Retrocalcaneal Bursitis is an inflammation of the protective sack between the heel bone and the Achilles tendon. It is the inflamed bursa that produces the redness and swelling associated with Haglund's deformity.
Inflammation of the bursa causes synovial cells to multiply and thereby increases collagen formation and fluid production. A more permeable capillary membrane allows entrance of high protein fluid. The bursal lining may be replaced by granulation tissue followed by fibrous tissue. The bursa becomes filled with fluid, which is often rich in fibrin, and the fluid can become hemorrhagic. One study suggests that this process may be mediated by cytokines, metalloproteases, and cyclooxygenases.
What are the symptoms of heel bursitis? pain, swelling, tenderness, redness, and/or warmth at either the bottom of the heel or top of the heel, depending on the degree of swelling, pain may be a dull ache or substantial enough to cause limping, running, jumping, and walking activities may exacerbate pain, wearing poorly fitting, tight, or high-heeled shoes may exacerbate pain.
A good clinical practise includes evaluation of the tendon, bursa and calcaneum by, careful history, inspection of the region for bony prominence and local swelling as well as palpation of the area of maximal tenderness. Biomechanical abnormalities, joint stiffness and proximal soft tissue tightening can exacerbate an anatomical predisposition to retrocalcaneal bursitis, they warrant correction when present.
Non Surgical Treatment
Rest and apply cold therapy or ice. Ice should not be applied directly to the skin as it may cause ice burns but wrap in a wet tea towel. Commercially available hot and cold packs are often more convenience than using ice. Taping the bursa with a donut shaped pad to take some of the pressure from footwear may help. A doctor may prescribe anti-inflammatory medication e.g. ibuprofen to reduce the pain and inflammation. Applying electrotherapy such as ultrasound may reduce inflammation and swelling. A steroid injection followed by 48 hours rest may be given for persistent cases. If the bursitis is particularly bad and does not respond to conservative treatment then surgery is also an option.
Surgery is rarely done strictly for treatment of a bursitis. If any underlying cause is the reason, this may be addressed surgically. During surgery for other conditions, a bursa may be seen and removed surgically.