MONDO_0014178 (inclusion body myopathy with early-onset Paget disease with or without frontotemporal dementia 2) is any inclusion body myopathy with Paget disease of bone and frontotemporal dementia in which the cause of the disease is a mutation in the HNRNPA2B1 gene. Also known as: HNRNPA2B1 inclusion body myopathy with Paget disease of bone and frontotemporal dementia, inclusion body myopathy with Paget disease of bone and frontotemporal dementia caused by mutation in HNRNPA2B1, inclusion body myopathy with early-onset Paget disease with or without frontotemporal dementia type 2.