Ranawat Classification (Rheumatoid Cervical Myelopathy)
The Ranawat classification of the neurologic deficit of the rheumatoid cervical spine, classes I / II / IIIA / IIIB.
Open the calculator → Runs in your browser. Data leaves only if you deliberately send a problem report from the interactive tool.
Example
- Ranawat class
- IIIA - objective weakness, ambulatory
Result: Ranawat class IIIA: objective weakness and long-tract signs, still ambulatory.
The tool opens with these values already filled in. Replace them with your own.
What the result means
- Class I
- Pain, but no neural deficit.
- Class II
- Subjective weakness, with dysesthesias and hyperreflexia.
- Class IIIA
- Objective weakness and long-tract signs, still ambulatory.
- Class IIIB
- Objective weakness and long-tract signs, no longer ambulatory.
What you enter
- Ranawat class
How this is calculated
Ranawat CS, et al. Cervical spine fusion in rheumatoid arthritis. J Bone Joint Surg Am. 1979;61(7):1003-1010. Read the source ↗
A reference and educational tool. Not medical, legal, or financial advice, and not a substitute for clinician judgment.