Lateral femur head necrosis. Medical search. Frequent questions

Frogleg lateral view of the right hip in a patient with avascular necrosis shows the crescent sign, indicating subchondral fracture. (medscape.com)
The aim of this study is to report the outcome of an adolescent femur shaft fracture treated with a rigid intramedullary interlocking nail in North Indian patients. (ijrsms.com)
A buttress plate in the medial region of the femur neck with cannulated screws offers patients the best biomechanical microenvironment needed for fracture healing without obviously blood-supply disruption, especially in Pauwels type Ⅱ and III. (researchsquare.com)
5) Karaeminoğulları O, Demirörs H, Atabek M, Tuncay C, Tandoğan R, Özalay M. Avascular necrosis and nonunion after osteosynthesis of femoral neck fractures: effect of fracture displacement and time to surgery. (medicanainternational.com)
To make a diagnosis, your doctor may take an x-ray to rule out a fracture (as this is often the cause of limited blood flow to the femoral head). (mendmyhip.com)
Trauma to the hip joint (i.e. fracture or dislocation) can interrupt the flow of blood to the femoral head, leading to osteonecrosis. (mendmyhip.com)
In the unstable jumper's fracture ( Fig. 15.41 ), dissociation of the central portions of the sacrum from its lateral portions occurs by bilateral vertical sacral fractures, most commonly through the neural foramina representing the weakest points in the sacrum. (radiologykey.com)
During the period of revascularization, the bone is soft and liable to fracture under pressure, causing collapse of the head of the femur. (orthoseek.com)
We know that in cases of fracture of the neck of the femur where the circulation to the head is cut off, the head of the femur undergoes avascular necrosis, changes similar to those seen in Perthes disease. (orthoseek.com)
More frequently, the child presents because of the fracture of the head of the femur that occurs during the stage of revascularization, The child may present with a painful limp that occurred over days or weeks. (orthoseek.com)
Not uncommonly, the patient may go through the whole process of ischaemia with avascular necrosis, revascularization, fracture and collapse, repair and remodelling with no significant symptoms. (orthoseek.com)
Medially, only the thin bone of the acetabular fossa (Figs 6.71 & 6.72) separates the head of the femur from structures within the pelvis that are vulnerable following acetabular fracture accompanied by medial displacement of the femoral head. (pediagenosis.com)
Review Article Abstract Author Information Authors A simple hip dislocation is one without fracture of the proximal femur or acetabulum. (symptoma.com)
Complex fracture -dislocations involve the acetabulum, femoral head, or femoral neck. (symptoma.com)
Antero-posterior radiograph of right side proximal femur showing the anatomy and fracture positions. (musculoskeletalkey.com)
In a fragility fracture context, intra-capsular hip fractures are in fact through the femoral neck, as femoral head fractures are uncommon in the elderly. (musculoskeletalkey.com)
In adults, the femoral head is primarily supplied by the distal recurrent vessels entering the femur on the shaft side of the fracture. (musculoskeletalkey.com)
Avascular necrosis is caused by ischaemia hypothetically due to either a direct trauma to the arterial supply crossing the fracture-line or by a temporary arterial impingement, caused by vessel stretching or intra-capsular hematoma. (musculoskeletalkey.com)
The fracture-line is anatomically located laterally to the nutrient vessels to the femoral head, so avascular necrosis is rarely seen, but muscle attachments often dislocate the fragments and bleeding into surrounding muscles can be severe and life-threatening. (musculoskeletalkey.com)
31-A3 covers fracture lines through the lateral femoral wall - defined as the lateral cortex distal to the greater trochanter - in which the subgroup 31-A3.1 represent the reverse fracture and 31-A3.2 the transversal, while the most comminuted 31-A3.3 fracture demands both a fractured lateral femoral wall and a detached lesser trochanter. (musculoskeletalkey.com)
The reason for this distinction as highlighted by Palm et al and Gotfried et al, is the quality of the greater trochanter and potential for a lateral wall fracture while inserting the sliding screw leading to a potentially unstable situation post-operatively. (traumainternational.co.in)
Several studies have found that an inter-trochanteric fracture with extension into the lateral wall either existing or produced during insertion of screw plate device, leads to an unstable situation that cannot be salvaged with a sliding compression screw plate device. (traumainternational.co.in)
The support from lateral femoral wall is the key to success in sliding screw plate device to allow controlled compression and collapse at the fracture site. (traumainternational.co.in)
When the lateral femoral wall is fractured, the fracture line is parallel to the sliding vector of the sliding hip screw, which, as in the reverse oblique intertrochanteric fracture, allows the trochanteric and femoral head and neck fragments to slide laterally and the shaft to slide medially. (traumainternational.co.in)
A hip fracture is a break in the proximal part of the femur (thigh) bone. (drpatelchirag.com)
The diagnosis of a hip fracture is generally made by an X-ray of the pelvis and the affected hip and femur. (drpatelchirag.com)
This fracture occurs between the neck of the femur and a lower bony prominence called the lesser trochanter. (drpatelchirag.com)
A typical inter-trochanteric fracture line runs between the greater and the lesser trochanter of the femur. (drpatelchirag.com)
A 22-year-old truck driver involved in a ski accident sustained an obturator dislocation of the right hip associated with a femoral head impaction in the weight-bearing zone and a medial wall fracture of the acetabulum. (jocr.co.in)
In 12% of the patients, the dislocation is combined with a femoral head fracture (complex dislocations) [1, 2] which could result in severe complications such as avascular necrosis (AVN) and subsequent early secondary osteoarthritis. (jocr.co.in)
In general, the treatment of complex hip dislocations depends on the associated fracture (e.g., femoral head fracture, femoral neck fracture, and acetabular fracture). (jocr.co.in)
An obturator hip dislocation with a femoral head and a medial wall acetabular fracture is a very rare combination. (jocr.co.in)
Here, we report the long-term outcome of a young man treated with open reduction and internal fixation (ORIF) of the medial wall fracture, a valgus osteotomy of the femur and a restock of the impaction with autologous bone graft. (jocr.co.in)
He sustained an obturator dislocation of the right hip associated with a severe femoral head impaction fracture in the weight-bearing zone and a medial wall fracture of the acetabulum (Fig. 1, 2, 3). (jocr.co.in)
According to AAOS Global Service Data GSD) CPT 24666 (Open treatment of radial head or neck fracture, includes internal fixation or radial head excision, when performed with radial head prosthetic replacement) is the primarycode to address this problem. (greensand.shop)
The sliding allows for a controlled collapse of the fracture without lateral implant protrusion. (aofoundation.org)
Femur, neck - Fracture 31B. (aofoundation.org)

