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Notes in 14 Hip

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Published 05/01/2023 Musculoskeletal Imaging: HipThe acetabulum is formed by the fusion of three bones: the {{c1::ilium}} superiorly, the {{c1::pubis}} anteriorly, and {{c…
Published 05/01/2023 Musculoskeletal Imaging: HipThe ilium, pubis, and ischium meet at the {{c1::triradiate}} cartilage to form the acetabulum.
Published 05/01/2023 Musculoskeletal Imaging: HipThe articular surface of the acetabulum is lined by a {{c1::horseshoe}}-shaped thin articular cartilage
Published 05/01/2023 Musculoskeletal Imaging: HipThe center of the acetabulum, called the {{c1::pulvinar}}, {{c2::is not::is/is not?}} covered by cartilage
Published 05/01/2023 Musculoskeletal Imaging: HipThe {{c1::labrum}} forms a fibrocartilaginous ring approximately {{c2::270}} degrees around the periphery of the acetabulu…
Published 05/01/2023 Musculoskeletal Imaging: HipThe labrum blends with the {{c1::transverse ligament}} {{c2::anterior/inferiorly::anatomic directions}}.
Published 05/01/2023 Musculoskeletal Imaging: HipThe {{c3::transverse ligament}} gives off fibers that form the {{c1::ligamentum teres}}, which connects to the femoral hea…
Published 05/01/2023 Musculoskeletal Imaging: Hip{{c1::fovea capitis}}
Published 05/01/2023 Musculoskeletal Imaging: Hip{{c1::basicervical region (base of the neck)}}
Published 05/01/2023 Musculoskeletal Imaging: Hip{{c1::intertrochanteric crest}}
Published 05/01/2023 Musculoskeletal Imaging: Hip{{c1::lesser trochanter, insertion of iliopsoas::Landmark, insertion site of?}}
Published 05/01/2023 Musculoskeletal Imaging: Hip{{c1::anterior inferior iliac spine, rectus femoris::Landmark, origin of?}}
Published 05/01/2023 Musculoskeletal Imaging: HipArticular cartilage covers most of the femoral head except at the {{c1::fovea capitis (central fovea)}}
Published 05/01/2023 Musculoskeletal Imaging: HipThe {{c1::trochanters (greater and lesser)}} of the femur are apophyses
Published 05/01/2023 Musculoskeletal Imaging: HipThe {{c1::greater trochanter}} is the insertion site for the {{c2::gluteus medius}} and {{c2::gluteus minimus}}
Published 05/01/2023 Musculoskeletal Imaging: HipThe {{c1::iliopsoas}} inserts on the {{c2::lesser trochanter}}
Published 05/01/2023 Musculoskeletal Imaging: HipThe {{c1::iliopectineal line (iliopubic line)}} represents the border of the {{c2::anterior column}} of the acetabulum
Published 05/01/2023 Musculoskeletal Imaging: HipThe {{c1::ilioischial line}} represents the border of the {{c2::posterior column}} of the acetabulum.
Published 05/01/2023 Musculoskeletal Imaging: HipThe anterior and posterior {{c1::walls}} of the acetabulum project over the {{c2::femoral head}}
Published 05/01/2023 Musculoskeletal Imaging: HipThe {{c1::posterior}} wall of the acetabulum is more {{c2::lateral::lateral/medial?}} 
Published 05/01/2023 Musculoskeletal Imaging: Hip{{c1::tensor fascia lata}}
Published 05/01/2023 Musculoskeletal Imaging: Hip{{c1::gluteus minimus}}
Published 05/01/2023 Musculoskeletal Imaging: Hip{{c1::gluteus medius}}
Published 05/01/2023 Musculoskeletal Imaging: Hip{{c1::Iliotibial band}}
Published 05/01/2023 Musculoskeletal Imaging: Hip{{c1::greater trochanter}}
Published 05/01/2023 Musculoskeletal Imaging: Hip{{c1::superior gemellus}}
Published 05/01/2023 Musculoskeletal Imaging: Hip{{c1::sciatic nerve}}
Published 05/01/2023 Musculoskeletal Imaging: Hip{{c1::gluteus maximus}}
Published 05/01/2023 Musculoskeletal Imaging: Hip{{c1::common femoral vasculature}}
Published 05/01/2023 Musculoskeletal Imaging: Hip{{c1::pectineus}}
