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Ultrasound‐guided core needle biopsy for the diagnosis of rhabdomyosarcoma in childhood

Most commonly a tissue diagnosis of rhabdomyosarcoma (RMS) in children is made by biopsy as opposed to primary resection. Open surgical procedures are often recommended to obtain sufficient material for accurate and complete diagnostic work up. Our institution has routinely used image‐guided needle biopsies for soft tissue tumour diagnosis. We therefore sought to assess diagnostic accuracy and completeness, and procedure safety of consecutive patients diagnosed by needle biopsies in a single institution.