{"ops":[{"insert":"A 60 year old man presented with numbness of both feet for 2 months, and was found to have isolated peripheral neuropathy secondary to underlying vitamin B12 deficiency.\n\nHe was diagnosed with type 2 diabetes mellitus 6 years ago, which is well controlled on Metformin alone. His medical history is otherwise normal.\n\nHe takes a mixed diet, and is on no other medications. A full blood count, blood film, iron studies, reticulocyte count and folate levels are all normal.\n"},{"insert":"\n"},{"insert":{"image":"\/storage\/case-images\/pd\/PD-M-027_en.png"}},{"insert":"\n"}]}