diagnosis

Conventional chondrosarcoma

What is conventional chondrosarcoma? Conventional chondrosarcoma is a type of cancer made up of cartilage. This kind of tumour can start within a bone or any other part of the body where cartilage is normally found. The most common locations for this tumour are the spine and pelvis. Non-bone sites of origin include the larynx. …
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Dedifferentiated chondrosarcoma

What is dedifferentiated chondrosarcoma? Dedifferentiated chondrosarcoma is an aggressive type of cancer made up of tumour cells that resemble cartilage. The tumour is called ‘dedifferentiated’ because it develops from within a more well-differentiated type of cartilage cancer called conventional chondrosarcoma. What are the symptoms of chondrosarcoma? For tumours that start in a bone, symptoms of …
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Minimally invasive oncocytic carcinoma of the thyroid gland

What is minimally invasive oncocytic carcinoma? Minimally invasive oncocytic cell carcinoma is a type of thyroid cancer. The tumour is separated from the normal thyroid gland by a thin band of tissue called a tumour capsule. In a “minimally invasive” tumour, groups of cancer cells have broken through the tumour capsule and spread into the …
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Minimally invasive encapsulated follicular variant papillary thyroid carcinoma

What is minimally invasive encapsulated follicular variant papillary thyroid carcinoma? Minimally invasive encapsulated follicular variant papillary thyroid carcinoma (FVPTC) is a type of thyroid cancer. This type of cancer is more common in adults although it can be seen in children. Why is the tumour called minimally invasive? In minimally invasive encapsulated FVPTC, the tumour …
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Mitotically active leiomyoma of the uterus

What is a mitotically active leiomyoma of the uterus? A mitotically active leiomyoma is a non-cancerous tumour that starts in the wall of the uterus. The tumour is made up of specialized smooth muscle cells that are normally found in a part of the uterus called the myometrium. Mitotically active means that dividing tumour cells …
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Cellular leiomyoma of the uterus

What is a cellular leiomyoma of the uterus? A cellular leiomyoma is a non-cancerous tumour that starts in the wall of the uterus. The tumour is made up of specialized smooth muscle cells that are normally found in a part of the uterus called the myometrium. The tumour is called ‘cellular’ because it contains more …
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Central atypical cartilaginous tumour

What is a central atypical cartilaginous tumour? A central atypical cartilaginous tumour (ACT) is a type of bone cancer. The tumour is called “cartilaginous” because it is made up of cartilage-producing cells. Cartilage is a type of connective tissue normally found throughout the body. These tumours start on the inside of a bone in a …
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Oncocytoma of the head and neck

What is an oncocytoma? An oncocytoma is a non-cancerous type of salivary gland tumour. It is not capable of transforming into cancer over time. Most oncocytomas develop in the parotid gland, but they can be found in any of the salivary glands. What are the symptoms of an oncocytoma? Most oncocytomas in the head and …
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Non-HPV squamous cell carcinoma of the penis

What is non-HPV squamous cell carcinoma of the penis? Non-HPV squamous cell carcinoma (SCC) is a type of cancer that starts from the cells on the surface of the penis. There are several subtypes of non-HPV SCC, of which the usual type is the most common. Another name for this cancer is HPV-independent SCC. What …
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HPV-associated squamous cell carcinoma of the oropharynx

What is HPV-associated squamous cell carcinoma of the oropharynx? HPV-associated squamous cell carcinoma (SCC) is a type of oropharyngeal cancer. The oropharynx is an area of the throat that includes the tonsils, base of the tongue, uvula, and soft palate. This type of cancer quickly spreads to lymph nodes especially those in the neck. For …
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