This causes the distal posterior-superior retinacular arteries and proximal lateral epiphyseal vessels to kink or rotate, compromising the blood flow to the epiphysis. (medscape.com)
Blood supply to the proximal femur has been reserved with no signs of avascular necrosis. (aofoundation.org)
The proximal femur makes up one side of the hip joint, while the distal femur makes up one side of the knee joint. (hipeducation.com)
Femoroacetabular impingement (FAI) syndrome is a motion-related clinical disorder of the hip involving premature contact between the acetabulum and the proximal femur, which results in particular symptoms, clinical signs and imaging findings. (physio-pedia.com)
Hip dislocation is a term used to describe the medical situation where the proximal end of the femur and the hollow socket of the pelvis become disjointed. (symptoma.com)
Lower limb length, mechanical axis deviation (MAD), lateral distal femoral angle (LDFA), and medial proximal tibial angle (MPTA) were measured. (ortopaedi.dk)

The recommended entry site is on the bare aspect of the greater trochanter 1520 mm distal to the tip of the greater trochanter and forms an angle of 1214 lateral to the greater trochanter, as measured from the lateral entry point to a point 20 mm distal to the lesser trochanter (Fig 2). (aofoundation.org)
The greater trochanter or femoral neck then acts like a lever, lifting the femoral head out of the acetabulum. (amfs.com)
Measuring the distance between the greater trochanter and the lateral femoral condyle and dividing this distance by 2 determines the midpoint. (medscape.com)
The head surmounts the femoral neck, whose base abuts the medial side of the greater trochanter. (pediagenosis.com)
Laterally, the greater trochanter covers the neck of the femur and is palpable on the lateral side of the thigh. (pediagenosis.com)