Published 05/01/2023 Musculoskeletal Imaging: Hip{{c1::ligamentum teres}}
Published 05/01/2023 Musculoskeletal Imaging: Hip{{c1::obturator internus}}
Published 05/01/2023 Musculoskeletal Imaging: Hip{{c1::obturator vessels}}
Published 05/01/2023 Musculoskeletal Imaging: Hip{{c1::ischial spine}}
Published 05/01/2023 Musculoskeletal Imaging: Hip{{c1::sacrospinous ligament}}
Published 05/01/2023 Musculoskeletal Imaging: Hip{{c1::inferior gluteal artery and vein}}
Published 05/01/2023 Musculoskeletal Imaging: HipDiscontinuity of either the {{c1::iliopectinal}} line or {{c3::ilioischial}} line may represent a fracture of the {{c2::an…
Published 05/01/2023 Musculoskeletal Imaging: HipThe most widely used classification scheme for {{c2::acetabular}} fractures is the {{c1::Judet-Letournel}} classification,…
Published 05/01/2023 Musculoskeletal Imaging: HipThe Judet-Letournel classification describes 5 elementary patterns:Fractures of the - {{c1::Posterior wall}}- {{c2::Poster…
Published 05/01/2023 Musculoskeletal Imaging: HipThe {{c1::posterior wall::anterior/posterior? wall/column?}} of the acetabulum is the most commonly fractured element, alo…
Published 05/01/2023 Musculoskeletal Imaging: HipA "hip fracture" generally refers to a fracture of the {{c1::proximal femur}}
Published 05/01/2023 Musculoskeletal Imaging: Hip{{c1::Head}}
Published 05/01/2023 Musculoskeletal Imaging: Hip{{c1::Neck}}
Published 05/01/2023 Musculoskeletal Imaging: Hip{{c1::Basicervical}}
Published 05/01/2023 Musculoskeletal Imaging: Hip{{c1::Greater trochanter}}
Published 05/01/2023 Musculoskeletal Imaging: Hip{{c1::Intertrochanteric}}
Published 05/01/2023 Musculoskeletal Imaging: Hip{{c1::Subtrochanteric}}
Published 05/01/2023 Musculoskeletal Imaging: HipThe blood supply to the femoral {{c1::head}} is predominantly supplied by the {{c2::medial femoral circumflex}} artery, wh…
Published 05/01/2023 Musculoskeletal Imaging: HipThe medial femoral circumflex artery courses along the {{c1::femoral neck}}
Published 05/01/2023 Musculoskeletal Imaging: HipIf the {{c3::extra-osseous}} branches of the {{c1::medial femoral circumflex}} artery are injured in trauma there is an in…
Published 05/01/2023 Musculoskeletal Imaging: HipThe femoral {{c3::head}} and most of the {{c3::neck}} (excluding the {{c1::basicervical}} region) are {{c2::intra}}capsula…
Published 05/01/2023 Musculoskeletal Imaging: Hip{{c1::Intra::intra/extra?}}capsular femur fractures are {{c2::more::less/more?}} vulnerable to avasular necrosis
Published 05/01/2023 Musculoskeletal Imaging: HipThe {{c1::basicervical, intertrochanteric, subtrochanteric::3}} regions of the femur are all extra-capsular
Published 05/01/2023 Musculoskeletal Imaging: HipCase: Frontal radiograph of pelvis and axial CT of hip as indicatedYellow arrow: {{c4::Internal}} rotation of the fem…
Published 05/01/2023 Musculoskeletal Imaging: HipThe vast majority (~90%) of hip fractures are due to high-energy trauma with {{c1::posterior}} displacement of the femur, …
Published 05/01/2023 Musculoskeletal Imaging: HipIn hip fractures, the femur is typically positioned in {{c1::internal}} rotation and {{c1::flexion::flexion/extension}}
Published 05/01/2023 Musculoskeletal Imaging: HipThe posteriorly dislocated femoral head may appear {{c1::smaller::smaller/bigger?}} than the normal side due to AP view an…
Published 05/01/2023 Musculoskeletal Imaging: HipFemoral head fractures are most commonly associated with {{c1::posterior}} hip dislocations or {{c2::gunshot}} wounds
Published 05/01/2023 Musculoskeletal Imaging: HipProximal femur fractures can be divided in to 4 sites:INTRACAPSULAR- {{c1::Femoral neck}} EXTRACAPSULAR- {{c2::Basice…
