fig2

Figure 2. A 39-year-old male patient with a left maxillary mass invading the left orbital contents. There is evident bony destruction with osteoneogenesis. Endoscopic biopsy revealed necrotizing vascular inflammation with extensive necrosis. Red arrow: left nasal mass extending intra-orbitally. Yellow arrow: bone destruction of the medial wall of the left maxilla and medial orbital wall.