Dr. Reza Orthopaedics, Hand & Trauma Surgical Solution, Barishal

02/01/2026

31/12/2025

🦴 Paediatric Elbow X-rays made easy – remember CRITOE! 👶📸

The elbow has six key ossification (growth) centres that appear in a predictable order.
Knowing this sequence is essential when reading paediatric elbow X-rays and avoiding missed fractures.

🔑 CRITOE – The Order & Approximate Ages
This classic mnemonic helps distinguish normal development vs pathology:
C – Capitellum: ~ 1 year
R – Radial head: ~ 3–5 years
I – Internal (medial) epicondyle: ~ 5–7 years
T – Trochlea: ~ 8–10 years
O – Olecranon: ~ 8–10 years
E – External (lateral) epicondyle: ~ 10–13 years

📌 Ossification progresses from infancy → adolescence, with fusion marking skeletal maturity.

💡 Why it matters
Avoids mistaking normal ossification for fractures
Helps detect subtle injuries (e.g. medial epicondyle avulsions)

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