Abstract
Basaloid squamous cell carcinoma (BSCC), a rare head and neck neoplasm, is differentiated clearly from conventional squamous cell carcinoma morphologically and biologically. Only one case of laryngeal BSCC has been reported in Japan, vs. over 60 in the international literature. We present a second such case. An 83-year-old man admitted for slight hoarseness and a large mass on the right arytenoid had no palpable cervical lymph nodes. Biopsy under a fiberscope showed poorly differentiated squamous cell carcinoma, T1N0M0, necessitating CO2 laser laryngomicrosurgery. Pathological studies showed BSCC positive in the margins, further necesstating 70 Gy of radiotherapy and consecutive chemotherapy with TS-1. The man remains alive and disease-free three years after surgery.
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