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

Figure 1 Comparison of tumor manifestations before and after interventional therapy. A and B: Before interventional therapy; C and D: 2 wk after interventional therapy.

Figure 2 Hematoxylin-eosin staining of primary lacrimal sac carcinoma. A: 200 ×; B: 400 ×.

Figure 3 Comparison of computed tomography images before and after interventional therapy. A: Before interventional therapy; B: 6 wk after interventional therapy. Yellow arrow: Tumor site.

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.