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Sarcomatoid Carcinoma of the Larynx -A Case Report with Light and Electron Microscopic Study-

An unusual polypoid laryngeal tumor has been studied with light and electron microscopy. In light microscopic section, there were two components: a squamous cell carcinoma and a sarcomatoid spindle cell population. Transitional zone between these two components was found. The electron micrographs demonstrated the presence of slender bundles of tonofilaments in many tumor cells. Desmosomes were present, but few in number and poorly developed. Findings suggest this laryngeal tumor as a spindle cell variant of squamous cell carcinoma.

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