Is PVL a disability or will it lead to one?

Hi, PVL is damage to the ventricles in the brain. These ventricles are largely responsible for the circulation of the Cerebro Spinal Fluid around the brain. PVL often does lead to a diagnosis of cerebral palsy or similar disability as the impairment to that part of the brain can affect movement, mobility and muscle tone. Cerebral Palsy is considered an umbrella term because there are many causes and no two people are affected in the same way so the condition can be very wide ranging. As mentioned in a previous posting on this page, you can find further information on the Scope website about PVL but I hope your son's Consultant will be talking to you about what services/therapies are available and how you son may be affected individually.
From your photo, your son still looks very young so the doctors may be running tests such as MRIs and Scans to determine the level of impairment but will also be waiting to see how he develops especially around the milestones of sitting, crawling, walking etc.