''Metaphyseal'' cysts in legg-calve-perthes' disease

S. A. Hoffinger, George T Rab, P. B. Salamon

Research output: Contribution to journalArticlepeer-review

16 Scopus citations


Radiographic changes in the femoral metaphysis in Legg-Calve-Perthes' (LCP) remain poorly understood. Our hypothesis was that these ''cysts'' are not truly metaphyseal but are metaphyseal changes radiographically projected onto the metaphysis. Surface epiphyseal changes were made on a normal hip and a hip with LCP. These ''lesions'' appeared metaphyseal on radiograph, and in the specimen with LCP, projected deep within the metaphysis due to flattening and three-dimensional distortion. ''Metaphyseal'' cysts in LCP may be epiphyseal changes superimposed on the metaphysis. This would explain the correlation between the presence of a ''metaphyseal'' lucency and final result, since it is simply another indicator of the extent of epiphyseal involvement.

Original languageEnglish (US)
Pages (from-to)301-307
Number of pages7
JournalJournal of Pediatric Orthopaedics
Issue number3
StatePublished - 1991

ASJC Scopus subject areas

  • Orthopedics and Sports Medicine
  • Pediatrics, Perinatology, and Child Health
  • Surgery


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