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Abstract
An isolated eosinophilic granuloma involving the posterior elements of a lumbar vertebra is reported in a 3-year-old boy presenting with progressive limp. Radiological investigations revealed osteolysis of the L5 right pedicle. MRI showed a well-defined homogeneous mass with nonspecific signal intensity. An unusual feature was the paravertebral muscular location of the largest part of the tumour indicating a possible soft tissue origin. Immunohistochemical studies were typical for Langerhans' cell histiocytosis. CONCLUSION: A limp can be due to lumbar and paravertebral muscular location of Langerhans' cell histiocytosis.
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Bodart, E., Nisolle, J.-F., Maton, P., Delos, M., Trigaux, J.-P., Gilliard, C., Tuerlinckx, D., & Ninane, J. (1999). Limp as unusual presentation of Langerhans’ cell histiocytosis. European journal of pediatrics, 158(5), 384-386. https://doi.org/10.1007/s004310051097 (Original work published 1999)