Disseminated Xanthogranuloma Harboring a GAB2::BRAF Fusion and MITF Pathogenic Variant Successfully Treated With Cobimetinib: A Rare Case Report.
Several activating mutations and gene fusions involving the mitogen-activated protein kinase (MAPK) pathway have appeared in the literature regarding histiocytic neoplasms. We identified a GAB2::BRAF fusion in a cutaneous lesion of a 36-year-old male who developed central diabetes insipidus and reddish-pink grouped pap...