A 66-year-old man presented with a six-year history of gradually progressive visual symptoms and difficulty getting dressed, reading, counting coins, and using his mobile phone. He also had difficulty in using stairs and walking on uneven ground. His visual problems continued to worsen, followed by a cataract surgery six years ago. Upon examination, he could not locate objects in space, recall few words, perform simple calculations, and draw intersecting pentagons. He scored 25/30 on the mini-mental state examination and had limb dyspraxia.
An axial T1-weighted MRI of his brain demonstrated posterior cortical atrophy (Cover image). What is the most likely reason behind these symptoms? Decipher the diagnosis based on the available information and image. *This image challenge is from the Editorial Team of Docplexus and is meant for educational purposes only. Click here for the correct…
