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Background: Adequate treatment of pain in children with cancer is a critical issue, and is of equal importance as discussions concerning chemotherapy, surgery and radiotherapy., Objective: To evaluate the treatment of refractory pain by peridural analgesia., Methods: Seven children (1-15 years) with solid tumors were treated with long term epidural analgesia for refractory pain. Catheters were inserted in epidural space (L1-L2) and infused with sufentanil, bupivacaine and clonidine., Results: Three out of five children with good response to peridural therapy could be discharged. A 12-month-old infant had a poor response. Treatment was discontinued in a teenager boy because of patient refusal. The side effects were: early catheter displacement in two patients and a bacterial contamination in one. Serious adverse effects related to high doses of opiates were not observed. However, toxicity of bupivacaine was observed in three patients leading to treatment discontinuation in one., Conclusion: Long-term epidural analgesia looks promising in selected children with refractory pain.

The diagnosis of a metastatic kidney tumor arising in a 2-month infant is discussed between atypical mesoblastic nephroma and clear cell sarcoma. The precocity of distant metastases, their location in bone marrow, liver and thoracic soft tissues, and their association with myelofibrosis set up an original clinical presentation which seems to have never been described elsewhere. Treatment strategy with surgery of the primary followed by a polychemotherapy combining vincristin-etoposide-ifosfamide and the short term follow-up are reported.