Schneiderman Prelims Vol-I. qxd

INFLAMMATORY DISEASES
Kikuchi’s histiocytic necrotizing lymphadenitis – ear papule 
BJD
144:885–889, 2001; JAAD 36:342–346, 1997
Lymphocytoma cutis – earlobe nodules 
Cancer 69:717–724,
1992; Acta Dv (Stockh)62:119–124, 1982; Cancer 24:487–502,
1969; idiopathic – ear lobe nodule JAAD 38:877–905, 1998
Pyoderma gangrenosum 
J Clin Gastroenterol 11:561–564, 1989
Sarcoid – lupus pernio 
JAAD 16:534–540, 1987; BJD
112:315–322, 1985; massive enlargement of ear lobes (turkey
ears) 
Rook p.2688, 1998, Sixth Edition; after ear piercing Clin
Exp Dermatol 8:199–200, 1983
METABOLIC DISEASES
Acrodermatitis enteropathica – dermatitis of ears
Addison’s disease – hyperpigmentation of ear 
Rook p.3030,
1998, Sixth Edition
Calcinosis cutis – solitary congenital calcified nodule of the ear
Am J Dermatopathol 4:377–380, 1982; nodular calcification of
Winer 
Textbook of Neonatal Dermatology, p.405, 2001
Crohn’s disease – metastatic Crohn’s disease 
BJD 95:551–554,
1976
Cryoglobulinemia – necrotic ears 
BJD 143:1330–1331, 2000
Gout 
Cutis 48:445–451, 1991; Ann Rheum Dis 29:461–468,
1970
Liver disease, chronic – telangiectasias of ears
Myxedema 
AD 122:85–88, 1986
Ochronosis – blue discoloration of cartilage, black cerumen
Rook p.3029, 1998, Sixth Edition
Paroxysmal nocturnal hemoglobinuria – hemorrhagic bullae
of ears
; petechiae, ecchymoses, red plaques which become
hemorrhagic bullae with necrosis; lesions occur on legs,
abdomen, chest, nose, and ears; deficiency of enzymes –
decay-accelerating factor (DAF) and membrane inhibitor
of reactive lysis (MIRL) 
AD 138:831–836, 2002; AD
114:560–563, 1978
Porphyria – porphyria cutanea tarda – sclerodermoid changes,
blisters, erosions, scarring, hyperpigmentation, hypertrichosis
Rook p.3029, 1998, Sixth Edition; congenital erythropoietic
porphyria (Gunther’s disease) – mutilation of the ears 
Semin
Liver Dis 2:154–63, 1982; erythropoietic porphyria – mutilation
of ears
Pretibial myxedema (thyroid acropachy) – verrucous plaque
JAAD 46:723–726, 2002; Rook p.2707, 1998, Sixth Edition
Verruciform xanthoma, disseminated 
BJD 151:717–719, 2004
Xanthomas – Alagille syndrome 
Ped Derm 15:199–202, 1998;
normolipemic xanthomatosis – skin-colored ear nodules 
JAAD
51:663–664, 2004