Keratosis lichenoides chronica successfully treated with isotretinoin and methotrexate

Erythema ab igne with features resembling keratosis lichenoides chronica

“…Colloid bodies are common in the superficial dermis. A mixed inflammatory infiltrate includes atypical lymphocytes, histiocytes, and plasma cells 3,5,6,13 . Of note, a vascular variant of KLC has been reported with dilated blood vessels 14 …”

“…A mixed inflammatory infiltrate includes atypical lymphocytes, histiocytes, and plasma cells. 3,5,6,13 Of note, a vascular variant of KLC has been reported with dilated blood vessels. 14 EAI is treated with removal of the offending heat source.…”

Oral lesions in keratosis lichenoides chronica – a distinct histopathological criterion

“…Since no subjective symptoms were present and no reliably effective therapy is known [1][2][3][4][5]7] -a circumstance partially confirmed by the lack of success of the therapies previously administered to our patient -we refrained from further treatment attempts.…”

“…Less frequently affected are the trunk, genitalia, and eyes. In 25 % [4] to 50 % [3] of cases, involvement of the oral mucosa also occurs, described as aphthoid [2,5], erosive [1,5] or ulcerative [3,[5][6][7]. Their precise appearance was not listed under the above criteria [4].…”

Mundschleimhautveränderungen bei Keratosis lichenoides chronica – authentisches histopathologisches Kriterium

“…Weniger häufig befallen sind Rumpf, Genitalien und Augen. In 25 % [4] bis 50 % [3] der Fälle tritt auch eine Beteiligung der Mundschleimhaut auf, beschrieben als aphthoid [2,5], erosiv [1,5] oder ulzerös [3,[5][6][7]. Sie wurde aber nicht unter den oben genannten Kriterien [4] geführt.…”