====== 1893 ====== [[1892]]-[[1894]] Pyogenic Disease of the Brain and Spinal Cord, Meningitis, Abscess of the Brain, Infective Sinus Thrombosis, published in [[1893]], [[William Macewen]] advised draining the abscess and treating the underlying causative sinus infections ((Pyogenic Infective Diseases of the Brain and Spinal Cord; Meningitis, Abscess of the Brain, Infective Sinus Thrombosis. Annals of Surgery. 1894;20(4):489-494.)).