B‐cell lymphoblastic lymphoma with cutaneous involvement and a KMT2A gene rearrangement. Issue 11 (15th April 2020) - Kemps, Paul G.; Cleven, Arjen H. G.; van Wezel, Tom; van Eijk, Ronald; Bot, Freek J.; Veelken, Hendrik; van Balen, Peter; Kerkhoffs, Jean‐Louis H.