Scc ear canal1/26/2024 ![]() In operable cases, surgical approaches seek to achieve en bloc resection of the temporal bone using sleeve resection, lateral temporal bone resection (LTBR), or subtotal temporal bone resection (STBR), any of which can be combined with parotidectomy and/or neck dissection followed by (postoperative) radiotherapy. ![]() Treatment options include wide surgical resection, radiotherapy, chemotherapy, or combinations of these modalities. In addition, advancements in radiological imaging including computed tomography (CT), magnetic resonance imaging (MRI), and positron emission tomography have provided clinicians with in-depth information that aids in preoperative staging and planning. , namely the Pittsburgh Tumor Staging System, is most widely used. Although no staging system for EAC carcinomas is currently recognized by either the Union for International Cancer Control or the American Joint Committee on Cancer, a comprehensive staging system developed by Arriaga et al. Furthermore, treatment remains challenging due to the lack of reliable clinical and pathological prognostic factors, and the markedly diverse surgical and oncological treatment modalities available. Early diagnosis is often difficult biopsy is recommended in suspicious cases with EAC skin lesions. Given such paucity, few epidemiological data are available and no consensus on management has emerged. Carcinomas of the external auditory canal (EAC) are very rare, accounting for only 0.2% of all tumors of the head and neck.
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