49:1049–1058, 2003; HTLV-1 granulomatous T-cell
lymphoma – umbilicated red–orange papulonodules 
JAAD
44:525–529, 2001
Lymphomatoid papulosis
Melanoma – amelanotic desmoplastic neurotropic melanoma –
umbilicated papule of nose 
AD 139:1209–1214, 2003
Metastases – adenocarcinoma of the lung 
Bolognia p.1954,
2003; squamous cell carcinoma
Nevus lipomatosis superficialis 
BJD 153:209-210, 2005
Palisaded encapsulated neuroma (red papule)
AD 130:369–374, 1994
Pilar cyst
Pilar sheath acanthoma – umbilicated skin-colored papule with
central keratinous plug of moustache area 
AD 114:1495–1497,
1978
Porokeratotic eccrine ostial and dermal duct nevus –
resemble nevus comedonicus; linear keratotic papules
with central plugged pit; may be verrucous; filiform; anhidrotic
or hyperhidrotic; most common on palms and soles
AD 138:1309–1314, 2002; JAAD 43:364–367, 2000;
JAAD 24:300–301, 1991; Cutis 46:495–497, 1990
Rhabdomyomatous mesenchymal harmartoma (striated muscle
hamartoma) (congenital) – asssociated with Dellemann’s
syndrome – multiple skin tag-like lesions of infancy 
Ped Derm
15:274–276, 1998
Sebaceous adenoma
Sebaceous hyperplasia
Spitz nevus 
AD 134:1627–1632, 1998
Squamous cell carcinoma
Syringocystadenoma papilliferum – umbilicated nodule of trunk
(shoulders, axillae, genitalia) 
AD 71:361–372, 1955;
linear syringocystadenoma papilliferum 
AD 121:1197–1202,
1985; AD 112:835–836, 1976
Syringoma
Trichoblastoma – umbilicated scalp nodule with central follicular
plug 
BJD 144:1090–1092, 2001
Trichofolliculoma – tuft of white hair issuing from central pore
Verrucous acanthoma
Verrucous perforating collagenoma 
Dermatologica 152:65–66,
1976
Waldenström’s IgM storage papules (macroglobulinosis) –
skin-colored translucent papules on extensor extremities,
buttocks, trunk; may be hemorrhagic, crusted, or umbilicated
JAAD 45:S202–206, 2001; AD 128:377–380, 1992
Warty dyskeratoma 
Ghatan p.341, 2002, Second Edition