Index
S
Entries beginning with S.
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Adnexal carcinomas
Sebaceous carcinoma
A rare cancer of oil glands. On the eyelid it can mimic a chalazion or chronic blepharitis. Extraocular tumours may signal Muir-Torre syndrome.
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Small cell lung cancer
Small cell lung cancer
A fast-growing neuroendocrine lung cancer, almost always in people who smoked. It often has already spread at diagnosis and is treated as a systemic disease.
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Small bowel & anus
Small-bowel adenocarcinoma
Small-bowel adenocarcinoma is a rare small-intestine cancer. This entry covers Crohn, Lynch, coeliac disease, and treatment approaches.
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Soft-tissue sarcomas
Soft-tissue sarcoma
A rare group of cancers that start in connective tissues such as muscle, fat, nerves, and fibrous tissue, rather than in organs lined by epithelium.
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Non-small cell lung cancer
Squamous cell carcinoma of the lung
An NSCLC that usually arises in the central airways and is strongly linked to smoking. It is a different disease from squamous cell carcinoma of the skin.
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Keratinocyte carcinomas
Squamous Cell Carcinoma
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Melanoma
Subungual Melanoma
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Melanoma
Superficial spreading melanoma
The most common subtype of melanoma. It usually grows sideways in the skin first, as an irregular patch, before it grows deeper. Early surgery is the main treatment.
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Soft-tissue sarcomas
Synovial sarcoma
A rare aggressive soft-tissue sarcoma of young adults. Despite the name, it does not start from joint lining. Most cases carry an SS18–SSX gene fusion.