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. It is pri...”

View full size version of Iliac crest (Risser stage 4)

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