M71.39 Other bursal cyst, multiple sites

Name of the Condition

• Other bursal cyst, multiple sites

Summary

An other bursal cyst, multiple sites, is a fluid-filled sac that forms in or around bursae at more than one anatomical location. These cysts are non-cancerous and develop due to irritation, inflammation, or structural changes in the bursae, which are small lubricating structures that reduce friction between tissues. The term "multiple sites" indicates the cysts are present in more than one area, potentially causing localized swelling or discomfort across affected regions.

Causes

Other bursal cysts can develop due to repetitive motion, direct trauma, or underlying inflammatory conditions affecting the bursae. They may also arise from degenerative processes or mechanical stress on bursal tissue. When cysts occur at multiple sites, causes may include widespread joint use, systemic inflammatory conditions, or repeated trauma across different areas.

Risk Factors

• Repetitive or prolonged pressure on bursae (e.g., from kneeling, leaning, or overhead activities)
• Occupational or athletic activities involving repetitive joint use across multiple areas
• Pre-existing inflammatory conditions (e.g., arthritis)
• Recent injury or surgery near multiple bursae
• Age-related degenerative changes affecting multiple joints

Symptoms

• Swelling or visible lumps at multiple affected sites
• Pain or tenderness, especially with movement or pressure
• Limited range of motion in adjacent joints
• Discomfort or stiffness in affected areas

Diagnosis

Diagnosis typically involves a physical examination to assess cyst characteristics at multiple sites, along with imaging (e.g., ultrasound or MRI) to evaluate tissue changes. Fluid aspiration may be performed if diagnosis is uncertain, and clinical correlation with patient history is essential to confirm multiple-site involvement.

Treatment Options

• Observation for cysts causing no significant symptoms
• Rest and activity modification to reduce stress on affected areas
• Nonsteroidal anti-inflammatory drugs (NSAIDs) to manage pain and inflammation
• Physical therapy to improve range of motion and strengthen surrounding tissues
• Corticosteroid injections to reduce inflammation at specific sites
• Surgical intervention for persistent or symptomatic cysts

Prognosis and Follow-Up

Prognosis is generally favorable, as most cysts resolve with conservative management. Follow-up may involve monitoring for recurrence or progression, especially if underlying inflammatory conditions are present. Regular assessments can help determine if additional interventions are needed.

Complications

• Persistent pain or discomfort if cysts are untreated
• Limited mobility affecting daily activities
• Recurrence of cysts at multiple sites
• Infection or inflammation if cysts rupture or are aspirated

Lifestyle & Prevention

• Avoid repetitive motions that stress multiple joints
• Use protective gear during activities to reduce trauma
• Maintain a healthy weight to minimize joint stress
• Perform regular stretching and strengthening exercises
• Address underlying inflammatory conditions promptly

When to Seek Professional Help

Seek medical attention if symptoms worsen, new cysts develop, or mobility is significantly impaired. Prompt evaluation is recommended if cysts become red, warm, or painful, as these may indicate infection or inflammation requiring immediate treatment.

Tips for Medical Coders

Document the specific anatomical sites of cysts to support the "multiple sites" designation. Include clinical details such as imaging results, physical examination findings, or aspiration notes to confirm the diagnosis. Ensure documentation aligns with the ICD-10-CM code M71.39 for accurate coding.