Herring Lateral Pillar Classification (Perthes)
Herring Lateral Pillar Classification (Perthes) - a deterministic tool in Sophie Well's Clinical Scoring & Risk group.
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What this is
Herring Lateral Pillar Classification (Perthes) is one of 230 deterministic tools in Sophie Well's Clinical Scoring & Risk group. Herring Lateral Pillar Classification (Perthes) - a deterministic tool in Sophie Well's Clinical Scoring & Risk group.
When to use it
Use this tool when you need a quick, citable reference. Every calculation runs entirely in your browser - no inputs leave your device, no account is required, no AI is involved. The site enforces a strict Content Security Policy and ships no analytics or third-party CDN.
References
Herring JA, Neustadt JB, Williams JJ, Early JS, Browne RH. The lateral pillar classification of Legg-Calve-Perthes disease. J Pediatr Orthop. 1992;12(2):143-150. B/C border: Herring JA, et al. J Bone Joint Surg Am. 2004;86(10):2103-2120. Read the source ↗
Worked example: Herring group C: the lateral pillar is less than 50% of its original height; the poorest-prognosis group.
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