MASES Enthesitis Score

Assess enthesitis severity in spondyloarthritis using the Maastricht Ankylosing Spondylitis Enthesitis Score (MASES), examining 13 entheseal sites for tenderness on direct palpation.

Weight
Height
Clinical Guidance

BMI is a screening measure of body size, not a direct measure of body fat. The standard WHO categories are underweight (<18.5), normal (18.5–24.9), overweight (25–29.9), and obese (≥30).

BMI can overestimate body fat in athletes with high muscle mass and underestimate it in older adults with low muscle mass. Interpret it alongside waist circumference and clinical context rather than as a standalone diagnosis.

⚕ Clinical Disclaimer: These calculators are for educational and reference purposes only. Always verify results with qualified clinical judgment and current clinical guidelines. Do not use as a sole basis for medical decisions.
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How It Works

Assess enthesitis severity in spondyloarthritis using the Maastricht Ankylosing Spondylitis Enthesitis Score (MASES), examining 13 entheseal sites for tenderness on direct palpation

Each component has a specific meaning:

  • Examining 13 entheseal sites — The examining 13 entheseal sites recorded for the scenario being assessed.

Note: Interpret the mases result against the thresholds and context described above.

How to Use

Enter the examining 13 entheseal sites for the scenario you are assessing. Assess enthesitis severity in spondyloarthritis using the Maastricht Ankylosing Spondylitis Enthesitis Score (MASES), examining 13 entheseal sites for tenderness on direct palpation. Use the mases result to inform your calculation.

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Frequently Asked Questions