Lichen planus ndi matenda aakulu dermatosis zomwe zimachitika makamaka muwazaka zapakati : imapezeka mu 2/3 ya milandu pakati pa zaka 30 ndi 60 ndipo imakhala yosowa pazaka zowopsya za moyo. Zimakhudza amayi ndi abambo. Zimakhudza pafupifupi 1% ya anthu.

Zikuwoneka, mu mawonekedwe ake, monga kuyabwa mascaly khungu kukweza kuyabwa, pa mafupa ndi mano makamaka. Zitha kukhudzanso minyewa yamkamwa ndi kumaliseche. Mawonekedwe ena amakhudza scalp (lichen planus pilaris).

Kodi lichen planus ili ndi chifukwa?

La chifukwa cha lichen planus sichidziwika ; timaganiza kuti akhoza kukhala a autoimmune process koma tilibe umboni.

ena matenda amagwirizana ndi lichen planus: thymoma, matenda a Castelman, matenda a Biermer, matenda a Addison, alopecia areata, shuga, ulcerative colitis ...

Mgwirizano ndi a chiwindi matenda matenda aakulu (choyambitsa matenda a biliary cirrhosis, hepatitis C, ndi zina zotero) zikuwoneka kuti ndizofala kwambiri kuwonongeka kwa mucous nembanemba mpango wa lichen.