Skin and subcutaneous (L00-L99).
- Medicinal exanthema, lichenoides (“lichenoid”).
- Lichen sclerosus – rarely occurring, chronic inflammatory disease of the connective tissue, which is probably one of the autoimmune diseases.
- Papular syphilid – itching is low or absent.
- Pityriasis lichenoides – lues in the early syphilis (secondary stage)/sexual disease stage.
- Psoriasis punctata (psoriasis) – the Auspitz phenomenon, which is pathognomonic for psoriasis, is absent in lichen rubra planusAuspitz phenomenon: after removal of the lowest horny scales of a to psoriatic plaque (elevating, “plate-like” substance proliferation of the skin ), there is a small punctate bleeding (“bloody dew”)
Digestive system (K00-K93)
- Candidiasis of the oral mucosa – infectious diseases caused by fungi (fungi sprouts) of the genus Candida.
- Gingivitis marginalis (synonym: gingivitis simplex; inflammation of the oral mucosa).
- Leukoplakia of the oral mucosa – predominantly white change in the oral mucosa; most common premalignant (potentially malignant/malignant) change in the oral mucosa.
