Faculty of Medicine, University of Colombo, Colombo, 00800, Sri Lanka.
Department of Community Medicine, Faculty of Medicine, University of Colombo, Colombo, 00800, Sri Lanka.
J Med Case Rep. 2024 Jun 11;18(1):275. doi: 10.1186/s13256-024-04601-4.
BACKGROUND: This paper reports the first case of basaloid squamous cell carcinoma clinically and radiologically masquerading as a head and neck paraganglioma. CASE PRESENTATION: A 66-year-old Sinhalese male with unilateral hearing impairment and 7th-12th (excluding 11th) cranial nerve palsies was diagnosed radiologically with a head and neck paraganglioma by magnetic resonance imaging of the brain, which revealed a hypointense and hyperintense punctate mass centered at the jugular fossa with intracranial extension. The ascending pharyngeal artery, recognized as the major feeder, was embolized by percutaneous embolization following digital subtraction angiography. Gross total resection of the tumor was followed by an uneventful postoperative recovery. Combined immunohistochemistry and histopathological morphology revealed a basaloid squamous cell carcinoma, following which the patient completed radiotherapy and is at 3-month follow-up currently. CONCLUSION: This case report discusses the diagnostic pitfalls and management challenges of this rare entity on the basis of prior evidence, as well as a literature review and clinical and surgical analysis.
背景:本文报告了首例临床上和影像学上表现为头颈部副神经节瘤的基底样鳞状细胞癌。
病例介绍:一名 66 岁的僧伽罗男性,表现为单侧听力丧失和第 7-12 颅神经(不包括第 11 颅神经)麻痹,经颅脑磁共振成像诊断为头颈部副神经节瘤,显示颈静脉窝为中心的低信号和高信号点状肿块,伴有颅内延伸。通过数字减影血管造影术对识别出的主要供血动脉——咽升动脉进行了经皮栓塞。肿瘤全切除后,患者术后恢复顺利。免疫组织化学和组织病理学形态学联合显示为基底样鳞状细胞癌,随后患者完成了放疗,目前正在进行 3 个月的随访。
结论:本病例报告根据既往证据、文献复习以及临床和手术分析,讨论了这一罕见实体的诊断陷阱和管理挑战。
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