nail syndrome. ( 6627735 ) Haneke E. 1983 31 Immunofluorescent findings in oral bullous lichen planus. ( 383916 ) Goldstein B.H....Katz S.M. 1979 32 Bullous lichen planus caused by labetalol. ( 346143 ) Gange R.W....Jones E.W. 1978 33 Bullous lichen [malacards.org]

Sometimes degeneration (atrophy) of the skin may occur as lesions persist (atrophic LP) and some patients experience an absence of sweating due to degeneration of sweat glands (anhidrosis). [rarediseases.org]

When and if hair loss does occur, it can involve small patchy areas of the scalp (atrophic cictrical alopecia) or cause a receding hairline (frontal fibrosing alopecia). Due to scarring, this hair loss is permanent if untreated. [rarediseases.org]

(a) Appearance of subepidermal clefting due to extensive basal cell vacuolation and lymphocytic infi ltrate hugging the epidermis (H and E, 10) (b) High power view revealing clefting, pigment incontinence and dermal melanophages (H and E, 40) Click here [ijdvl.com]

[…] typically show histopathologic features indistinguishable from those of lichen planus: orthokeratosis, hypergranulosis, irregularacanthosis, basal cell hydropic degeneration with cytoid body formation, dense chronic inflammatory infiltration and pigment incontinence [jemds.com]

[…] found at the lower dermis and superficial epidermis.[ 20 ] Vacuolar degeneration of the basal layer is typical and results in separated spaces between the epidermis and the dermis, known as "Max-Joseph spaces".[ 21 ] Often there is presence of pigment incontinence [ncbi.nlm.nih.gov]