鼻咽恶性肿瘤病理组织学类型的构成比在高发区、中发区和低发区有所不同。这主要是指成人。本文研究的主要是儿童鼻咽恶性肿瘤的病理形态特点,探索儿童鼻咽恶性肿瘤病理组织学类型的构成比在高发区、中发区和低发区有无不同,以及儿童和成人鼻咽恶性肿瘤病理形态改变的差异。 The histopathological types of nasopharyngeal malignancies differed from those in the high-, mid-, and low-prevalence areas. This mainly refers to adults. The main features of this study are the pathomorphological features of childhood nasopharyngeal malignancies. To explore whether children with nasopharyngeal malignancies have different histopathological components in high-, mid-, and low-prevalence areas, and in children and adults with nasopharyngeal malignancy. Differences in pathological changes in the tumor.