Transcatheter arterial infusion chemotherapy and embolization for primary lacrimal sac squamous cell carcinoma: A case report

Figure 4 Images of primary lacrimal sac carcinoma before and after transcatheter arterial infusion chemotherapy and microsphere embolization. A: Before embolization of the maxillary artery branch supplying the tumor; B: The blood supply from the maxillary artery branch disappeared after maxillary artery embolization; C: Before embolization of the facial artery branch supplying the tumor; D: The blood supply from the facial artery branch disappeared after facial artery embolization.