Myeloma
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Houston Methodist experts are among the best worldwide in the diagnosis and treatment of myeloma and other blood cancers. Our team provides the same high level of myeloma care at eight cancer center locations across the Greater Houston area.
Myeloma is a cancer of the plasma cells, which are white blood cells that fight infections. Myeloma cells weaken your body’s immune system leaving you vulnerable to infection. As myeloma cells multiply, they also impact red blood cells and can damage the kidneys and bones.
Because myeloma occurs in many places in the bone marrow, it is often called multiple myeloma.
Myeloma is part of a group of plasma cell diseases, ranging from precancerous to cancerous. These include:
- Active multiple myeloma – This is also called symptomatic myeloma due to the presence of myeloma symptoms.
- Amyloidosis – There are many subtypes of amyloidosis, but one subtype associated with plasma cell disease is called light chain (AL) amyloidosis. This can be seen with or without multiple myeloma and is characterized by abnormal protein deposits throughout the body.
- Monoclonal gammopathy of undetermined significance (MGUS): This is a precancerous condition characterized by abnormal labs and without symptoms. This can progress to multiple myeloma and requires clinical surveillance.
- Smoldering (indolent) multiple myeloma – This is also called asymptomatic myeloma due to an absence of myeloma symptoms. This can progress to multiple myeloma and requires clinical surveillance.
Why Choose Houston Methodist for Blood Cancer
Our multidisciplinary team of experts provides innovative, compassionate myeloma care. Oncology nurse navigators guide you through every stage of your care — from diagnosis through treatment.
Hematologists, oncologists and other specialists work together to develop a personalized treatment plan tailored to your needs. We use advanced diagnostics and treatment options — including molecular testing, immunotherapy and stem cell transplant — to stop your cancer as quickly and safely as possible.
Our pioneering research and our clinical trials result in new therapies designed to stop your cancer’s growth. Houston Methodist patients may access clinical trials offering potentially promising treatments not available to the general public.
Nationally Ranked for Cancer Treatment
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Know Your Myeloma Risk Factors
A risk factor is anything that increases your odds of developing myeloma, including genetic, environmental and lifestyle factors. It is important to be aware of your individual risk factors.
Risk factors vary by the type of myeloma. Common risk factors include:
- Age – The risk of myeloma increases with age, with most cases diagnosed in people over 65.
- Family history – A family history of myeloma can increase your risk.
- Gender – Men are slightly more at risk to develop it.
- Obesity – Being overweight or obese increases the risk of developing myeloma.
- Personal history – Having a history of solitary plasmacytoma (a tumor) of the bone or soft tissue increases your risk.
- Race – Myeloma is more common in African Americans than in other races.
- Sex – Myeloma is more common in men than in women.
One or more risk factors do not guarantee you will develop myeloma. At the same time, few or no risk factors does not mean you will not develop it.
To discuss your specific risks and prevention tactics, book an appointment with one of our specialists.
Identify Myeloma Symptoms Sooner
Myeloma occurs when your DNA mutates and begins to tell your cells to grow and multiply in an abnormal way. This change impacts your normal cell production.
When this happens, you may experience symptoms very similar to other, more common diseases. When you notice a new or persistent symptom, it is important to identify the root cause.
Myeloma may cause a variety of symptoms due to the proliferation of abnormal plasma cells in the bone marrow. Because multiple myeloma often does not have early symptoms, it can be difficult to diagnose in the beginning stages. Common myeloma symptoms include:
- Anemia – A shortage of red blood cells can cause persistent fatigue, weakness and shortness of breath.
- Bone fractures and bone pain – Myeloma often weakens the bones, leading to fractures and severe bone pain, especially in the spine, ribs and pelvis.
- Bruising and bleeding – Reduced platelet count can cause easy bruising, frequent nosebleeds and bleeding gums.
- Frequent infections – Similar to other blood cancers, myeloma can impair the immune system, resulting in frequent and recurrent infections.
- Hypercalcemia – Elevated calcium levels in the blood can occur due to bone breakdown, causing symptoms like nausea, vomiting, constipation and confusion.
- Kidney issues – Myeloma proteins (M proteins) can damage the kidneys, leading to kidney dysfunction or failure. Symptoms may include frequent urination, excessive thirst and swelling in the legs.
- Nerve damage – Myeloma can lead to peripheral neuropathy, resulting in numbness, tingling or pain in the hands and feet.
The only way to know for sure what is causing a particular symptom is to see your physician. The early detection of myeloma allows for timely intervention and treatment.
Multiple Myeloma Causes, Diagnosis & Treatment
What causes myeloma?
Myeloma occurs when plasma cells (antibody-producing white blood cells) in the bone marrow become abnormal and grow uncontrollably. This limits the ability of bone marrow to produce healthy blood cells and platelets.
These abnormal plasma cells don't produce functional antibodies. Instead, they produce nonfunctional antibodies — which contributes to issues as their levels build.
How is myeloma diagnosed?
There are no early screening tests available for blood cancers such as myeloma, leukemia or lymphoma.
If you experience symptoms of blood cancer, your doctor may perform one or more diagnostic tests to confirm a diagnosis and determine the specific type and stage of the cancer. Houston Methodist blood cancer specialists diagnose myeloma with blood tests, bone marrow biopsies or imaging.
How is myeloma treated?
If you receive a myeloma diagnosis, your oncology care team tailors your specific treatment plan to the type of blood cancer and its characteristics. We also consider your individual needs and lifestyle. Our goal is to provide effective treatments, while preserving healthy tissue and cells.
Smoldering Myeloma/MGUS = Watchful Waiting
Smoldering (or asymptomatic) multiple myeloma is a slow growing cancer closely monitored with diagnostic tests. With this watchful waiting approach, treatment is typically delayed until the disease progresses.
Active = Treating
There is no known cure for active (or symptomatic) multiple myeloma but a prolonged remission (a time after treatment without symptoms) is possible. Your care team may use one or more of the following methods to treat and manage the cancer, often using a combination of therapies to improve response rates.
Chemotherapy uses drugs to stop the growth or cancer cells. The drugs kill the cells or stop them from dividing. Chemotherapy is often used to treat multiple myeloma.
Radiation therapy is a cancer treatment using high-energy X-rays or other types of radiation to kill cancer skills or stop them from growing. Radiation works by targeting abnormal cells. It damages their DNA, so they are unable to reproduce.
Immunotherapy uses medications to stimulate a person’s immune system. It helps the body to produce or modify immune cells or help your existing immune cells recognize and destroy cancerous cells. Genetically engineered T-cells called CAR-T are a type of modified white blood cell called lymphocytes taken directly from the patient and then modified to target myeloma cells. Bispecific T-cell engagers (BiTE) are used to enhance the immune response against myeloma cells.
A bone marrow transplant — also known as a stem cell transplant — may be used to treat multiple myeloma. This allows for higher doses of chemotherapy to be given, when a more aggressive approach is needed. The transplant replaces damaged bone marrow with healthy stem cells.
Targeted therapies use specific therapies aimed at directly targeting and destroying myeloma cells.
Bone strengthening agents are used to help treat myeloma bone lesions and reduce the risk for broken bones.
Myeloma Screening & Risk Factors