Abstract：
This article represents the first reported case in the external auditory canal of epithelioid fibrous histiocytoma (EFH), a rare benign cutaneous epithelioid neoplasm. Immunostaining revealed uncommon negative staining for anaplastic lymphoma kinase (ALK) expression. This case and literature review outline the diagnostic strategy for this highly unusual neoplasm. Laryngoscope, 134:3371-3373, 2024.
摘要：
本文代表了第一例外耳道上皮样纤维组织细胞瘤（EFH）的报道，一种罕见的良性皮肤上皮样肿瘤。免疫染色显示间变性淋巴瘤激酶（ALK）表达不常见的阴性染色。此病例和文献综述概述了这种高度不寻常的肿瘤的诊断策略。喉镜,2024.
