11 March 2012
•2 minute read
Shoulder Pain in a 50-year-old Lady
Madam S is a 50-year-old government servant who came to see me about a year ago with a complaint of right shoulder pain for 3 months’ duration. The pain started as vague discomfort in her shoulder whenever she does overhead activities such as wiping her house windows, combing her hair or hanging clothes at home. She also has pain in the shoulder whenever she lies on the affected shoulder at night.
Lately, she thinks that the pain had gotten worse as she also started to have pain even on slight movement in her shoulder while doing her administrative work at the office. She found it difficult to button her bra and also to clean her back while bathing.
Madam S was diagnosed to have diabetes mellitus 3 years ago when routine blood checks revealed that she had elevated fasting blood glucose. She has quite a strong family history of diabetes, with her late father and two brothers were diagnosed to have diabetes.
Examination of her shoulder revealed subtle reduction in movement in her shoulder especially when she was asked to touch her back. Otherwise the examination was unremarkable.
Her X-rays were normal.
“What’s wrong with my shoulder Doc?” she asked with a rather concerned face. “Does this condition have something to do with my diabetes? Is it an infection Doc?”
This lady was suffering from ‘frozen shoulder’ – a condition caused by inflammatory shrinking and thickening in the shoulder capsular tissue (the encasing tissue of the shoulder joint). The inflammation causes the shoulder to become increasingly painful, and, with time, the shoulder becomes stiff and it will be quite difficult to move the affected shoulder in almost all directions.
The causes of frozen shoulder are:
- Unknown cause – this condition is also called ‘adhesive capsulitis’; in the majority of cases the cause is not identified but there is an association with certain medical conditions such as diabetes mellitus, ischemic heart disease, thyroid gland problems (hyper or hypo-) and Parkinson’s disease (a neurological condition that is progressive and characterized by involuntary movements and generalized rigidity of joints).
This type of frozen shoulder affects around 2% of the population and typically involves those in the 40-60 years age group. Women are more commonly affected than men.
- Prolonged immobilization – patients with shoulder injury particularly fractures or dislocations involving or near the shoulder that was operated upon or managed by immobilizing the shoulder joint has a high risk of developing this type of frozen shoulder.
- Irradiation to the shoulder region – patients who received radiation therapy (e.g. in breast cancer patients) may also develop this condition.
- Secondary to a specific shoulder problem for example in shoulder impingement syndrome. Impingement syndrome occurs as a result of tightening of space for the tendons of the shoulder to move, making overhead movements painful and limited. As a result of patients not moving their shoulder due to this pain, the shoulder gets stiffened and a ‘secondary’ frozen shoulder results. A tear in the tendon of shoulder movement (termed rotator cuff tear) may also result in secondary frozen shoulder.
Stages of Frozen Shoulder
Frozen shoulder has three stages – these stages tend to overlap and could take as long as two years to resolve even with proper treatment.
Stage I – ‘freezing stage’, characterized by increasing pain in the shoulder with movement; however shoulder motion is only mildly affected. This stage lasts from 2 to 4 months.
Stage II – ‘frozen stage’. As the name denotes, the main feature of this stage is stiffness of the shoulder, pain is slowly improving despite worsening in stiffness. The first movement to be affected is inward movement of the arm (for example – difficulty in scratching one’s back or strapping the bra) however in advanced stage II all movements are restricted. Duration – 4 months to 1 year.
Stage III – ‘thawing stage’. Pain is completely alleviated and stiffness improves during this final stage. This stage takes a year or longer to complete.
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11 March 2012
•2 minute read
Shoulder Pain in a 50-year-old Lady
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