This section is from the book "A Manual Of Pathology", by Guthrie McConnell. Also available from Amazon: A Manual Of Pathology.
Tenosynovitis refers to an inflammation of the sheath of a tendon and may be acute or chronic, or serous, fibrinous, or purulent, or any combination, according to the exudate. The purulent is usually the result of a secondary infection.
Bursitis, inflammation of the bursa, is usually found in the prepatellar bursa as a result of chronic irritation, and is accompanied by effusion.
Tuberculosis may involve either of the above structures secondarily to disease of the bones and joints.