["Knowledge of histopathology is essential for good neurosurgical practice but current pressures on neurosurgical trainees' time restrict opportunities to learn histopathology by traditional methods. The internet offers a possible alternative resource. The aim of this project was to assess the existing, free, internet-based resources for learning histology and histopathology, from the perspective of a neurosurgical trainee.", 'English language websites were evaluated by an expert, and by neurosurgical trainees, for the range of content, academic credibility, quality of the histopathological images, quality of supporting content, educational features and the usability.', 'Thirty-nine websites were examined in detail by the author. Although many websites were useful, no individual website met all the requirements. Five neuropathology websites were clearly superior to the others. These were then assessed by neurosurgical trainees. The results of the assessment, a brief resume of each website, and the characteristics of a good website for the surgical trainees to learn pathology are discussed.'] Do an evaluation of websites to help neurosurgical trainees learn histopathology?