[Practice guideline 'Diagnostic techniques for soft tissue tumours and treatment of soft tissue sarcomas (revision)']
SourceNederlands Tijdschrift voor Geneeskunde, 149, 17, (2005), pp. 924-928
Article / Letter to editor
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Nederlands Tijdschrift voor Geneeskunde
SubjectUMCN 4.3: Tissue engineering and reconstructive surgery
Members of the Dutch working group on soft tissue tumours developed an up-to-standard evidence-based multidisciplinary clinical practice guideline for the diagnosis of soft tissue tumours and the treatment and follow-up of soft tissue sarcomas, in cooperation with the Dutch Association of Comprehensive Cancer Centres and the Dutch Institute for Healthcare Improvement. A soft tissue sarcoma is defined as every non-epithelial tumour that does not originate in haematopoietic or lymphatic system, central nervous system or bone. The guideline lists 'alarm signals' to raise awareness of malignancy and recommends consulting a multidisciplinary team. Non-invasive imaging has to be completed before proceeding to any invasive (diagnostic) procedure or assessment of dissemination. Aspiration cytology can be useful for differentiating between sarcoma and other malignancies. A definite diagnosis is obtained by means of image-guided needle biopsy. Tumours will be classified according to the World Health Organization and graded according to the Federation Nationale des Centres de Lutte Contre le Cancer. Surgical excision with a tumour free margin of 2 cm is the core of therapy, taking into account vital structures when necessary. In case of small superficial tumours (diameter < or = 3 cm) excision biopsy may be justified. Radiotherapy is almost always necessary and certainly indicated when wide margins are impossible even after re-resection. In the case of primary metastatic disease, an individual decision should be taken after multi-disciplinary consultation concerning the possibility of curative or palliative treatment. Neither neo-adjuvant nor adjuvant chemotherapy is standard. Chemotherapy may be useful in metastatic disease. The guideline advises referring patients who are eligible for chemotherapy to a centre and that they should be included in a study protocol.
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