PMC6299142_01
Clinical features of LA. Note the thickening of scalp with alopecia.
gr1.jpg
PMC6299142_01_gr1.jpg
fig1
Palpation of the scalp found marked bogginess and thickening (Fig 1) that instantly returned to normal after releasing pressure.
Histopathologic stain with hematoxylin-eosin stain. Note thickening of subcutaneous tissue.
gr2.jpg
PMC6299142_01_gr2.jpg
fig2
Hematoxylin-eosin stain of the scalp found decreased hair follicle density and a pauci-inflammatory process with thickening of collagen bundles and increased space between bundles suggestive of edema (Fig 2).
Close-up image of hair follicle in a patient with LA.
gr3.jpg
PMC6299142_01_gr3.jpg
fig3
No scar or mucin was present, and 1 anagen follicle was noted (Fig 3).