The Rauber sign is a radiographic sign of meniscal injury. Originally described before the advent of MRI, more recent work has confirmed it as a specific sign for meniscal tears. The sign is more likely to be seen with older injuries.
On frontal radiographs, there is a projecting traction spur or periosteal deposition along the medial or lateral margin of the tibial plateau. It can be differentiated from an osteophyte by noting the lack of marginal lipping.
Special thanks to Dr. Stephen Bloom for the references.
References
- Ahn JM, Hwang JY, Lee M, Kim S, Lee SW, Ahn JH. Revisit of Rauber Sign: Radiographic Diagnosis of Meniscal Tear. RSNA 2003.
- Barucha E. Our experiences on the value of the Rauber roentgen sign in meniscus diagnosis. Monatsschr Unfallheilkd Versicherungsmed. 1960 Oct;63:370-5.
- Rauber A. Ein wenig bekanntes rontgensymptom bei älteren Meniscusfektionen. Z. Unfallmed. Berufskr. 1944(37): 167-178
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