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Doctor insights on: Osteonecrosis Causes

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What causes osteoporosis?

What causes osteoporosis?

Genetic factors: At age 31 genetic factors and estrogen deficiency would be the most likely causes. Less commonly cortisone or other steroids, anorexia, immobilization, and a variety of drugs such as blockers of stomach acid secretion and antidepressive agents may cause bone loss. Long term vitamin d deficiency may also be a factor. ...Read more

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Dr. Milroy Samuel
78 doctors shared insights

Aseptic Necrosis (Definition)

Aseptic necrosis is also called osteonecrosis, avascular necrosis (AVN), or ischemic bone necrosis. It is a condition that occurs when there is diminished blood to the bone. An interruption to the blood supply causes bone to die. If the environment is not altered or improved, the involved bone may eventually collapse and ...Read more


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What causes osteosclerosis?

What causes osteosclerosis?

Axial osteosclerosis: Axial osteosclerosis is a rare condition that causes increased bone density in areas like the pelvis, hip and spine. ...Read more

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What causes bone tumors?

What causes bone tumors?

Preexisting lesion: Presence of pre existing lesions such as multiple cartilage tumors may result with one transforming to chondrosarcoma. The closer to the pelvis the greater the incidence. Other bone lesions when enlarging such as dysplasias or giant cell tumors as preexisting lesions may result in malignant transformation. ...Read more

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What causes Perthes disease?

What causes Perthes disease?

Leg Calve Perthes: Disease can be isolated or familial. Avascular necrosis of the femoral head occurs in growing children. The familial type, caused by heterozygous mutation in the COL2A1 gene on chromosome 12q13, is thought to be multi-factorial, with a recurrence rate of ~3%. LCPD is commonly seen in kids aged 4-10 years, some say 2-12, & is more common in boys than girls. ...Read more

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What causes jaw dislocations?

What causes jaw dislocations?

Many reasons: A malocclusion, opening too wide, grinding your teeth, chewing too much gum, having oral surgery done can cause dislocation of the tmj. Any one or more of the above situations will do it. These are the most common causes, there are plenty of others. ...Read more

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What causes bone cancer?

What causes bone cancer?

Dumb back luck: You won't find an environmental cause for any bone cancer apart from the rare ones that arise in pre-existing severe Paget's of bone, rare genetic syndromes or an old radiation port. Recently the news showcased what we pathologists have taught for decades -- the vast majority of cancers are the result of random mutations -- truly random. There's no way to prevent. ...Read more

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Which vitamin deficiency causes joint pain?

Which vitamin deficiency causes joint pain?

Non-specific: Although inadequate nutrition can contribute to pain, there is not one vitamin deficiency that causes muscle pain. Vitamin d deficiency can increase overall pain. For some people gluten can increase pain. A diet high in sugar also can make you more sensitive to pain. ...Read more

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What nutritional deficiency causes serious joint pain?

What nutritional deficiency causes serious joint pain?

Nutrition def/joi/pa: Joint pain can be caused by following nutritional deficiency vitamins a, c, &d help in manufacture of collagen other vitamins can cause damage to the nerves which can also be the cause of joint pain, these are vit e, b1, b6, b12, and niacin.These are necessary for nerve to grow. ...Read more

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What causes temporomandibular joint dysfunction to develop?

What causes temporomandibular joint dysfunction to develop?

Number of causes: Tmj dysfunction and pathology can have a number of causes. Some of these may include, congenital anomalies, trauma, abnormal habits, occlusion or bite problems that may be teeth and/or skeletal related, autoimmune diseases (arthritis, etc), tumors, and certain lifestyles. Unfortunately, having some dental procedures peformed may also initiate some symptoms associated with TMJ dysfunction. ...Read more

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What causes arthralgia?

What causes arthralgia?

It is joint pain: This is pain in the joint. It can be due to injury or inflammation. If there is more inflammation you can get swelling and this is then called arthritis.There are many causes for joint pain and it can even occur if the muscle strength about he joints is not good. There are lab tests to help tell if you have inflammation as well as your examination by your physician. or a rheumatologist ...Read more

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What causes osteoporosis (thinning of bone)?

What causes osteoporosis (thinning of bone)?

Many things: Osteoporosis can be the result of low calcium, low Vitamin D, decreased bone production, increased bone turnover, disuse of a limb due to injury or pain, or other medical conditions such as hypothyroidism or kidney disease. Therefore, it is important to have osteoporosis evaluated with a physical and blood work so that the correct treatment can occur and prevent fractures. ...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 conditions can cause decreased bone marrow?

What conditions can cause decreased bone marrow?

Many diseases can do: Radiation and chemotherapy are common causes. Cancer can get into the bone marrow and replace it, thus crowding the bone marrow cells and prevent normal function. Sometimes the cause is unknown..It is called aplastic bone marrow( aplastic anemia). Cancer of the blood cells(leukemia)can also suppress normal bone marrow and cause low blood counts or sometime high blood counts(but few normal cells). ...Read more

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What causes pain in skull bones?

What causes pain in skull bones?

Painful scalp!: Usually transient periostitis of the skull, most frequently seen in psoriatic arthritis patients. Should respond to nsaids. Called painful scalp syndrome! ...Read more

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What causes septic arthritis?

What causes septic arthritis?

Germs: Infection by viruses, bacteria( such as strep, staph, tb, lyme (borrelia), gonorrhea, syphilis, and funguses. ...Read more

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What causes spondyloepiphyseal?

What causes spondyloepiphyseal?

Bone growth disorder: Spondyloepiphyseal dysplasia congenita is bone growth disorder found in dwarfism. Is an inherited disorder. ...Read more

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Could radiation therapy cause osteonecrosis of the hips?

Could radiation therapy cause osteonecrosis of the hips?

Yes: If the hips get an amount of radiation above what this area can handle this complication can happen. This is why there is treatment planning and doctors limit radiation doses to the area of concern. However if treated no more than the maximum tolerance their is still 5 percent chance of complications at that maximum level. ...Read more

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What causes hydrarthrosis?

What causes hydrarthrosis?

Effusion: Hydrarthrosis is also known as an effusion. This is a collection of excess joint fluid within the capsule of the joint. There are many causes. It is a nonspecific response of a diarthroidial joint to trauma or pathology. ...Read more

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What is neuralgia-inducing cavitational osteonecrosis (nico)?

What is neuralgia-inducing cavitational osteonecrosis (nico)?

Cavity and neuralgia: Neuralgia-inducing cavitational osteonecrosis , refers to presence of cavitations in jaw bones (mandible and/or maxilla) in conjunction with chronic facial neuralgia. The concept implies direct and causal relationship between the bone pathology (cavitations) and pain itself. Pain in this setting is commonly described as atypical facial neuralgia and is chronic in nature. ...Read more

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Dr. Charles Glueck
461 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


Dr. Pietro Seni
220 doctors shared insights

Avascular Necrosis (Definition)

Also known as osteonecrosis, it is the death of bone from interruption of blood supply. This can result in tiny bone fractures and eventual destruction ...Read more