In lichen planus all the following site are affected except?

In lichen planus all the following sites
are affected except ?
a) Flexor aspect of upper extrimities
b) Oral mucosa
c) Nails
d) Extensor aspect of upper extrimities
Correct Answer - D
Ans. D. Extensor aspect of upper extrimities
Sites of involvement in lichen planus
Flexors aspect of upper extremities and legs are the most common
site involved.
Oral mucosa involvement may lead to lacy pattern of lesions
Nail involvement may cause pterygium (most characteristic),
onychorrhexia, nail atrophy, anychia.
Hair involvement cause scaring alopecia
Inverse lichen planus affects axillae, groin, infraaxillary areas.