What is a myoepithelioma? A myoepithelioma is a non-cancerous type of soft tissue tumour. It made up of specialized myoepithelial cells that arise from cells within soft tissue such as muscle, cartilage, or connective tissue. This tumour should not be confused with the similarly named myoepithelioma that starts in the salivary glands. Where is myoepithelioma …
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Osteochondroma is the most common non-cancerous type of bone tumour. The name is made up of three parts that come from Greek words – “osteo-“meaning bone, “chondro-” meaning cartilage, and “-oma” which describes an abnormal growth. As the name suggests, the tumour is made up of both bone and cartilage. Most osteochondromas develop in a …
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Chordoma is a type of bone cancer. It develops from remnants of an embryonic structure called the notochord. Chordomas almost always develop within a bone and most develop along the midline of the body in either the base of the skull or the sacrum. Chordomas are very slow-growing tumours and can reach a very large …
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Osteosarcoma is a type of bone cancer and the most common type of sarcoma to develop in a bone. Osteosarcomas more commonly affect teenagers but it can also affect adults. The most common site for osteosarcoma is the long bone of the thigh. Pathologists divide osteosarcomas into histologic types based on how the tumour cells …
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What is osteoid? Osteoid is a chemical that the body uses to make bone. It is made by specialized cells called osteoblasts which are found inside bones. When viewed under the microscope, new osteoid looks blue but later turns pink as minerals such as calcium are added to make it stronger. It is normal to …
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