Schneiderman Prelims Vol-I. qxd

EXOGENOUS AGENTS
Foreign body granuloma 
AD 139:1497–1502, 2003; secondary
infection 
Rook p.3164, 1998, Sixth Edition
Irritant dermatitis
Talc granuloma – older individuals 
BJD 83:151–156, 1970
Umbilical ring
INFECTIONS
Candidiasis – candidal intertrigo 
Rook p.3164, 1998,
Sixth Edition; candidal sepsis
Cellulitis
Chigger mite bites 
Ghatan p.101, 2002, Second Edition
Clostridial cellulitis 
AD 113:683–684, 1977
Cysticercosis 
J Trop Med Hyg 88:25–29, 1985
Diphtheria – superficial round ulcer with overhanging edge; gray
adherent membrane; later edge thickens and becomes raised
and rolled; umbilicus, post-auricular, groin, finger or toe web;
heals with scarring; crusts around nose and mouth with faucial
diphtheria 
Schweiz Rundsch Med Prax 87:1188–1190, 1998;
Postgrad Med J 72:619–620, 1996; Am J Epidemiol
102:179–184, 1975
Erythrasma
Herpes simplex
Herpes zoster
Impetigo
Lyme disease
Molluscum contagiosum
Mycobacterium tuberculosis – granuloma Ghatan p.101, 2002,
Second Edition
Omphalitis – neonatal omphalitis and cellulitis;
coagulase-negative staphylococcus 
Textbook of Neonatal
Dermatology, p.184, 190, 2001; Arch Derm 113:683, 1977
Pediculosis pubis
Pseudomonas Rook p.3164, 1998, Sixth Edition
Rubella, congenital – hyperpigmentation of forehead, cheeks,
umbilical area 
J Pediatr 71:311–331, 1967
Scabies – periumbilical papules 
Rook p.1460–1461, 1998,
Sixth Edition
Schistosomiasis – ectopic cutaneous granuloma – periumbilical
papules skin-colored papule, 2–3-mm; group to form mamillated
plaques; nodules develop with overlying dark pigmentation,
scale, and ulceration; periumbilical 
Dermatol
Clin 7:291–300, 1989; BJD 114:597–602, 1986; Ann DV
107:759–767, 1980; Br J Vener Dis 55:446–449, 1979
Staphylococcus aureus Rook p.3164, 1998, Sixth Edition
Staphylococcal scalded skin syndrome
Strongyloidiasis – periumbilical thumb-print purpura
JAAD 256:1170–1171, 1986
Tinea corporis
Urachal abscess 
J Clin Ultrasound 19:203–208, 1991
Verruca vulgaris 
Genitourin Med 70:49–50, 1994