Located on the posterior side of the hip joint, it is a strong external rotator and adductor of the thigh, but also acts to stabilize the femoral head in the acetabulum. (wikipedia.org)
The frogleg lateral view is better than anteroposterior (AP) projection for demonstrating this sign, because the anterior and posterior margins of the acetabulum on the AP projection are superimposed over the superior portion of the femoral head, the usual location of the sign. (medscape.com)
The third type of hip dislocation is a central dislocation in which a direct impact to the lateral aspect of the hip forces the hip centrally through the acetabulum into the pelvis. (amfs.com)
12 This scenario occurs when the patient reaches the extremes of the prosthetic range of motion and the femoral neck levers on the acetabular cup, allowing the femoral head to escape from the acetabulum. (ochsnerjournal.org)
The preparation of the acetabulum and the femur is difficult and requires attention, time and appropriate equipment. (unimi.it)
A condition that results from having an incorrectly shaped femur (thigh bone) or acetabulum (socket). (hipeducation.com)
The hip (acetabulofemoral joint) is a synovial joint formed between the femur and acetabulum of the pelvis. (physio-pedia.com)
Pincer morphology describes "overcoverage" of the femoral head by the acetabulum in which the acetabular rim is extended beyond the typical amount, either in one focal area or more generally across the acetabular rim. (physio-pedia.com)
The femoral head glides anteriorly into the acetabulum and increases joint loading. (physio-pedia.com)
If X-rays show that the head is well-contained in the acetabulum, results tend to be good. (orthoseek.com)
The hip joint is very stable, largely because of its bony morphology and the deep fit of the femoral head into the acetabulum. (pediagenosis.com)
The hip joint is a ball-and-socket joint, formed by the ball (femoral head) at the upper end of the thighbone, and the rounded socket (acetabulum) in the pelvis. (bostonorthoandspine.com)

Illustration demonstrating that the blood supply to the femoral head is compromised by subcapital femoral fractures or slipped capital femoral epiphysis. (medscape.com)
The ALFN is indicated to stabilize fractures of the femoral shaft, subtrochanteric, ipsilateral neck/shaft and impending pathological fractures, as well as nonunions and malunions of the femur (Fig 1). (aofoundation.org)
Femur shaft fractures constitute 1.6% of overall fractures in children. (ijrsms.com)
[ 2 - 4 ] The management of shaft femur fractures is age dependent. (ijrsms.com)
However, the optimal definitive management of such fractures remains controversial and a challenging orthopaedic problem due to the complexity of anatomical relationship and a vulnerable blood supply to the femoral head, which could result in malunion, nonunion, or avascular necrosis 4 - 6 . (researchsquare.com)
The exclusion criteria were (1) pathological fractures, (2) severe blood and immune system diseases, (3) severe multiple traumas or a previous history of ipsilateral hip or femur surgery, and (4) conditions such as osteoarthritis and post-dysplastic deformities. (researchsquare.com)
A lateral force vector characteristically causes transverse fractures of the pubic rami, vertical compression fractures of the sacrum, and fractures of the iliac wings, as well as pelvic instability caused by rotation of one or both hemipelvises (rotational instability). (radiologykey.com)
Femoral neck fractures are at risk of non-union with/without mechanical collapse due to insufficient fixation and/or avascular necrosis of the femoral head. (musculoskeletalkey.com)
Talar neck fractures represent 50% of all talar injuries and are responsible for 90% of all traumatic avascular necrosis. (caringmedical.com)
The latter are often labeled as iatrogenic lateral wall fractures (ILWF). (traumainternational.co.in)
Hip fractures occur at the upper end of the thigh bone (femur). (drpatelchirag.com)
These fractures occur between the neck and the head of the femur, and are generally within the cap-sule and may have loss of blood supply to the bone. (drpatelchirag.com)
Indentation fractures of the femoral head have been reported to occur in 35%-55% of patients after traumatic obturator dislocation [3, 4, 5]. (jocr.co.in)

If conservative therapies fail to help torn medial (841.1) or lateral (841.0) collateral ligament injuries, your surgeon might opt to perform a ligament repair or reconstruction. (greensand.shop)
The ulnar collateral ligament is the true lateral collateral that surgeons repair or reconstruct, and goes from humerus to ulna, just like the medial collateral. (greensand.shop)

