Four were caused by sinusitis, three by odontogenic infections, three by lacrimal sac lesions, two by the infections of eyelid skin, one by trauma, and two by mucormycosis.
Four were caused by sinusitis, three by odontogenic infections, three by lacrimal sac lesions, two by the infections of eyelid skin, one by trauma, and two by mucormycosis.
病史、临床症状表现、电脑断层扫描，和细菌培养或病理检验有助于确定感染来源。