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(bərsī`təs), acute or chronic inflammation of a bursabursa
, closed fibrous sac lined with a smooth membrane, producing a viscous lubricant known as synovial fluid. Bursas are found in regions where muscles or tendons rub against other muscles, tendons, or bones.
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, or fluid sac, located close to a joint. In response to irritation or injury the bursa may become inflamed, causing pain, restricting motion, and producing more fluid than can be absorbed readily. An attack of bursitis usually causes great pain and tenderness in the affected area. Common areas of involvement include the shoulder and big toe (see bunionbunion,
swelling or thickening around the first joint of the big toe. The toe is forced inward and compresses the other toes. The fluid-filled sac, or bursa, in the toe joint becomes inflamed (a condition called bursitis), which may lead to pain, deformity, and an inability to
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). Depending on the cause and the degree of involvement, bursitis is treated with nonsteroidal anti-inflammatory drugsnonsteroidal anti-inflammatory drug,
a drug that suppresses inflammation in a manner similar to steroids, but without the side effects of steroids; commonly referred to by the acronym NSAID .
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 (NSAIDs), antibioticsantibiotic,
any of a variety of substances, usually obtained from microorganisms, that inhibit the growth of or destroy certain other microorganisms. Types of Antibiotics
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, corticosteroids, and immobility until the pain subsides. Superficial bursas, not necessary to the function of a joint, or bursas that have become calcified, may be excised.
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The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.



inflammation of the mucous sacs, predominantly in the region of the joints. In man the causes of bursitis are traumas, frequent and repeated mechanical irritations, infections, and diathesis. In acute bursitis swelling, edema, and pain are noted at the site of the mucous sac; within the sac there is a serous or purulent exudate, and more rarely (in traumatic bursitis), blood. Chronic bursites are frequently associated with occupation (bursitis of the knee joint in floor polishers, of the elbow in miners, and so on); they are manifested by thickening of the walls of the sac, a large accumulation of fluid in it, and so forth. Treatment includes resting the joint, thermal procedures, ultra-high frequency current, and, in a number of cases, surgery. While doing work associated with constant traumatization of the joint, it is necessary to wear a protective binding.

Bursitis of animals. The animals predominantly affected by bursitis are horses and cattle. Causes of the disease include prolonged mechanical irritation (lying on a hard floor, a poorly adjusted harness, and so on), traumatic injuries, certain infections and infestations (brucellosis, onchocerciasis, and other specific bursites). A painful swelling forms in the region of inflammation; in purulent bursitis the body temperature is elevated; in bursitis of the extremities there is limping. In the first days of the disease (nonpurulent bursitis) treatment consists of icepacks and tight bindings, then hot compresses and resolvent ointments. Prophylaxis is directed toward observance of hygienic rules of housing and maintaining animals.


Chastnaia khirurgiia domashnikh zhivotnykh, 3rd ed. Moscow-Leningrad, 1963.
Kanonov, G. A. “Bursity.” In Veterinarnaia Entsiklopediia, vol. 1. Moscow, 1968.
The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.


Inflammation of a bursa.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
The differential diagnoses of tubercular trochanteric bursitis include septic bursitis, chronic pyogenic osteomyelitis, post-traumatic bursitis, postural bursitis, idiopathic trochanteric bursitis and neoplasia (4,8).
Although trochanteric bursitis is regarded as a clinical diagnosis, several investigators have reported a limited role for imaging in confirming the diagnosis.
This regional pain syndrome, once described as trochanteric bursitis, often mimics pain generated from spinal pathology including degenerative lumbar spinal stenosis.
The differential diagnosis of the piriformis syndrome includes all other causes of low back pain and sciatica such as spinal stenosis, facet syndrome, sacroiliac joint dysfunction, trochanteric bursitis, pelvic tumor, endometriosis and various conditions irritating the sciatic nerve.
Patients with trochanteric bursitis report pain over the trochanteric area and lateral thigh.
One study reported that >50% of patients with trochanteric bursitis had a positive Patrick's test--the presence of pain with Flexion, ABduction, and External Rotation (FABER) of the affected hip.
You may have trochanteric bursitis, inflammation of the bursa overlying the bony point of the hip (trochanter).
I had a case of trochanteric bursitis recently, secondary to overusing the stair-stepper machine.
After loads of tests I was diagnosed with trochanteric bursitis, where the fluid sacs between your joints burst or bloat, causing pain and swelling.
Trochanteric bursitis: This bursa is located over the prominent bone on the side of your hip.
The previous day he was seen by a medical rehabilitation physician for trochanteric bursitis and received a local lidocaine/steroid injection.
Trochanteric bursitis, a type of lateral hip pain, is sometimes increased with greater fracture compression and is a recognized complication of solid sliding lag screws.