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April 1, 1933


JAMA. 1933;100(13):1014-1017. doi:10.1001/jama.1933.02740130018006

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Pellegrini-Stieda's disease is characterized by a semilunar-like bony formation in the region of the internal condyle of the femur and is always traumatic in origin. The condition has been and is being reported in the foreign literature. This is the first case to be described in the English literature. My object is to report one surgically treated case in detail and to discuss briefly the condition in general.

Pellegrini in 1905 called attention to a traumatic ossification of the collateral tibial ligament of the knee. The same year, Köhler reported a similar case and in 1907 Stieda, unaware of the previous work, again called attention to a semilunar-shaped calcification seen about the superior border of the internal epicondyle of the femur. Pellegrini thought that the disease was traumatic. Stieda believed it was due to a fracture with a detachment of a small particle of bone at the moment of injury,

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