A 65-year-old man presented with a painful hip five years after a cemented replacement.Histological examination of a biopsy taken from tissue surrounding the femoral implant showed infiltration of a squamous-cell carcinoma.Further investigation revealed a primary growth in the left lung.This rare example of a metastasis in relation to a joint replacement illustrates the necessity for histological examination of the tissue adjacent to a loose prosthesis.
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Allain et al. (1998) studied this question.
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