Abstract
We present a clinical report of cutaneous carcinoma located on the vermilion of the upper lip. A 25-year-old man presented with a mass on the upper lip vermilion. The mass had grown progressively and bled repeatedly, forming crusts. The tumor consists of mucin-containing cysts and sheets of squamous cells. It was composed of intermediate-type squamous and mucus-secreting cells. Mucin-secreting cells had slightly enlarged and hyperchromatic nuclei labeled a positive periodic acid-Schiff stain. Periodic acid-Schiff stain shows the scattered glands with red secretion within the squamous nests. The specific feature of this case is that the tumor located on a vermilion border of the upper lip and was separated clearly from the nearest glandular structures, wherein only one case of mucoepicermoid carcinoma of lower lip vermillion has been reported so far.
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