System: Musculoskeletal
Section: Classifications
Modality: X-ray (Frontal)

- “ Risser stage 4 corresponds to more than 75% of apophysis ossification with no fusion to iliac crest, indicating slowing of growth.   ”

Used in the following article:

  • Risser classification - “ The Risser classification is used to grade skeletal maturity based on the level of ossification and fusion of the iliac crest apophyses. Classifi...”

View full size version of Iliac crest - Risser stage 4

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