Systemic Sclerosis Modified Rodnan Skin Score

Calculate the modified Rodnan skin score (mRSS) for systemic sclerosis by assessing skin thickness across 17 body areas on a 0–3 scale (total 0–51).

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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

Calculate the modified Rodnan skin score (mRSS) for systemic sclerosis by assessing skin thickness across 17 body areas on a 0–3 scale (total 0–51)

Each component has a specific meaning:

  • 17 body areas on a 0–3 scale — The 17 body areas on a 0–3 scale recorded for the scenario being assessed.

Note: Interpret the rodnan skin score result against the thresholds and context described above.

How to Use

Enter the 17 body areas on a 0–3 scale for the scenario you are assessing. Calculate the modified Rodnan skin score (mRSS) for systemic sclerosis by assessing skin thickness across 17 body areas on a 0–3 scale (total 0–51). Use the rodnan skin score result to inform your calculation.

Frequently Asked Questions