Gloucester Schoolboy, 5, Presents World's First Brain Tumour Case
A five-year-old schoolboy from Gloucester has left medical professionals astonished after being diagnosed with a rare brain tumour that caused his eye to swell to the size of a golf ball. Mason Hogg's condition represents a global first in paediatric medicine, with tumours located in unprecedented areas of his body.
Unprecedented Diagnosis and Medical Challenge
Mason was just four years old when his left eye began to bulge in July of last year. Initially, doctors were baffled by the swelling, advising his mother, Sarah Mckeown, to simply monitor the situation. Over the following three months, the swelling worsened dramatically, and Mason started complaining of pain in his eye and head. An MRI scan revealed the shocking truth: multiple meningiomas behind his eyes, at the top of his head, the base of his skull, and in his neck.
Meningiomas are rare tumours that develop in the thin tissue surrounding the brain. Medics informed Sarah that Mason is the first child in the world to have these tumours in such specific locations, making treatment exceptionally complex. The aggressive nature of the tumours raised grave concerns about potential complete loss of eyesight.
Surgical Intervention and Ongoing Struggles
By the time surgery was scheduled, Mason's eye had protruded by 5mm, resembling a golf ball stuck to the outside of his face. The tumour behind his left eye was compressing his optic nerve, threatening his vision. In January this year, surgeons performed a craniotomy, accessing the tumour through his eye and nose to remove soft parts at the base of his skull.
Post-surgery, Mason faced additional complications, including a paralysed vocal cord that affected his swallowing and speech, along with an aggressive cough. Further scans revealed another tumour behind his ear and one in his neck, adding to the medical mystery. Currently, his left eye remains slightly protruding, with vision limited to black and white blurs, and fears persist that the tumour may invade his right eye.
Global Research and Community Support
Scientists are now utilising Mason's unique case for extensive research, analysing his blood and tumour tissue to advance understanding of meningiomas. The lack of existing literature on his condition has prompted consultations with medical experts in America, highlighting the global significance of his case.
Despite these challenges, Mason is described as a very happy, clever, and inquisitive little boy who enjoys life fully. His family has been overwhelmed by support from the community, including a successful GoFundMe campaign for a trip to Legoland, showcasing the love and solidarity surrounding him.
Sarah Mckeown has issued a plea for any insights from other families or consultants, emphasising the difficulty of navigating such a rare and unprecedented medical journey. The family remains hopeful that Mason will retain his sight as they focus on healing after a tumultuous period.



