Labial lesion of BLOM showed the distinct clinical manifestations and diagnosis compared with the lesions on other sites, B lymphocyte was the major component of lymphatic folicleand infiltrating inflammatory cells of BLOM.

• 发生在唇部和其它口腔解剖部位的口腔粘膜良性淋巴组织增生症的临床表现和诊断各有其特点； B淋巴细胞是淋巴滤泡和浸润炎症细胞的主要细胞万分。