The most commonly encountered pathogenic variants in the geriatric MM group were BRAF V600E (14.55%) and V600K (7.27%) variants in Exon 15 followed by NRAS (9.09%), NF1 (9.09%), KIT (5.45%), KRAS (5.45%), CDKN2A (3.64%), and PTEN (3.63%). The gene discussed is KIT; the disease is Miyoshi myopathy.