Annales de dermatologie et de venereologie · 2014
[Acantholytic dermatosis in patients treated by vemurafenib: 2 cases].
Клинический случайСтатьяНазвание и аннотация: Перевод пока не подготовлен
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Sabatier-Vincent M, Charles J, Pinel N, Challende I, Claeys A, Leccia M-T
Аннотация
BACKGROUND: Acantholytic dyskeratosis under BRAF inhibitors are dermatological diseases rarely reported to date.
PATIENTS AND METHODS: We report 2 cases of acantholytic dyskeratosis, reaching the trunk and the seborrheic zones, not itchy, appeared one month after the introduction of vemurafenib. The histological analysis was typical of a "Grover-like rash" for the 2 patients.
DISCUSSION: The appearance of acantholytic dyskeratosis under vemurafenib, a BRAF inhibitor, seems related with a paradoxical activation of the MAP-kinases pathway and with a growth acceleration of lesions in which RAS mutations of keratinocytes. Theses dermatoses seem also to occur with dabrafenib.
CONCLUSION: The patients treated by BRAF inhibitors (vemurafenib and dabrafenib) can present acantholytic dyskeratosis. The arisen of this mild dermatosis does not question, of course, the continuation of the treatment. These cutaneous manifestations can be managed with emollients.
PATIENTS AND METHODS: We report 2 cases of acantholytic dyskeratosis, reaching the trunk and the seborrheic zones, not itchy, appeared one month after the introduction of vemurafenib. The histological analysis was typical of a "Grover-like rash" for the 2 patients.
DISCUSSION: The appearance of acantholytic dyskeratosis under vemurafenib, a BRAF inhibitor, seems related with a paradoxical activation of the MAP-kinases pathway and with a growth acceleration of lesions in which RAS mutations of keratinocytes. Theses dermatoses seem also to occur with dabrafenib.
CONCLUSION: The patients treated by BRAF inhibitors (vemurafenib and dabrafenib) can present acantholytic dyskeratosis. The arisen of this mild dermatosis does not question, of course, the continuation of the treatment. These cutaneous manifestations can be managed with emollients.