World journal of clinical cases · 2023
Benign lymphoepithelial cyst of parotid gland without human immunodeficiency virus infection: A case report.
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Liao Yan, Li Yan-Jie, Hu Xian-Wen, Wen Rui, Wang Pan
Аннотация
BACKGROUND: Benign lymphoepithelial cyst (BLEC) of the parotid gland is a rare benign embryonic-dysplastic cystic tumor in the anterolateral neck that occurs most commonly in human immunodeficiency virus (HIV)-positive adults and rarely in non-acquired immune deficiency syndrome patients. The main presentation is a slow-growing, painless mass, and secondary infection may cause acute inflammatory symptoms.
CASE SUMMARY: A 44-year-old Chinese male patient presented with a 1-year history of a mass in the left side of the neck. On physical examination, a mass similar in size and shape to a quail egg was found in the left parotid gland. The mass was tough, without tenderness, and easily moveable. The results of HIV tests, including antibody and nucleic acid tests and CD4+ T cell examination, were negative. Imaging examination revealed a left parotid gland mass. The patient underwent surgical treatment, and BLEC was diagnosed based on postoperative pathology. After 2 years of follow-up, the patient survived well without related discomfort.
CONCLUSION: The detailed characteristics of a BLEC in a patient without HIV infection contribute to an improved understanding of this rare disease.
CASE SUMMARY: A 44-year-old Chinese male patient presented with a 1-year history of a mass in the left side of the neck. On physical examination, a mass similar in size and shape to a quail egg was found in the left parotid gland. The mass was tough, without tenderness, and easily moveable. The results of HIV tests, including antibody and nucleic acid tests and CD4+ T cell examination, were negative. Imaging examination revealed a left parotid gland mass. The patient underwent surgical treatment, and BLEC was diagnosed based on postoperative pathology. After 2 years of follow-up, the patient survived well without related discomfort.
CONCLUSION: The detailed characteristics of a BLEC in a patient without HIV infection contribute to an improved understanding of this rare disease.