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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The phrase “insufficient for diagnosis” means that the sample provided to the pathologist did not contain enough information to make a clear and reliable diagnosis. This does not mean that the disease or condition is absent. Instead, it means that the material collected was too limited, poorly preserved, or lacking the necessary cells or tissue …
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What is a chondroma? A chondroma is a non-cancerous tumour made up of cells normally found in cartilage called chondrocytes. They usually affect young and middle-aged adults. A closely related tumour that occurs inside the bone is called an enchondroma. Is a chondroma benign? Yes. All chondromas are benign (non-cancerous) tumours. Where are chondromas found …
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A dysplastic nevus, also called an atypical mole, is a noncancerous type of skin growth made up of melanocytes, the cells that produce pigment and give skin its color. Dysplastic nevi look different from common moles because they have unusual shapes, sizes, or colors. While they are benign (noncancerous) and do not pose an immediate …
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What is chronic inactive gastritis? Chronic inactive gastritis means inflammation of the lining on the inside of the stomach. The inflammation prevents the stomach from functioning normally by damaging the specialized foveolar cells that cover the inside surface of the stomach. What is the difference between active and inactive chronic gastritis? Pathologists divide chronic gastritis …
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Hürthle cell carcinoma is a rare type of thyroid cancer that arises from follicular cells, which produce thyroid hormone. This tumour is composed mainly of Hürthle cells (also called oncocytic cells), which are larger than normal thyroid cells and appear pink and granular under the microscope because they contain many mitochondria. These structures produce energy …
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A Hurthle cell adenoma is a non-cancerous type of thyroid tumour. It is made up of large pink Hurthle cells that are separated from the normal thyroid tissue by a thin tissue barrier called a tumour capsule. The tumour often forms a lump in the thyroid gland called a nodule. What are the symptoms of …
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Reactive gastropathy, also known as chemical gastropathy, is a condition in which the stomach’s lining becomes damaged after exposure to substances not normally present in the stomach. These substances may include bile, alcohol, or non-steroidal anti-inflammatory drugs (NSAIDs) such as ibuprofen or aspirin. The damage causes changes in the cells that normally protect the stomach, …
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Chemical gastropathy is a condition that develops when the lining of the stomach is damaged by irritating substances such as bile, non-steroidal anti-inflammatory drugs (NSAIDs), or alcohol. Another name for this condition is reactive gastropathy. Under normal conditions, the inside of the stomach is lined by special foveolar cells that produce mucus, a protective layer …
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What is a pancreatic mucinous cystic neoplasm? Mucinous cystic neoplasm is a non-cancerous type of pancreatic tumour. This tumour occurs most often in women around 50 years of age. It is usually located at the end of the pancreas in the area called the tail but may also be found less often in the head …
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