副腮腺淋巴上皮病上皮成份恶变少见,现报告一例如下。患者男,58岁。左颊部肿块2年,肿块呈缓慢增大,无疼痛,近2月左颈上区出现肿块,增大迅速伴有胀痛。检查见左颧弓下有3×3×2cm肿块,质中,稍可移动,无触痛,表面光滑,皮肤颜色正常。左颈上区有4×4.5×2.5cm肿块,质中偏硬,有结节感,活动差,有触痛。左颌下区可触及一直径1cm的淋巴结,质中、活动、无 The epithelial components of paraneophageal lymphoepithelial epithelium are rare, and one case is reported below. Male patient, 58 years old. The left buccal mass was 2 years old, and the mass was slowly increased without pain. In the last 2 months, a mass appeared in the upper neck area, which was rapidly increased with pain. Examination revealed a 3x3x2cm mass under the left iliac arch, which was qualitatively slightly movable without tenderness, with a smooth surface and normal skin color. There was a 4×4.5×2.5cm mass in the upper neck region of the left neck. The mass was stiff, with nodules, poor activity, and tenderness. The left submandibular area can reach a lymph node with a diameter of 1cm.