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Doctor insights on: Pathophysiology Of Avascular Necrosis

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Describe the features of avascular necrosis.?

Describe the features of avascular necrosis.?

Ischemic death of hi: Thblood supply to the center of the ball of you hip joint stops tje bone dies later iyt collapses and the ball shape of your hip is lost the hip collapses arthritis follows all stages are painful death collapse arthritis treted well with a total hip replacement. ...Read more

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Dr. Charles Glueck
464 doctors shared insights

Osteonecrosis (Definition)

-death of bone. This is due 2 loss of blood supply 2 a certain bone part. Common after some injuries such as fractured navicular in the wrist, dislocation of the hip. Some R due 2 drugs , especially steroids, also alcoholism, in these cases it's usually ...Read more


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Describe avascular necrosis of head of femur?

Describe avascular necrosis of head of femur?

The bone will be : Soft not hard bescuse the bone lost it is mineral.Avascular necrosis occurs when blood flow to a bone is interrupted. Loss of blood flow can result from joint injury, narrowed or clogged blood vessels (from fat or sickle cell anemia), or from excessive pressure inside the joint. ...Read more

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What is avascular necrosis of the hip?

What is avascular necrosis of the hip?

Hip joint breakdown: Avascular necrosis represents a spectrum of issues that advance from mild hip pain early in the process and heads toward varying degrees of femoral head collapse and severe pain with limited function. Speak to your orthopaedic surgeon if you are having progressive hip pain to see if imaging with X-rays or an MRI is indicated ...Read more

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Whats avascular necrosis of the femoral head?

Whats avascular necrosis of the femoral head?

Bone death: Avascular necrosis (also osteonecrosis, bone infarction, aseptic necrosis, ischemic bone necrosis, and (avn) is a disease where there is cellular death (necrosis) of bone components due to interruption of the blood supply. ...Read more

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What does avascular necrosis of lunate mean?

Lacks blood supply: For some reason, your lunate bone has lost its blood supply. See an orthopedic hand and wrist specialist for treatment. ...Read more

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Can hemachromotosis cause avascular necrosis of the ankle joint?

Can hemachromotosis cause avascular necrosis of the ankle joint?

Arthritis, not AVN: Hemochromatosis is associated with development of arthritis that can affect multiple joints, but is not generally associated with avascular necrosis. ...Read more

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What are the causes of acute tubular necrosis?

What are the causes of acute tubular necrosis?

Ischemia, drugs: Acute tubular necrosis (atn) can happen if the kidney has severely reduced blood supply (ischemia). This could be caused by hypotension (very low blood pressure), volume depletion (as a result of illness or trauma), problems with the blood vessels supplying the kidneys (renal artery blockage), and drugs that affect the flow of blood to the kidneys. Drugs and toxins can also directly cause atn. ...Read more

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What are the signs/symptoms of avascular necrosis of the hip?

What are the signs/symptoms of avascular necrosis of the hip?

Pain pain limpping: Many people have no symptoms in the early stages of avascular necrosis of bone. As the disease worsens, your affected joint may hurt only when you put weight on it. Eventually, the joint may hurt even when you're lying down.Pain can be mild or severe and usually develops gradually.Pain associated with avascular necrosis of the hip may be focused in the groin, thigh or buttock. ...Read more

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What is vascular necrosis of the femoral hip area?

What is vascular necrosis of the femoral hip area?

Avascular necrosis?: Avascular necrosis refers to a state of diminshed blood supply to the femoral head.. It results in hip pain and progressive degenerative changes. ...Read more

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What are the differences between bone marrow edema and avascular necrosis?

What are the differences between bone marrow edema and avascular necrosis?

Bone marrow: edema is a nonspecific finding which can be seen with almost any pathologic process involving bone. Avascular necrosis is a specific pathologic process relating to bone infarction due to vascular compromise. Marrow edema can be seen with avascular necrosis. ...Read more

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Is avascular necrosis serious?

Yes: Avascular necrosis is bone death due to lack of blood supply. This can occur in joints where the blood supply can be easily disrupted by injury or disease. Joints such as the hip, knee, wrist, elbow or ankle. Some medications such as steroids can increase risk of this problem. Disease which have increased risk include diabetes, sickle cell disease, gout, atherosclerosis. ...Read more

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What is avascular necrosis ?

What is  avascular necrosis ?

Avascular necrosis: Bone is a living tissue that is constantly turning over; this involves tightly regulated systems of bone addition and subtraction. In order to deliver the cells that are responsible there needs to be adequate blood flow. If the blood flow is disrupted significantly, the affected areas can undergo avascular necrosis (avn). Avn can lead to collapse of the area and arthritis if it occurs near joints. ...Read more

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What is avascular necrosis of hip and knee?

What is avascular necrosis of hip and knee?

Bone Destruction: Avascular necrosis means there is no blood getting to a particular body part. Our body parts need blood to survive, including bones (bones are living tissue). Necrosis refers to the dying of cells that make up that body part. Avascular necrosis of the hip & knee means there is no blood getting to them & they are being destroyed. ...Read more

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Dr. Alfred Kim Dr. Kim
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What is the cure for avascular necrosis of hips?

Dr. Alfred Kim Dr. Kim
4 doctors agreed:

Joint replacement: Bisphosphonates (medications typically used for osteoporosis) can be used as a non-surgical approach, but most people need surgery. ...Read more

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Perthes disease avascular necrosis of femoral artery in 3 year child what is the treatment ?

Perthes disease avascular necrosis of femoral artery in 3 year child what is the treatment ?

Limit weight bearing: As a general pediatrician, I have had several patients respond well to crutches and limited activity, although in some situations, short term casting may be recommended. A good reference is: http://www.mayoclinic.org/diseases-conditions/legg-calve-perthes-disease/basics/definition/con-20035572. Depending on the severity of your child's condition, your doctor may have other recommendations. ...Read more

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Is there a relation between avascular necrosis and multiple sclerosis?

Is there a relation between avascular necrosis and multiple sclerosis?

Yes, But...: Relapses due to multiple sclerosis need treatment, and most commonly we use high dose steroids or acth to reverse the process. In an occasional patient the steroids can cause adverse event, avascular necrosis of hip, shoulder, or knee. This can damage the joint profoundly, with need for joint replacement. Ms doesn't cause on its own. ...Read more

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Is avascular necrosis serious?

Yes: Avascular necrosis is bone death due to lack of blood supply. This can occur in joints where the blood supply can be easily disrupted by injury or disease. Joints such as the hip, knee, wrist, elbow or ankle. Some medications such as steroids can increase risk of this problem. Disease which have increased risk include diabetes, sickle cell disease, gout, atherosclerosis. ...Read more

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Dr. Pietro Seni
226 doctors shared insights

Avascular Necrosis (Definition)

Also known as osteonecrosis, this is the death of a bone caused by an interruption of the blood supply. This can result in tiny bone fractures and eventual destruction ...Read more


Necrosis (Definition)

Necrosis is the the death of cells and tissue. In dentistry, root canals are often needed when the pulp tissue inside a ...Read more