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Table 1 Reasons for the failure of embolization

From: Management and prevention of acute bleedings in the head and neck area with interventional radiology

Dignity Diagnosis Reason for failure
Benign tumor Papilloma of the soft palate No feeding vessel
Malign tumor Hypopharyngeal HNSCC Palliative and incomplete embolization via direct puncture
  CUP-Syndrom No feeding vessel
  Oropharyngeal HNSCC No feeding vessel
  Oropharyngeal HNSCC No feeding vessel
  Plasmozytoma of the sphenoid sinus No feeding vessel
  Oropharyngeal HNSCC No feeding vessel
  Oropharyngeal HNSCC No stable embolization position
Hemorrhage due to inflammation   No feeding vessel with spontaneous suspension of the bleeding