SEGMENTAL or UNILATERAL

Acneiform

Acne [CED 15;1542. BJD 117(sup 32);61]

Erythema

Drug eruption, here from ibuprofen in a 19-year-old woman [October 2007 Volume 57, Issue 4, Pages 690–699].

Papules

Lichen Planus

Metastatic Cancer [AD 1957;76;402]

Mosaic Neurofibromatosis
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Pigmentation

Atrophoderma Of Pasini And Pierini
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Nevus Spilus
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Quadrant Distribution of Dysplastic Nevus. Dysplastic nevi limited to one quadrant or unilateral [AD 1988;124;9272] have been reported. Melanomas have occurred [J Derm 1991;18;649].

Segmental Pigmentation Disorder

Purpura

B-Cell Leukemia. An 84-year-old man with B-cell chronic leukemia for 9 years developed nonpalpable ecchymosis on the left side of his hemithorax and upper and lower limbs. From JAAD Case Reports March 2015 Volume 1, Issue 2, Pages 49–50.

Lichen Aureus. A golden brown or yellowish orange macule or patch anywhere from 1 to 20 cm on the leg is characteristic. Zosteriform lesions occur [AD 1988;124;1573].

Telangiectasia

Unilateral Nevoid Telangiectasia
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White

Segmental Vitiligo. From Indian J Dermatol Venereol Leprol 2012;78:715-21.

Unique case of punctate vitiligo in a segmental distribution [Cutis. 2014 June;93(6):E1-E2].


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