Botulinum toxin may offer a practical new option for patients with painful, treatment‑resistant ischemic lesions of the fingers, according to a systematic review and individual‑patient meta‑analysis published in JAMA Dermatology  by investigators at the McGill University Health Centre (MUHC) in Montreal. Researchers at the Research Institute of the MUHC report that injections of botulinum toxin were associated with complete healing of digital lesions in more than 85% of 119 p