Male breast cancer is a rare type of cancer that develops in the breast tissue of men. Although breast cancer is much more common in women, men also have a small amount of breast tissue in which cancer can develop. Male breast cancer can have features similar to breast cancer in women. A new breast lump, nipple changes, nipple discharge…

Metastatic squamous cell carcinoma of the neck with an occult primary is a condition in which squamous cancer cells are found in one or more lymph nodes of the neck, but the original site where the cancer started cannot initially be identified. This is sometimes described as squamous cell carcinoma of unknown or occult primary presenting in the neck. Finding…

Melanoma is a type of skin cancer that develops from melanocytes, the cells responsible for producing melanin. Melanin gives color to the skin, hair and eyes. Melanoma develops when melanocytes grow and multiply abnormally, forming a malignant tumor. It can be an aggressive form of skin cancer and may spread to other parts of the body, so early evaluation of…

Merkel cell carcinoma (MCC) is a rare and potentially aggressive type of skin cancer. It develops from Merkel cells, specialized cells in the skin that are involved in the sense of touch. Merkel cell carcinoma most commonly appears on areas of skin that receive significant sun exposure, such as the head, neck and arms, although it can develop in other…

Mesothelioma is a rare and serious type of cancer that develops in the mesothelium, the thin protective lining surrounding certain organs. It most commonly affects the pleura, the lining around the lungs, but it can also develop in the lining of the abdomen, heart and, rarely, the tissue surrounding the testicles. One of the most important known risk factors for…

Metastatic cancer is cancer that has spread from the place where it first started (the primary site) to another part of the body. The cancer that has spread is called metastatic cancer, and the new areas are called metastatic sites. Metastatic cancer is often considered an advanced stage of cancer, although the exact stage depends on the type and origin…

Midline tract carcinoma with NUT gene changes, also known as NUT carcinoma, is a rare and aggressive type of cancer that primarily affects structures around the midline of the body. The NUT gene, also known as nuclear protein in testis, is situated on chromosome 15q14. The NUT gene plays an important role in normal development and cell differentiation. Midline tract…

Mouth cancer, also called oral cancer, is an abnormal growth of cells in the mouth or oral cavity. It comes under head and neck cancer and can affect different parts of the mouth. Mouth cancer may develop in the tongue, lips, gums, lining of the cheeks, floor of the mouth and roof of the mouth. Recognizing persistent changes in the…

Multiple Endocrine Neoplasia (MEN) syndromes are a group of inherited disorders that mainly affect the endocrine system. The endocrine system includes glands that produce hormones and regulate many important functions of the body. Different types of MEN can affect different endocrine glands and may lead to tumors or abnormal hormone production. The main types mentioned in the doctor’s content are…

Mycosis fungoides is a rare type of cancer that mainly affects the skin. It is a form of cutaneous T-cell lymphoma (CTCL), a group of cancers involving T cells, which are a type of white blood cell. In mycosis fungoides, abnormal T cells accumulate in the skin and can lead to the development of different types of skin lesions. Mycosis…