Follicular lymphoma is a group of closely related blood cancers that start in B cells — specialized white blood cells that normally help the body fight infection. These cancers are called “follicular” because the abnormal cells grow in round clusters called follicles, resembling the normal structures found inside healthy lymph nodes. Follicular lymphoma is the …
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Background: Undifferentiated pleomorphic sarcoma (UPS) is a rare and aggressive cancer that arises from connective tissues, including muscles, tendons, fat, and fibrous tissues. The term “undifferentiated” indicates that the tumour cells do not resemble normal cells in the body and lack specific differentiation toward a particular tissue type. “Pleomorphic” refers to the varied shapes and …
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What is superficial fibromatosis? Superficial fibromatosis is a non-cancerous tumour made up of a specialized type of connective tissue called fibrous tissue. What are the types of superficial fibromatosis? Palmar fibromatosis Palmar fibromatosis is a type of superficial fibromatosis that affects the palm (inside surface) of the hand. It is also called Dupuytren’s contracture. Palmar …
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Synovial sarcoma is a rare type of soft tissue cancer. Despite its name, it does not usually start from the lining of joints (synovium). Instead, it arises from primitive connective tissue cells that exhibit features of both spindle-shaped cells and epithelial cells. This article explains the pathology report for synovial sarcoma, including how it is …
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What is sinonasal undifferentiated carcinoma? Sinonasal undifferentiated carcinoma (SNUC) is a type of cancer that starts from cells normally found on the inside of the nasal cavity and paranasal sinuses. This area of the body is called the sinonasal tract. Sinonasal undifferentiated carcinoma is an aggressive disease with a poor prognosis. Can sinonasal undifferentiated sinonasal carcinoma …
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What is steatohepatitis? Steatohepatitis is a type of fatty liver disease. It is associated with inflammation and the build up of fat inside specialized liver cells called hepatocytes. What are the types of steatohepatitis? There are two major types of steatohepatitis: non-alcoholic and alcoholic. Alcoholic steatohepatitis occurs due to alcohol use. Non-alcoholic steatohepatitis can be …
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Steatosis is a non-cancerous liver condition in which fat builds up inside liver cells, called hepatocytes. It is one of the main features of a group of conditions known as fatty liver disease. In steatosis, liver cells remain viable, but excess fat can interfere with liver function and, in some people, progress to more serious …
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Serous borderline tumor is a type of ovarian tumor that is not cancer, but is also not a completely benign growth. It belongs to a group of tumors called borderline tumors, which sit between clearly benign tumors and cancer. Serous borderline tumor is the most common borderline tumor of the ovary. It is called “borderline” …
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Serous tubal intraepithelial carcinoma — usually called STIC — is a pre-invasive form of cancer that develops in the lining of the fallopian tube. “Intraepithelial” means the abnormal cells are confined to the thin surface layer of the tube and have not grown into the deeper tissue beneath it. Because the cells have not broken …
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A serous cystadenoma is a common, noncancerous (benign) type of ovarian tumor. It develops from the epithelium, the thin layer of cells that covers the surface of the ovary. A serous cystadenoma consists of one or more fluid-filled spaces called cysts and is lined by serous cells. Although a serous cystadenoma is not cancer and …
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