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Parthenon; p.65, 2000; J Emerg Med 10:71–77, 1992
Coccidioidomycosis 
JAAD 21:1138–1141, 1989
Coxsackle A16 – linear erosions
Coxsackie B4 – linear purpura of the ankles
Cutaneous larva migrans; including oral irregular linear lesions
Oral Surg 77:362–367, 1994
Echovirus 6 
Am J Dis Child 133:283, 1979
Eczema herpeticum
Gnathostomiasis
Gypsy moth caterpillar dermatitis 
JAAD 24:979–981, 1991 
Hand, foot and mouth disease
Herpes simplex – linear intertrigo; linear distribution on face;
linear tongue fissure in HIV patients (herpetic geometric
glossitis); eczema herpeticum
Jellyfish sting, including Portuguese man-of-war sting
Larva currens (
Strongyloides) Dermatol Clin 7:275–290, 1989;
AD 124:1826–1830, 1988
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Leeches
Leishmaniasis – post-kala-azar dermal leishmaniasis;
Koebnerized papules 
BJD 143:136–143, 2000
Leprosy – visible and palpable nerves including posterior
auricular nerve – thickening of peripheral nerves can occur in
all forms of leprosy 
Int J Lepr Other Mycobact Dis 62:37–42,
1994; localized linear lesions of lepromatous leprosy Indian
J Lepr 73:343–348, 2001; differentiate from palpable peripheral
nerves of hereditary sensory motor neuropathy type III;
amyloidosis 
Rook p.1231, 1998, Sixth Edition
Loiasis – linear cord 
BJD 145:487–489, 2001
Lymphogranuloma venereum – inguinal adenitis with abscess
formation; sign of the groove – groin fold dividing the swollen
lymph nodes 
Genital Skin Disorders, Fischer and Margesson,
CV Mosby p.147, 1998; Int J Dermatol 15:26–33, 1976
Molluscum contagiosum
Mycobacterium tuberculosis – lupus vulgaris; sporotrichoid
pattern 
Int J Derm 40:336–339, 2001
Myiasis, migratory
Papular urticaria
Phaeohyphomycosis – linear vegetative plaques of legs;
Coniothyrium 
Cutis 73:127–130, 2004
Scabies
Scarlet fever – Pastia’s lines (linear petechial streaks of the
flexures) 
JAAD 39:383–398, 1998, Clin Inf Dis 14:2–13, 1992
Snake bite fang marks
Sparganosis – linear migratory erythema with or without pustules
Sporotrichosis – healed – linear scars
Staphylococcal scalded skin syndrome
Streptococcal infection – linear crusts of group B 
Streptococcus
infection of the penis
JAAD 20:367–390, 1989
Syphilis – tertiary – linear scars; perioral rhagades
Rook p.1255, 1998, Sixth Edition; congenital – linear scar
Actas Dermosifiliogr 56:203–206, 1965 (Spanish) 
Tinea corporis in HIV disease
Tinea versicolor
Varicella, congenital – linear erosions; linear array of scars –
intrauterine varicella 
JAAD 43:864–866, 2000; AJDC
117:231–235, 1969
Verrucae, including flat warts (Koebnerized), cutaneous horn due
to warts 
Rook p.1037, 1998, Sixth Edition; wart over nail matrix –
longitudinal nail groove 
Rook p.2827, 1998, Sixth Edition
Yaws – secondary (crab yaws) – linear fissures of hyperkeratotic
plantar surfaces 
Rook p.1270, 1998, Sixth Edition