Transverse or beau lines

Question 1

findings

Answer 1

Findings:Transverse,bandlikedepressionsinnail,extending romonelateraledgetotheother,afect- ing all nails at corresponding levels

Question 2

duration

Answer 2

Duration:Thumbnails(linespresent or6to9months)andlargenails (linespresent orupto2years)aremostreliablemarkers

Question 3

etiology

Answer 3

Etiology:High ever,postnatal,cytotoxicdrugs, severe adverse cutaneous drug reaction, dermatologic disease (eczema, erythroderma, paronychia), viral in ection (hand- oot-and-mouth disease, measles), Kawasaki syndrome, and peripheral ischemia.
chemo tx