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Allantoin is a chemical compound with formula C 4 H 6 N 4 O 3. It is also called 5-ureidohydantoin or glyoxyldiureide. [1] [2] It is a diureide of glyoxylic acid ...
Contains ingenol mebutate (Picato) which is used to treat skin cancer [9] Maytenus ovatus. Trastuzumab emtansine (Kadcyla) is an antibody conjugated to a synthetic derivative of the cytotoxic principle of the Ethiopian plant Maytenus ovatus. It used to treat breast cancer. [10] Mappia foetida
Skin cancer is the most commonly diagnosed form of cancer in humans. [11] [12] [13] There are three main types of skin cancers: basal-cell skin cancer (BCC), squamous-cell skin cancer (SCC) and melanoma. [1] The first two, along with a number of less common skin cancers, are known as nonmelanoma skin cancer (NMSC).
Cutaneous squamous-cell carcinoma is the second-most common cancer of the skin (after basal-cell carcinoma, but more common than melanoma). It usually occurs in areas exposed to the sun. Sunlight exposure and immunosuppression are risk factors for SCC of the skin, with chronic sun exposure being the strongest environmental risk factor. [26]
In Canada, the most common skin cancer is basal-cell carcinoma (as much as one-third of all cancer diagnoses), affecting 1 in 7 individuals over a lifetime. [66] This tumor accounts for approximately 70% of non-melanoma skin cancers. In 80 percent of all cases, basal-cell carcinoma affects the head or neck skin. [65]
The effectiveness of chemotherapy depends on the type of cancer and the stage. The overall effectiveness ranges from being curative for some cancers, such as some leukemias, [12] [13] to being ineffective, such as in some brain tumors, [14] to being needless in others, like most non-melanoma skin cancers. [15]
Cancer treatments are a wide range of treatments available for the many different types of cancer, with each cancer type needing its own specific treatment. [1] Treatments can include surgery, chemotherapy, radiation therapy, hormonal therapy, targeted therapy including small-molecule drugs or monoclonal antibodies, [2] and PARP inhibitors such as olaparib. [3]
Conditions of or affecting the human integumentary system associated with increased risk of nonmelanoma skin cancer Condition Squamous-cell carcinoma Basal-cell carcinoma; Xeroderma pigmentosum + + Oculocutaneous albinism + + Epidermodysplasia verruciformis + Recessive dystrophic epidermolysis bullosa + Ferguson–Smith syndrome + Muir–Torre ...