Case Reports in Dentistry / 2016 / Article / Fig 4

Case Report

A Case of Primary Combined Squamous Cell Carcinoma with Neuroendocrine (Atypical Carcinoid) Tumor in the Floor of the Mouth

Figure 4

(a) The histopathology of biopsy specimen (HE 40). The square of straight line was comprised of SCC, and dotted line was comprised of AC. Microscopically, the tumor consists of two components of SCC and AC. (b) The component of SCC. Nonkeratic dysplastic squamous cells proliferated with apoptosis and mitosis. (c) The component of AC. The cells change in a larger way and have high N/C rate and chromatin, a lot of mitosis and karyolysises are seen. A punctate necrosis is observed in the tumor nest, and the rosette structures are observed.
(a)
(b)
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