RT Journal A1 Rose AA T1 THe causes and treatment of backache in women JF Journal of the American Medical Association JO Journal of the American Medical Association YR 1909 FD January 23 VO LII IS 4 SP 314 OP 314 DO 10.1001/jama.1909.02540300054015 UL http://dx.doi.org/10.1001/jama.1909.02540300054015 AB To the Editor:  —Dr. Leon F. Garrigues, in his article with the above title in The Journal, January 2, has omitted one of the most important causes of backache, namely a peculiar chronic periostitis of one of the spinal processes, generally of a lumbar or sacral vertebra. The affection, according to my experience, is by no means a rare one, but very few physicians seem to recognize it. The characteristics are circumscribed pain on pressure on the affected process. The pain is present especially during the night when the patient is in a warm bed or on awakening in the morning; there is less or no pain during the day while the patient is about. There is slight elevation of temperature in the evening. The pain radiates sideways or downward; never ceases on its own account, but lessens and gradually will cease entirely under treatment for periostitis, which in this