Published 05/01/2023 Musculoskeletal Imaging: HipFemoral neck fractures can be {{c1::nondisplaced}} (aka {{c2::valgus}} impaction) or {{c1::displaced}} (aka {{c2::varus}})
Published 05/01/2023 Musculoskeletal Imaging: Hip{{c1::Intertrochanteric}} fractures of the femur can be {{c2::stable}} (single fracture line) or {{c2::unstable}}
Published 05/01/2023 Musculoskeletal Imaging: HipThe initial evaluation of hip trauma should begin with {{c1::radiographs}}
Published 05/01/2023 Musculoskeletal Imaging: HipThe initial imaging of hip trauma includes a {{c2::fronal}} view of the pelvis and a {{c1::cross-table lateral}} radiograp…
Published 05/01/2023 Musculoskeletal Imaging: Hip{{c2::Frog-leg}} lateral radiographs should generally not be performed for trauma, as there is potential to cause {{c…
Published 05/01/2023 Musculoskeletal Imaging: HipIf a hip fracture is clearly identified on radiography and able to be {{c2::classified}}, there {{c1::is no::is/is no…
Published 05/01/2023 Musculoskeletal Imaging: HipAn {{c1::occult}} hip fracture is a fracture that is not evident on radiographs
Published 05/01/2023 Musculoskeletal Imaging: HipOccult fractures may be present in up to {{c1::10}}% of apparently negative radiographs performed for trauma
Published 05/01/2023 Musculoskeletal Imaging: HipFurther imaging with {{c1::CT or MRI}} should be performed if there is persistent concern for fracture with negative radio…
Published 05/01/2023 Musculoskeletal Imaging: HipCase: Trauma, studies indicated as belowYellow arrow: {{c2::Non-}}displaced, {{c1::intertrochanteric::location}} frac…
Published 05/01/2023 Musculoskeletal Imaging: Hip{{c1::MRI}} is the gold standard to diagnose occult hip fracture, with a sensitivity of nearly {{c2::100}}%
Published 05/01/2023 Musculoskeletal Imaging: HipCase: Trauma, studies indicated as belowYellow arrows: {{c1::Non-}}displaced {{c2::femoral neck::location}} frac…
Published 05/01/2023 Musculoskeletal Imaging: Hip{{c1::CT}} is an alternative to {{c1::MRI::gold standard}} for occult fracture of hip as it is cheaper, faster, more readi…
Published 05/01/2023 Musculoskeletal Imaging: Hip{{c1::Dual energy}} CT shows promise as an emerging modality to improve the {{c2::sensitivity}} of CT for occult hip fract…
Published 05/01/2023 Musculoskeletal Imaging: HipCase: Frontal radiograph R hipYellow arrows: Fracture of {{c1::femoral neck}} with the distal part of the femur …
Published 05/01/2023 Musculoskeletal Imaging: HipCase: Frontal radiograph L hipYellow arrows: {{c1::Femoral neck}} fracture with the distal part of the femur dir…
Published 05/01/2023 Musculoskeletal Imaging: HipFemoral neck fractures are typically seen in the {{c1::elderly::population}} after {{c2::low}}-energy trauma
Published 05/01/2023 Musculoskeletal Imaging: HipFemoral neck fractures are {{c1::intra::intra/extra}}capsular, and therefore at risk to develop {{c2::avascular necrosis::…
Published 05/01/2023 Musculoskeletal Imaging: HipThe orthopedic classifications of femoral neck fractures include {{c1::Garden}} and {{c1::Pauwel}}
Published 05/01/2023 Musculoskeletal Imaging: HipThe specific site of the femoral neck (such as subcapital or transcervical) {{c1::should not::should/should not}} be menti…
Published 05/01/2023 Musculoskeletal Imaging: HipFemoral neck fractures can be {{c1::nondisplaced::displaced/non-displaced}} ({{c2::valgus}} impacted) or {{c1::displa…
Published 05/01/2023 Musculoskeletal Imaging: Hip{{c2::Nondisplaced}} ({{c2::valgus}} impacted) femoral neck fractures can be treated with {{c1::ORIF}}
Published 05/01/2023 Musculoskeletal Imaging: Hip{{c1::Displaced}} ({{c1::varus}} impacted) femoral neck fractures are typically treated with {{c2::arthoplasty}} (ambulato…
