A urothelial papilloma is a benign (non-cancerous) tumour that develops from cells lining the inside surface of the urinary tract. While it usually forms in the bladder, it can appear anywhere along the urinary tract. After removal, some papillomas may regrow, but importantly, they do not become cancerous over time. Understanding the urinary tract The …
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Background: Epithelioid sarcoma is a type of soft tissue cancer. It is called epithelioid because the tumour cells look and behave like epithelial cells that are normally found on the outside or inside surface of any organ. Although epithelioid sarcoma can occur almost anywhere in the body, the most common location is the hand. What …
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Myoepithelial carcinoma is a rare cancer that starts in the salivary glands. It develops from myoepithelial cells, which are specialized cells normally found in the salivary gland. This tumour can arise on its own or from a pre-existing noncancerous tumour called pleomorphic adenoma. Myoepithelial carcinoma is typically a slow-growing type of cancer, but it can …
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Carcinoma ex pleomorphic adenoma is a type of salivary gland cancer that develops from within a previously benign (noncancerous) tumour called pleomorphic adenoma. In pathology, carcinoma is a general term used to describe a group of malignant (cancerous) tumours made up of epithelial cells, while “ex” means “out of” or “from”. Put together, carcinoma ex …
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A borderline phyllodes tumor is an uncommon breast tumor that arises from the stroma (supportive connective tissue) within the breast. It has characteristics that fall between benign (non-cancerous) and malignant (cancerous) phyllodes tumors. Borderline phyllodes tumors grow faster and have a greater likelihood of recurrence than benign tumors, but they typically do not spread to …
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Myoepithelial cells are specialized muscle-like cells found in various tissues and organs of the body, particularly in structures that contain glandular or secretory elements. Myoepithelial cells are unique in that they combine the features of two different types of cells: muscle cells called myocytes and epithelial cells. This combination of features gives myoepithelial cells the …
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What is a fibrothecoma? A fibrothecoma is an uncommon and noncancerous type of ovarian tumour made up of thecal cells and fibroblastic spindle cells. It shares features with two other types of noncancerous ovarian tumours, thecomas and fibromas. Is a fibrothecoma benign or malignant? Fibrothecoma is a benign (noncancerous) type of ovarian tumour. What is …
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What is a thecoma? A thecoma is an uncommon and noncancerous type of ovarian tumour. The tumour is made up of specialized thecal cells that are normally found in the ovary. Is a thecoma benign or malignant? Thecoma is a benign (noncancerous) type of ovarian tumour. What are the symptoms of a thecoma? The most …
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This article is designed to help you understand your pathology report for secretory carcinoma of the head and neck. Each section explains a specific aspect of the diagnosis and what it means for you. What is secretory carcinoma? Secretory carcinoma is a relatively uncommon type of salivary gland cancer. It is characterized by a genetic …
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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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