SMARCA4-deficient undifferentiated tumour of the lung is a rare and aggressive type of lung cancer. The term “undifferentiated” means that the cancer cells do not look like normal lung cells. The tumour is called “SMARCA4-deficient” because it lacks a functional SMARCA4 gene, which normally helps regulate how cells grow and develop. What are the symptoms …
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In pathology, the term spread through air spaces (STAS) describes a pattern of invasion seen in lung cancer, where cancer cells are observed spreading into the air spaces in the lung tissue outside of the tumour. This pattern of invasion is commonly seen in a type of lung cancer called adenocarcinoma. Why is spread through …
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Adenosquamous carcinoma of the lung is a rare and aggressive form of non-small cell lung cancer (NSCLC) that exhibits characteristics of both adenocarcinoma and squamous cell carcinoma. What are the symptoms of adenosquamous carcinoma of the lung? Symptoms of adenosquamous carcinoma of the lung include persistent or worsening cough, coughing up blood, chest pain, and …
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Non-keratinizing squamous cell carcinoma of the lung is a type of non-small cell lung cancer (NSCLC). The term “non-keratinizing” means that this particular type of cancer does not show the typical keratin pearl formation or extensive keratinization that is often observed in the more common keratinizing squamous cell carcinoma. Non-keratinizing squamous cell carcinoma typically arises in …
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What is large cell neuroendocrine carcinoma of the lung? Large cell neuroendocrine carcinoma (LCNEC) is an aggressive type of lung cancer made up of neuroendocrine cells. Neuroendocrine cells are specialized cells that are found throughout the body. They produce chemicals called hormones that influence the activity of both nearby and distant tissues. Can large cell …
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What is minimally invasive adenocarcinoma of the lung? Minimally invasive adenocarcinoma (MIA) is a type of lung cancer. In order to be called minimally invasive, the tumour cannot be greater than 3.0 cm in size and the area of invasion cannot be greater than 0.5 cm. In the lung, invasion is defined as the spread …
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Adenocarcinoma in situ (AIS) is a type of non-invasive lung cancer. It is called non-invasive because the tumour cells have not spread beyond the surface of the small airspaces called alveoli in the lung. For a tumour to be called adenocarcinoma in situ, it cannot be larger than 3.0 cm in size. If left untreated, …
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What is an atypical carcinoid tumour? An atypical carcinoid tumour is a type of lung cancer made up of neuroendocrine cells. In the lung, this tumour starts from the neuroendocrine cells normally found in the walls of the airways and is often located in the central part of the lung near the heart. Since it is …
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What is a typical carcinoid tumour of the lung? A typical carcinoid tumour is a slow-growing type of lung cancer made up of neuroendocrine cells. In the lung, this tumour starts from the neuroendocrine cells normally found in the walls of the airways and is often located in the central part of the lung near …
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What is small cell carcinoma of the lung? Small cell carcinoma is a type of lung cancer. It is made up of neuroendocrine cells that are normally found in the lungs. Small cell carcinoma is considered a very aggressive type of cancer and the tumour cells have often spread to other parts of the body …
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