General: People that have hereditary retinoblastoma have an increased risk of developing various types of cancers. Therefore, people with retinoblastoma are encouraged to visit their doctors regularly to monitor their conditions. They should also undergo regular cancer screenings, such as mammograms and skin cancer tests. Below are some of the most common cancers associated with this condition.
Osteosarcoma: People with hereditary retinoblastoma may develop osteosarcoma, which is a type of bone cancer that usually affects the arms and legs. It typically causes pain and swelling. Prompt treatment is necessary because it may spread to other parts of the body.
Malignant melanoma: People with hereditary retinoblastoma may develop an aggressive type of skin cancer called malignant melanoma. If diagnosed early, malignant melanoma is treatable. However, if it is left untreated, the cancer may spread to other parts of the body. Once the cancer has spread, it is difficult to treat and it may be fatal.
Soft tissue sarcomas: People with hereditary retinoblastoma have an increased risk of developing soft tissue sarcomas. These are cancers that develop in the muscles, tendons, ligaments, and fatty tissues of the body. Like other types of cancer, soft tissue sarcomas may spread to other parts of the body, including the organs, if left untreated.
Less common types of cancer: Less common types of cancer associated with hereditary retinoblastoma include brain tumors, lymphoma, breast cancer, and lung cancer.
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