They traverse the femoral neck and are contained within the joint capsule and give rise to the lateral epiphyseal vessels at the junction of the femoral head and neck. (medscape.com)
As the epiphysis or femoral neck separates from the femoral head, the femoral metaphysis displaces superolaterally and the femur rotates externally. (medscape.com)
Branches from the external iliac artery form a ring around the neck of the femur, with the lateral femoral circumflex artery going anteriorly and the medial femoral circumflex artery going posteriorly. (ochsnerjournal.org)
In the MCS group, there were one avascular necrosis, five postoperative nonunion, five implant failure, and two femoral neck shortening. (researchsquare.com)
Although the size of the flap is dictated by the needs of the head and neck defect, certain principles apply. (medscape.com)
The medial circumflex femoral artery(MCFA) is a medial branch of the profunda femoris artery(PFA), but in some cases it originates from the femoral artery(FA).It is a vital artery supplying the head and neck of femur.It is very important to avoid its injury in hip surgeries to prevent necrosis of the femoral head. (ijmhr.org)
Cam morphology describes a flattening or convexity of the femoral head-neck junction. (physio-pedia.com)
From the femoral attachment of the capsule, retinacular fibres derived from the deep part of the capsule (Fig. 6.67) are reflected medially over the neck to the margins of the head. (pediagenosis.com)
Synovial membrane lines the interior of the capsule and the non-articular surfaces of the joint, clothes the ligament of the head of the femur and is reflected over the retinacular fibres and the femoral neck as far as the head. (pediagenosis.com)
After the capsulotomy is performed, apply traction on the limb and manipulate the head and neck with hooks or K-wires, which can be inserted to act as joysticks until an anatomical reduction is achieved. (aofoundation.org)

The principal contributing factor in the pathogenesis of the disease is insufficient blood supply to the femoral head resulting in necrosis of the femoral head. (ijpsonline.com)
1 The major blood supply to the femoral head is the medial femoral circumflex artery. (ochsnerjournal.org)

From there, it passes laterally to its insertion on the posterior side of the head of the femur: the quadrate tubercle on the intertrochanteric crest and along the quadrate line, the vertical line which runs downward to bisect the lesser trochanter on the medial side of the femur. (wikipedia.org)
Illustration of the normal circulation of the femoral head, viewed from the posterior approach. (medscape.com)
Posterior hip dislocations occur typically during MVAs, especially head-on collisions, when the knees of the front-seat occupant strike the dashboard. (amfs.com)
Hip dislocations are commonly classified according to the direction of dislocation of the femoral head, either anterior or posterior, and are treated with specific techniques for reduction. (ochsnerjournal.org)
The third perforator is traced as it passes superiorly through, or posterior to, the short head of the biceps femoris. (medscape.com)
The posterior superior iliac spine is usually marked by a dimple in the skin just lateral to the sacrum. (dartmouth.edu)
Follow the medial and lateral cortical lines on the AP view and the anterior and posterior cortical lines on the axial view. (aofoundation.org)

Since the muscle works to laterally rotate and adduct the femur, actions involving the lower body can strain the muscle. (wikipedia.org)
Anterior hip dislocation is commonly reduced by inline traction and external rotation, with an assistant pushing on the femoral head or pulling the femur laterally to assist reduction. (ochsnerjournal.org)
The iliofemoral, pubofemoral and ischiofemoral ligaments are capsular thickenings that spiral downwards and laterally from the hip bone to the femur. (pediagenosis.com)

Sickle cell disease causes osteonecrosis (20% to 50% of patients) and collapse of the femoral head that result in secondary osteoarthritis. (unimi.it)
This progressive disease can lead to collapse of articular surface of the femoral head and eventual osteoarthritis of the hip joint [ 2 ]. (biomedcentral.com)
Hip resurfacing treats hip bone damage caused by avascular necrosis, osteoarthritis, rheumatoid arthritis, or post-traumatic arthritis. (oibortho.com)

The lateral and medial circumflex femoral arteries branch off the femoral artery and supply the femoral head with the majority of its blood supply. (mendmyhip.com)
For any chronic condition that may cause hip necrosis or once the arteries are repaired, improving blood flow to the hip joint is essential to prevent any further bone marrow from dying and improving the health of the hip joint. (mendmyhip.com)
Variations in the origins of the profunda femoris, medial and lateral circumflex arteries:a cadaver study in the Indian population. (ijmhr.org)
Could it be that the delay in bone development in the head of the femur somehow causes compression to the arteries that supply it? (orthoseek.com)

Hip dislocation can also be caused by congenital condition and acetabular or femoral head dysplasia. (amfs.com)

It originates on the lateral border of the ischial tuberosity of the ischium of the pelvis. (wikipedia.org)
The femoral head may be palpated anterior to the pelvis. (amfs.com)
Cup-shaped "socket" that is part of the pelvis and holds the head of the femur to make up the hip joint. (hipeducation.com)
Medially, a smooth surface, the iliac fossa, forms a part of the lateral wall of the greater (or "false") pelvis (fig. 12-4 ). (dartmouth.edu)

The top of the humerus forms the head of the shoulder joint. (ortoped.bg)

