Although bones are hard and rigid they are made up of living cells. There are two types of bones: flat bones, which are those such as the skull that are responsible for protecting organs; and long bones, which provide support such as the bones in...
Bone tissue contains two major classifications of cells: cells that deposit new bone tissue, and cells that reabsorb and break down old bone tissue. Throughout life, the bones undergo constant cellular remodeling to help maintain the integrity of...
Bone cancer is a disease caused by a tumor that destroys bone tissue. According to the National Cancer Institute, benign or noncancerous bone tumors are more common than malignant tumors; however, both types of tumors can compress normal bone...
Bone tissue is constantly being remodeled and repaired by the body. Various disorders can damage bones and result in bone lesions. Symptoms include bone pain or tenderness, and the injury can only be seen using special imaging tests.
Destruction of an area of bone that is caused by either a malignant or benign disease is called a lytic lesion of the bone, according to the National Cancer Institute. These types of lesions can be seen on radiology studies such as an X-ray;...
The word "tumor" is the Latin word for "swelling." Simply put, tumors are growths that occur where they are not supposed to.
Hip fractures are sustained by more than 306,000 Americans each year, according to the American Academy of Orthopaedic Surgeons. It is the most common orthopedic condition requiring hospital admission. Prevention of hip fractures involves...
Bone cancer can affect any of the bones of the body. The tibia is the long bone in the lower leg between the knee and ankle. A cancerous tumor is a body of tissue that grows abnormally fast. The tumor can be a primary bone tumor--meaning it...
The bones of the skeletal system gain density and strength throughout childhood. Diseases of the bone can interrupt that vital process, weakening the bones. Many childhood bone diseases are mild or self limiting, resolving on their own in the very...
Many different conditions and ailments can contribute to leg aches and pain. Leg pain may affect a small, specific area or may radiate to different areas. While most leg pain is not due to severe conditions, you should see a doctor if you...
Bone cancer or bone tumor is a general term for a wide variety of conditions that can be present in the bone, and are made up of rapidly dividing cells. Bone cancer can be present in any bone in the body. There three major types of bone tumors:...
A lesion is a localized pathological change in a tissue. Many diseases affect the functioning or structure of bones, which are responsible for support, movement and synthesis of blood cells in the marrow. Bone lesions may be classified in various...
A burst fracture is a fracture of the vertebrae that can result in compromise to the spinal cord due to traumatic compression of the spine. The fracture can involve a "retropulsion" of bone into the spinal canal, leading to neurologic deficits...
Traumatic bone cyst, also known as simple bone cyst, is a relatively common lesion found in the long bones and jaws. According to Brad Neville's "Oral and Maxillofacial Pathology," the traumatic bone cyst is "a benign, empty, or fluid-containing...
There are many conditions that can cause bone pain in the legs. Some are not serious and heal with the right treatment, while in other cases this symptom signals an underlying medical condition. Given this, it is important to not self-diagnose...
Trochanteric fractures of the femur or thigh bone are not common injuries. The trochanters can be fractured in isolation or as part of another type of hip fracture. Patients may develop hip or thigh pain with or without a known trauma causing the...
Alkaline phosphatase, or ALP, is a commonly measured enzyme found in several body tissues, including bone. Bone cancers and other tumors can result in elevated blood levels of ALP, but are not the only possible causes. The properties of ALP allow...
Bone cancer is a rare form of cancer, according to the University of Maryland Medical Center, but it can affect any and all bones within your body. Bone cancer commonly occurs when you have cancer in another part of your body, such as breast or...
Dizziness and nausea may result from an injury or a health-related illness. According to Mayoclinic.com, dizziness and nausea can be caused by a concussion. People who suffer from vertigo or go into anaphylactic shock can also experience dizziness...
Osteomalacia is a bone disease where the bones soften over time. Osteomalacia is caused by a few internal dysfunctions, one of them being hypophosphatasia, a genetic disorder. Under normal circumstances the body allows the bones to harden. In...
The diversity of the functions of the 206 skeletal system bones includes support for bodily movement, protection of vital organs and production of blood cells in the marrow of some bones. From the femur, the longest bone, to the smallest bone in...
Cancer describes a disease characterized by the formation of an invasive tumor due to the abnormal and out-of-control growth of cells. Cancer can affect any type of cell in the body, including those cells found in the bones. Most tumors on the...
Sarcoidosis, with no known cause or cure, produces granulomas that manufacture activated vitamin D, creating increased intestinal absorption of calcium, elevating levels in the blood and urine called hypercalcemia. Granulomas, atypical...
The body contains many bones that serve to support it. Bones are constantly being made and broken down. Specifically, bones can break down and result in high calcium levels in your blood. Sometimes, bones may fuse and create movement problems....
Protopic is a topical medication that works to decrease the cell activity in the body's immune system. Drugs.com explains that it is often used to slow the growth of atopic dermatitis (eczema) on the skin. The medication comes in an ointment...
The skeletal system consists of 206 bones held together and mobilized by ligaments, muscles and tendons. The bone marrow in the center of the bone makes red blood cells and stores minerals such as calcium and phosphorus. Disease processes...
A hemangioma vertebra is a tumor in the vertebra, or segments of bone, of your spine. Cedars-Sinai Medical Center states that a hemangioma is the type of tumor that is benign and, in general, will occur in one spinal bone or vertebra. Treatments...
Aching muscles and bones are relatively common health complaints. These symptoms may occur together or they may occur independently of one another. According to MedlinePlus, muscle aches are more commonly experienced than bone pain. The causes of...
Bones serve a variety of purposes in the body, such as protecting internal organs, providing support for the body and storing blood cells. Bone disorders come from a variety of sources including infections, injuries, genetics and abnormal growths....
