Goutallier Grade (Rotator Cuff Fatty Infiltration)
The Goutallier classification of rotator cuff muscle fatty infiltration on CT/MRI, by the amount of fat relative to muscle in the cuff belly, grades 0/1/2/3/4.
Open the calculator → Runs in your browser. Data leaves only if you deliberately send a problem report from the interactive tool.
Example
- Goutallier grade
- 2 - less fat than muscle
Result: Goutallier grade 2: less fat than muscle (more muscle than fat).
The tool opens with these values already filled in. Replace them with your own.
What the result means
- Grade 0
- Normal muscle, no fatty streaks.
- Grade 1
- Some fatty streaks.
- Grade 2
- Less fat than muscle (more muscle than fat).
- Grade 3
- As much fat as muscle.
- Grade 4
- More fat than muscle.
What you enter
- Goutallier grade
How this is calculated
Goutallier D, Postel JM, Bernageau J, Lavau L, Voisin MC. Fatty muscle degeneration in cuff ruptures. Pre- and postoperative evaluation by CT scan. Clin Orthop Relat Res. 1994;(304):78-83. Read the source ↗
A reference and educational tool. Not medical, legal, or financial advice, and not a substitute for clinician judgment.