The mean femur length discrepancy was 7 mm. (ijrsms.com)

Various preventive measures required to treat femoral head necrosis include revascularization, adequate supply of osteogenic cells and establishing enough strength to avoid collapse. (ijpsonline.com)

Other common locations of hip pain include the buttock, lateral hip, and knee. (bostonorthoandspine.com)

A medially directed force then pushes the femoral head through the anterior acetabular capsule. (amfs.com)
We had only one type of stem, only one type of acetabular cup and only 28 mm cobalt chrome heads. (unimi.it)
The teres ligament connects the top of the femoral head to the tissue inside the acetabular joint and contains a small artery that supplies blood to the femoral head . (mendmyhip.com)
Cam and pincer morphology can lead to damage of the articular cartilage and the labrum due to impingement between the acetabular rim and the femoral head during movement, which causes the symptoms of FAI syndrome. (physio-pedia.com)
Within the joint is the ligament of the head of the femur (ligamentum teres femoris) (Figs 6.67 & 6.69), which has the form of a flattened cone, the base attaching to the margins of the acetabular fossa and transverse acetabular ligament and the apex to the fovea on the femoral head. (pediagenosis.com)

Quadratus femoris use in the Meyer's muscle pedicle grafting to prevent avascular necrosis of femur head. (wikipedia.org)
Lateral rotation is produced by piri formis, quadratus femoris, obturator externus and internus and the gemelli. (pediagenosis.com)

The ALFN has a lateral trochanteric entry point and a double curved configuration (double bend in two planes and additional tip bend) to avoid compromising the ascending branch of the medial femoral circumflex artery near the piriformis fossa. (aofoundation.org)

The most common complication is the adnexal torsion, causing partial or complete strangulation of blood supply via ovarian vessels, leading ovarian ischemia, or necrosis. (degruyter.com)

Femoral head collapse usually occurs within 2 years after development of hip pain. (medscape.com)
According to an estimate, 70 % of the individuals diagnosed with FHN progress to develop the collapse of the femoral head. (ijpsonline.com)
Published opinions regarding this disease represent that there are 59 % of cases that proceed to symptomatic disease, which results in femoral head collapse[ 5 ]. (ijpsonline.com)
But it could not prevent the collapse of the necrotic femoral head. (biomedcentral.com)
If ONFH cannot be cured effectively in the early stage, it will lead to collapse of the femoral head and the patients need to be treated with total hip arthroplasty (THA) [ 5 ]. (biomedcentral.com)
It has been realized that the support to the necrotic femoral head is further reduced because of the remaining cavity after CD, which may lead to the collapse of the femoral head more easily [ 7 ]. (biomedcentral.com)
This weakens the bone and can lead to a collapse of the femur head and eventual arthritis as the surface of the femur head (articular cartilage) changes shape. (mendmyhip.com)
But there are things one can do to prevent or minimize collapse of the head of the femur. (orthoseek.com)
If only part of the head is involved, and the lateral part of the head is not involved, risk of collapse is much less, and long-term results tend to be better. (orthoseek.com)

The ALFN's lateral entry point makes the nail insertion safer and diminishes the risk of circumflex artery injury. (aofoundation.org)
The lateral and medial circumflex branches of the PFA were dissected and identified.The origin of the MCFA from the profunda femoris and variations present in its origin were studied and photographed. (ijmhr.org)
Oide T. Selective Medial circumflex femoral arteriography in idiopathic ischaemic necrosis of femoral head in adults,Nippon SeikeigekaGakkai Zasshi.1979;53:293-305. (ijmhr.org)

An area of the femur (thigh bone) just below the femoral head, which serves as the "ball" portion of the ball-and-socket hip joint. (hipeducation.com)

Lateral wall is defined as part of the femoral cortex distal to the vastus ridge. (traumainternational.co.in)

Glenohumeral Ligaments: A group of 3 ligaments that form a capsule around the shoulder joint and connect the humeral head to the glenoid. (ortoped.bg)

The hip is forced into abduction and the force pushes the femur medially. (amfs.com)

MD, a 59-year-old school administrator from Alaska, had chronic right lateral ankle pain for three years after a severe ankle sprain. (caringmedical.com)

The long head of the biceps femoris falls posteriorly as the vastus is retracted anteriorly. (medscape.com)

Axial computed tomography scan in a patient without avascular necrosis of the femoral head shows prominent and thickened but normal trabeculae (arrow) within the femoral head. (medscape.com)
It is easiest to obtain lateral and axial views to position the contralateral leg in a leg holder. (aofoundation.org)

