It is not improbable that they result from a mixed infection by pyogenic and tuberculous organisms.
"Manual of Surgery Volume Second: Extremities--Head--Neck. Sixth Edition."
Alexander Miles Alexis Thomson
The superior sagittal or longitudinal sinus is liable to be infected from pyogenic lesions of the scalp.
"Manual of Surgery Volume Second: Extremities--Head--Neck. Sixth Edition."
Alexander Miles Alexis Thomson
The disease usually runs a chronic course, lasting for one or two years, and, unless pyogenic infection is superadded, is not attended with fever.
"Manual of Surgery Volume Second: Extremities--Head--Neck. Sixth Edition."
Alexander Miles Alexis Thomson