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This particular variant of lung cancer is usually asymptomatic and is found after chest x-rays are taken for other reasons. [7] Hemoptysis is seen occasionally [7] and, in some cases, distal obstruction of bronchi by blood clots or mucus plugs produces cough and/or infection. [1] Lesions often enlarge and progress slowly, over many years. [8]
The mucosal barrier is formed due to the tight junctions between the epithelial cells of the mucosa and the presence of the mucus on the cell surface. [4] The mucins that form mucus offer protection from components on the mucosa by static shielding and limit the immunogenicity of intestinal antigens by inducing an anti-inflammatory state in ...
It arises from epithelial cells that line certain internal organs and skin, and produce mucin (the main component of mucus). A malignant mucinous neoplasm is called a mucinous carcinoma . For example, for ovarian mucinous tumors , approximately 75% are benign , 10% are borderline and 15% are malignant.
Blood-streaked sputum –an indicator of possible inflammation of the throat (larynx and/or trachea) or bronchi; lung cancer; other bleeding erosions, ulcers, or tumors of the lower airway. Pink sputum – it indicates sputum evenly mixed with blood from alveoli and/or small peripheral bronchi as is seen in potential pulmonary edema.
Surgery is the recommended treatment for localised resectable disease. [10] When the tumour is incompletely resected (positive margins) post-operative radiotherapy gives local control comparable to a complete resection (clear margins).
Mucus is a normal protective layering around the airway, eye, nasal turbinate, and urogenital tract. Mucus is an adhesive viscoelastic gel produced in the airway by submucosal glands and goblet cells and is principally water. It also contains high-molecular weight mucous glycoproteins that form linear polymers.
Mucositis is the painful inflammation and ulceration of the mucous membranes lining the digestive tract, usually as an adverse effect of chemotherapy and radiotherapy treatment for cancer. [1] Mucositis can occur anywhere along the gastrointestinal (GI) tract, but oral mucositis refers to the particular inflammation and ulceration that occurs ...
Originally the cell line was named MCF-7/ADR-RES; it was renamed together with the change in classification. [8] Two brain cancer cell lines, SNB-19 and U251, were discovered to come from the same person. [9] This makes a mixup likely. A 61st cell line, MDA-N, has been confirmed to being derived from the misclassified MDA-MB-435 cell line. [7]