The ligament of the head of the femur limits adduction of the hip. (pediagenosis.com)

Approximately 10% of Avascular necrosis of the talus is considered idiopathic: 15% is medication-induced and 75% from trauma. (caringmedical.com)

However, the results merely depend on the etiology and the clinical stage of femoral head necrosis. (ijpsonline.com)

We undertook total hip arthroplasty procedures on 12 patients (4 females and 8 males) with osteonecrosis of the femoral head. (unimi.it)
Osteonecrosis of the femoral head (ONFH) is a disabling disease. (biomedcentral.com)

The hip bone connects the trunk to the lower limb by extending from the sacrum to the femur. (dartmouth.edu)

The procedures were performed through either an anterior or a direct lateral approach. (unimi.it)

2) Demirörs H, Kaya A, Akpınar S, Tuncay C, Tandoğan RN, Haberal M. Effect of long-term steroid use on prognosis for patients with surgically treated avascular necrosis of the hip. (medicanainternational.com)
If the whole head of the femur is involved, the prognosis is less favorable. (orthoseek.com)

2, 3 The most feared complication of talar injuries is Avascular necrosis. (caringmedical.com)

The capsule is the soft-tissue envelope that con-tains the lubricating and nourishing fluid of the hip joint itself along with the vessels that supply the femoral head. (drpatelchirag.com)

In a total hip replacement, the head of the femur is completely removed and replaced with a ball and stem implant. (oibortho.com)
A two-window approach is most commonly used: reduction and preliminary fixation with reduction forceps through a Smith-Petersen approach and a separate lateral approach for implant insertion . (aofoundation.org)

The talus has several anatomic features that predispose it to avascular necrosis. (caringmedical.com)

The adolescent lateral entry femoral nail (ALFN) is intended for use in adolescents and small stature adults depending on the persons' weight, body size, physiological development, neurological development, and neuromuscular coordination. (aofoundation.org)
The adolescent lateral entry femoral nail is part of the expert nail family, therefore most instrumentation is identical, except for a new insertion handle aiming arm (Fig 3), 13 mm drill sleeve, and 5.0 mm recon screw drill bit. (aofoundation.org)
The adolescent age group with skeletal immaturity deserves special attention from the surgeons because of grave complications like avascular necrosis of the femur head and angular deformities. (ijrsms.com)

For distal locking, two lateral to medial locking screws can be used. (aofoundation.org)

Hip necrosis, also called osteonecrosis or avascular necrosis, is a painful condition in which lack of proper blood flow to the head of the femur results in osteocytes and the bone marrow dying. (mendmyhip.com)
Note: Since this article first appeared in the Journal of Prolotherapy in 2012, new research has continued to support the use of direct Bone Marrow injections in cases of avascular necrosis. (caringmedical.com)
While arthroscopy with or without core decompression is the standard of care for unresolved cases of avascular necrosis of the talus, we present a case of avascular necrosis of the talar dome where symptoms resolved satisfactorily with direct bone marrow injections into structures into and around the ankle. (caringmedical.com)

at a cost of more than $1 billion, THRs performed to treat avascular necrosis of the femoral head constitute approximately 25% of the total national costs for THR. (medscape.com)

As dissection proceeds medially, the short head of the biceps femoris falls inferiorly. (medscape.com)

This procedure is recommended for patients with less severe femoral head damage or those not requiring a total hip replacement. (oibortho.com)

Anatomy3

Diseases2

Chemicals and Drugs1

Phenomena and Processes1

Fracture37

Proximal6

Greater trochanter5

Acetabulum12

Fractures13

Collateral Ligament2

Neck10

Blood supply to the femoral head2

Posterior7

Laterally3

Osteoarthritis3

Arteries4

Dislocation1

Pelvis4

Humerus1

Length discrepancy1

Revascularization1

Knee1

Acetabular5

Quadratus femoris2

Trochanteric1

Ischemia1

Collapse9

Circumflex3

Thigh bone1

Cortex distal1

Humeral head1

Abduction1

Right lateral1

Anteriorly1

Axial2

Ligament1

Idiopathic1

Etiology1

Osteonecrosis of the femoral head2

Sacrum1

Anterior1

Prognosis2

Injuries1

Supply the femoral head1

Implant2

Anatomic1

Adolescent3

Screws1

Bone marrow3

Approximately1

Medially1

Severe femoral head1