结膜色素痣多见,而良性上皮黑变病少见。临床上易混淆。近年遇到2例,报告如下。例1 男性、8岁。诉左“眼白”出生后就有一针尖大黑斑,近1月变大。检查见左球结膜外侧缘有一境界尚清的扁平黑斑,约0.5cm 大小,与巩膜无粘连。术前诊断为球结膜色素痣。病理检查:送验组织约0.5cm 一片,表面黑色。镜下见结膜上皮基 Conjunctival pigment nevus more common, and benign epithelial melanosis rare. Clinically confusing. In recent years encountered two cases, the report is as follows. Example 1 male, 8 years old. Lvluo “Eye White ” after birth there is a needle big black spot, nearly January has become larger. Check see the left bulbar conjunctiva outer edge of a clear flat dark spots, about 0.5cm size, no adhesion with the sclera. Preoperative diagnosis of conjunctival nevus. Pathological examination: Test tissue to send about 0.5cm, the surface of black. See the conjunctiva epithelium under the microscope