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Acinic cell carcinoma (ACC) is a low-grade malignant salivary neoplasm that constitutes approximately 17% of primary salivary gland malignancies. In the head and neck region, the parotid gland is the predominant site of origin and women are usually more frequently diagnosed than men.
What is intraepidermal squamous cell carcinoma? Intraepidermal squamous cell carcinoma (SCC) is a common superficial form of skin cancer. It is also known as Bowen disease, intraepidermal carcinoma (IEC) and carcinoma in situ (SCC in situ). Intraepidermal SCC is derived from squamous cells, the flat epidermal cells that make keratin âthe horny protein that makes up skin, hair and nails. âIntraepidermalâ and âin situâ mean the malignant cells are confined to cell of origin, that is, the epidermis.