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Squamous anal carcinoma, extensive perianal spread. Most anal cancers are squamous cell carcinomas (epidermoid carcinomas), that arises near the squamocolumnar junction. It may be keratinizing (basaloid) or non-keratinizing (cloacogenic). [17] Other types of anal cancer are adenocarcinoma, lymphoma, sarcoma or melanoma.
adenoid squamous-cell carcinoma (also known as pseudoglandular squamous-cell carcinoma) is characterized by a tubular microscopic pattern and keratinocyte acantholysis. [24] basaloid squamous-cell carcinoma is mostly found in or near the tongue, tonsils, or larynx, but may also occur in the lung or elsewhere. [26]
209.1 Malignant carcinoid tumors of the appendix, large intestine, and rectum; 209.2 Malignant carcinoid tumors of other and unspecified sites; 209.3 Malignant poorly differentiated neuroendocrine carcinoma; 209.4 Benign carcinoid tumors of the small intestine; 209.5 Benign carcinoid tumors of the appendix, large intestine, and rectum
Basal-cell carcinoma (BCC), also known as basal-cell cancer, basalioma [7] or rodent ulcer, [8] is the most common type of skin cancer. [2] It often appears as a painless raised area of skin, which may be shiny with small blood vessels running over it. [1] It may also present as a raised area with ulceration. [1]
Basal cell carcinoma; Squamous cell carcinoma; Squamous cell skin cancer; Skin adnexal tumors (e.g. sebaceous carcinoma) Melanoma; Merkel cell carcinoma; Keratoacanthoma; Sarcomas of primary cutaneous origin (e.g. dermatofibrosarcoma protuberans) Lymphomas of primary cutaneous origin (e.g. mycosis fungoides)
For squamous cell carcinoma of the anal canal, chemoradiation therapy (CRT) with 5-FU and mitomycin C is preferred over radiation alone, offering improved survival outcomes but with increased risks of acute hematological toxicity. [155] The use of radiotherapy in colon cancer is not routine due to the sensitivity of the bowels to radiation. [156]
Squamous cell cancer, upper oesophagus. Gastrointestinal cancer refers to malignant conditions of the gastrointestinal tract (GI tract) and accessory organs of digestion, including the esophagus, stomach, biliary system, pancreas, small intestine, large intestine, rectum and anus. The symptoms relate to the organ affected and can include ...
They do not produce sufficient hormonal substances to cause carcinoid or other endocrine syndromes. In fact, they more closely resemble exocrine than endocrine tumors. The term 'crypt cell carcinoma' has been used for them, and though perhaps more accurate than considering them carcinoids, has not been a successful competitor.