TY - CHAP M1 - Book, Section TI - Nuances in Skin of Color A1 - Kelly, A. Paul A1 - Heidelberg, Karen A. A2 - Kelly, A. Paul A2 - Taylor, Susan C. A2 - Lim, Henry W. A2 - Serrano, Ana Maria Anido PY - 2016 T2 - Taylor and Kelly's Dermatology for Skin of Color, 2e AB - KEY POINTSVisual observation can be more useful than sophisticated technology in distinguishing abnormalities from common nuances of skin of color.Futcher lines, abrupt color demarcations on the flexor surface of the upper arm, are common among adults with skin of color, although rare in infants.In children, hair lines, characterized by an abrupt linear demarcation between the darker, lateral, lanugo hair-containing area of the arm and the medial non-hairy area, occur in a similar pattern as Futcher lines.Forearm and thigh lines, less common than Futcher lines and often hard to distinguish, are seldom mentioned in the literature.Linea nigra and linea alba demarcations of the trunk are common among patients with darker skin of color.Although not found in infants, palmar and plantar hyperpigmentation becomes more common in older patients.Infants with darker skin of color frequently have localized areas of hyperpigmentation.Hyperpigmentation of the oral mucosa and sclera, although common in adults, is not found in young children, but infants often have a lip discoloration that disappears quickly.Melanonychia striata, common in older adults, is rare in young children, suggesting trauma as the usual cause, although melanoma must be considered.Idiopathic guttate hypomelanosis, characterized by hypopigmented patches primarily on the anterior leg, is more common in older patients.Mongolian spots that present in Native American, Asian, and African American infants may not appear in the classic lumbosacral region but rather on the hip. SN - PB - McGraw-Hill Education CY - New York, NY Y2 - 2024/03/28 UR - dermatology.mhmedical.com/content.aspx?aid=1161545089 ER -