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Alfred, Austrian dermatologist, 1858-1922. See: lines of Blaschko.
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"Pruritic, Purple, Polygonal, Planar, Papules and Plaques" are the traditional 6 "P's" of LP.7 Annular lesions are especially common on the penis and rarely may be the predominant type of lesion present, later leading to atrophy.8 When the palms and soles are affected, the lesions tend to be firm and rough with a yellowish hue.9 Linear LP occurring in Blaschko's lines can also be observed.10 Mucous membrane lesions are very common, occurring in 30-70% of cases.
Linear atrophoderma of Moulin (LAM) is an acquired condition that presents with unilateral, depressed plaques following Blaschko's lines (3).
Shalin, "Interface dermatitis along Blaschko's lines," Journal of Cutaneous Pathology, vol.
Most of the lesions usually follow the Blaschko's lines. The lines of Blaschko represents the developmental growth pattern during epidermal cell migration.
According to the American Osteopathic College of Dermatology, Blaschko's lines follow a V- shape over the upper spine, an S- shape over the abdomen, an inverted U- shape from the breast to the upper arm, and perpendicular lines up and down the arms and legs.
The lesions have a linear distribution following Blaschko's lines. Pityriasis lichenoides is an uncommon benign skin disorder with two major variants: acute and chronic.Herein, we report the case of an 11-year-old girl with concurrent pityriasisli chenoides chronica and lichen striatus, a previously unreported association.
Blaschko's lines are a nonrandom cutaneous distribution pattern of pigment anomalies caused by migration of skin cells that is believed to start during emhryogenesis.
A case of extragenital lichen sclerosus following Blaschko's lines. J Am Acad Dermatol 2000; 43:903 4.
The distribution of all of these variants follows Blaschko's lines, which may be explained by cutaneous mosaicism (6).
Nevus comedonicus along Blaschko's lines. Indian J Dermatol Venereol Leprol.
Blaschko's lines (BL) are the surface patterns manifest by various nevoid and acquired skin diseases on the human skin and mucosa.