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A knotted problem
  1. Lakshmi Sundararajan
  1. Correspondence to Mrs Lakshmi Sundararajan, Department of Paediatric Surgery, University Hospital of Wales, Heath Park, Cardiff CF14 4XW, Wales, UK; lnambirajan{at}

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An 8-year-old boy with cystic fibrosis was planned for a course of home intravenous antibiotics. A peripherally inserted central catheter (PICC) was inserted from his left wrist on the third attempt. By the third day, he had developed a swollen red forearm. Clinically, a small non-tender nodule was palpable 1 cm proximal to a healthy insertion site. The line could not be …

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