Headache & Pain
Indomethacin-responsive headache syndromes
Nov. 05, 2021
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Lateral view of a patient's right knee showing Clutton’s joints due to congenital syphilis. Clutton's joints, also referred to as symmetrical hydrarthrosis of the knee joints, is a painless condition that often occurs during the late stages of congenital syphilis. It involves synovitis, or swelling of the joint, accompanied by collections of fluid within the joint capsule. (Source: CDC and Tichard Deitrick, 1959. Public Health Image Library, image 12598. Public domain.)