Endoscopic closure of a colocutaneous fistula after placement of percutaneous endoscopic gastrostomy

A 16-year-old boy with a history of neurofibromatosis type 1 and malignant peripheral nerve sheath tumor under chemotherapy underwent percutaneous endoscopic gastrostomy (PEG) placement for dysphagia, anorexia, and malnutrition. After PEG placement, the button was confirmed to be within the stomach. The feeding tube was replaced 5 months later, with the patient presenting with persistent diarrhea and weight loss. Contrast study revealed a...