Primary laryngeal lymphoma is uaually B-cell type and locates at supraglotticarea, especially at aryepiglottic fold, with intact and nonulcerative overlying musosa.

• 其外表黏膜通常是完整且没有被肿瘤侵犯，所以切片时，应先切开黏膜，再夹取较深部组织来做病理检查，才容易确定诊断。