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Chemotherapy is the use of drugs to kill cancer cells. Systemic chemotherapy is delivered through the bloodstream, targeting cancer cells throughout the body. For melanoma, this is typically used when there is a high risk that the melanoma may spread or to control advanced disease, although cure of widespread melanoma is rare. Several combinations of chemotherapy are currently being tested in clinical trials.

Common chemotherapy drugs used for melanoma include dacarbazine (DTIC), carboplatin (Paraplatin), cisplatin (Platinol), melphalan (Alkeran), and temozolamide (Temodar). The medications used to treat cancer are continually being evaluated. Talking with your doctor is often the best way to learn about the medications you’ve been prescribed, their purpose, and their potential side effects or interactions with other medications. In addition to systemic chemotherapy, there are also techniques that focus the drugs on a specific region. Isolated limb perfusion (ILP) and isolated limb infusion (ILI) are examples of this method.

The side effects of chemotherapy depend on the individual and the dose used, but can include fatigue, risk of infection, nausea and vomiting, some nerve damage resulting in alterations in sensation, and hair loss. These side effects usually go away once treatment is finished.

Immunotherapy (also called targeted or biologic therapy) helps the body’s immune system find and attack cancer cells. It uses materials either made by the body or in a laboratory to boost, target, or restore immune function. For basal and squamous cell carcinoma, the topical cream imiquimod is an “immune response modifier” that is commonly prescribed. Immunotherapy is also used to treat melanoma, particularly in reducing the risk that the melanoma will recur. The two most common drugs used are interferon alfa-2b and interleukin-2. Immunotherapy may be used in combination with surgery and/or chemotherapy, or as part of a clinical trial. Many other targeted drugs are being tested now, including therapeutic vaccines.

Side effects of these treatments vary. They can include fatigue, fever, chills, headache, memory difficulties, muscle aches, and skin irritation. Occasionally, side effects from immunotherapy can include a change in blood pressure or cause increased fluid in the lungs. You should discuss the benefits and risks of each treatment option with your doctor.

The choice of skin cancer treatment depends on the type, stage, size and location of the tumor, whether or not the cancer has spread (metastasized), and your overall health. Skin cancer treatment options typically include surgery, radiation therapy, immunotherapy, and/or chemotherapy.

A team of doctors will work with you to determine the best skin cancer treatment plan. The team may include specialists such as a surgical oncologist, medical oncologist, radiation oncologist, dermatologist (a doctor who specializes in diseases of the skin), and a pathologist.

Surgery

Both non-melanoma (basal cell and squamous cell) and melanoma skin cancers can be successfully treated in almost all cases if they are diagnosed and treated when the tumor is relatively thin. Surgery to remove the tumor is the standard treatment but numerous other options are available. The type of treatment method for nonmelanoma or melanoma (early stage or late stage) cancers depends on how large the lesion is, where it is found on the body, and the specific type. Some of the common choices are as follows:

• Simple excision (removal) of the lesion and an area of normal-appearing skin surrounding it in all directions
• Curettage and electrodesiccation (scraping and cauterizing), which is effective for small basal cell and squamous cell cancers
• Mohs surgery (microscopically-controlled surgery), a highly specialized technique for basal and squamous cell carcinoma that doesn’t cause as much scarring as other methods

After surgery for melanoma, the surgeon or medical oncologist may also recommend so-called “adjuvant” treatment based on what information was learned about the disease during surgery. This may include immunotherapy, chemotherapy, and/or radiation therapy. If the melanoma has spread to distant organs (stage IV) or recurs (comes back after treatment), surgery may be performed again to help control the disease.

Bone cancer is a malignant condition that can affect both children and adults. The term “bone cancer” encompasses several different types of the disease, therefore bone cancer symptoms can vary. As a whole, bone cancer is categorized based on whether the cancer originated in the bone (primary) or whether it spread from another location to the bone (secondary). Secondary bone cancer, or cancer that has spread to the bone from another part of the body, is much more common than primary bone cancer.

Bone Cancer Symptoms

Bone cancer symptoms may vary based on the type of bone cancer, but pain is the most commonly experienced symptom. Bone cancer most often occurs in the long bones of the body (arms and legs), so these are the most common sites for pain. Keep in mind that not all bone tumors are cancerous; some are benign. Bone pain is more often related to a benign condition, like an injury, than it is to cancer.

Other symptoms of bone cancer include:

• joint tenderness or inflammation
• fractures due to bone weakness

Non-specific symptoms like fever, unintentional weight loss, fatigue, and anemia can also be symptoms of later stage bone cancer, but are also indicators of other less severe conditions

What To Do If You Have Bone Cancer Symptoms

If you are experiencing bone pain or think you may have bone cancer, it is important to see your doctor. Express your concern over bone cancer early, so the doctor can address these thoughts right away. Keep in mind that bone cancer is not common, so your symptoms are much likely to be related to a much less serious condition. Your doctor will most likely want to rule out other conditions before attempting to diagnose bone cancer.

What Symptoms May Prompt a Doctor to Investigate Further

Chronic symptoms like bone pain, tenderness, inflammation, or loss of range of motion that does not return may prompt your doctor to seek additional tests to investigate the cause of the symptoms. In the bone cancer diagnostic process, x-rays, MRI, and bone scans are all possible imaging tests that a doctor may order. The findings from these tests are what will make a doctor suspect bone cancer.

Ultimately, it is a bone biopsy that will rule out or confirm the presence of cancer. A bone biopsy involves the removal of a small amount of bone tissue to be examined under a microscope. It usually takes less than an hour and can be done as an outpatient or surgical procedure.

Doing a biopsy on someone with primary bone cancer can be complex, because there is a risk of spreading the cancer during the procedure. The procedure should be done by a surgeon who has experience performing bone biopsies on those with suspected bone cancer. It’s important to note that biopsies can be a common way to worsen these cancers and potentially spread into other tissues when performed by someone who is inexperienced.

Cancer is a group of diseases characterized by uncontrolled growth and spread of abnormal cells.If the spread is not controlled, it can result in death. Cancer is caused by both external factors (tobacco, chemicals, radiation, and infectious organisms) and internal factors (inherited mutations, hormones, immune conditions, and mutations that occur from metabolism). These causal factors may act together or in sequence to initiate or promote carcinogenesis. The development of most cancers requires multiple steps that occur over many years. Certain types of cancer can be prevented by eliminating
exposure to tobacco and other factors that accelerate this process. Other potential malignancies can be detected before cells become cancerous or at an early stage, when the disease is most treatable. Cancer is treated by surgery, radiation, chemotherapy, hormones, and immunotherapy.

One in eight deaths worldwide is due to cancer. Worldwide, cancer causes more deaths than AIDS, tuberculosis, and malaria combined. Cancer is the second leading cause of death in the world  (following heart diseases)  (Table 1). The burden of cancer is increasing  in developing countries as childhood mortality and deaths from infectious diseases decline and more people live to older ages. Further, as people in developing countries adopt western lifestyle behaviors, such as cigarette smoking, higher consumption of saturated fat and calorie-dense foods, and reduced physical activity, rates of cancers common in western countries will rise if preventive measures are not widely applied.