Published 05/01/2023 Musculoskeletal Imaging: HipAlthough femoral neck fractures are uncommon in younger patients, {{c1::ORIF}} is the preferred treatment for femoral neck…
Published 05/01/2023 Musculoskeletal Imaging: Hip{{c2::Basicervical}} fractures are a relatively uncommon type of femoral neck fracture that occurs {{c1::just distal}}&nbs…
Published 05/01/2023 Musculoskeletal Imaging: HipBasicervical fractures of the femur are {{c1::extra::intra/extra}}capsular
Published 05/01/2023 Musculoskeletal Imaging: HipBasicervical fractures of the femur have a {{c1::lower::higher/lower}} risk of avascular necrosis
Published 05/01/2023 Musculoskeletal Imaging: HipBasicervical fractures can be treated with {{c1::ORIF}}, regardless of if displaced or nondisplaced
Published 05/01/2023 Musculoskeletal Imaging: HipCase: Frontal radiograph (L), s/p intervention (R)Yellow arrows: Fracture just {{c2::proximal}} to the intertroc…
Published 05/01/2023 Musculoskeletal Imaging: Hip{{c1::Greater trochanter}} fractures of the femur can be thought of as "tip of the iceberg" fracture, as the true extent o…
Published 05/01/2023 Musculoskeletal Imaging: HipThe majority of a greater trochanteric fracture is likely to be {{c1::intertrochanteric::location}}
Published 05/01/2023 Musculoskeletal Imaging: HipCase: Trauma, studies indicated as belowYellow arrow: Tiny fracture of the {{c1::greater trochanter }}Red a…
Published 05/01/2023 Musculoskeletal Imaging: HipGreater trochanteric fractures are typically treated with {{c2::ORIF}} (same as a stable {{c1::intertrochanteric}} fractur…
Published 05/01/2023 Musculoskeletal Imaging: HipCase: Frontal radiograph L hipDiagnosis: {{c2::Stable}} {{c1::intertrochanteric}} fractureTreatment: {{c3::…
Published 05/01/2023 Musculoskeletal Imaging: HipCase: Frontal radiograph of L hipDiagnosis: {{c1::Unstable}} {{c2::intertrochanteric}} fractureTreatment: {…
Published 05/01/2023 Musculoskeletal Imaging: HipA {{c1::stable}} intertrochanteric fracture is defined as a simple, {{c2::two}}-part fracture without {{c3::comminution}} …
Published 05/01/2023 Musculoskeletal Imaging: HipA {{c1::unstable}} intertrochanteric fracture is {{c2::comminuted}} or involves the {{c3::lateral femoral cortex}}
Published 05/01/2023 Musculoskeletal Imaging: Hip{{c2::Stable}} intertrochanteric fractures can be treated wtih {{c1::dynamic hip screw}}
Published 05/01/2023 Musculoskeletal Imaging: Hip{{c2::Unstable}} intertrochanteric fractures are treated with {{c1::intramedullary nail}}
Published 05/01/2023 Musculoskeletal Imaging: HipA fracture isolated to the {{c1::lesser trochanter}} of the femur in an adult should be considered {{c2::pathologic}} unti…
Published 05/01/2023 Musculoskeletal Imaging: HipA lesser trochanteric fracture in an adolescent may not necessarily be considered pathologic due to a propensity…
Published 05/01/2023 Musculoskeletal Imaging: HipThe strong {{c1::iliopsoas}} muscle has a propensity to avulse the {{c2::lesser trochanter}} in adolescents
Published 05/01/2023 Musculoskeletal Imaging: HipCase: Frontal radiograph (L), CT (R)Yellow arrow: Mildly displaced fracture of the {{c1::lesser trochanter}}Red …
Published 05/01/2023 Musculoskeletal Imaging: HipA {{c1::subtrochanteric}} fracture is a proximal {{c4::diaphyseal}} fracture involving the {{c1::subtrochanteric}} re…
Published 05/01/2023 Musculoskeletal Imaging: HipTreatment of subtrochanteric fracture is {{c1::intramedullary nail}}
Published 05/01/2023 Musculoskeletal Imaging: HipFemoral neck stress fractures are typically seen in {{c1::highly active/athletic}} patients
Published 05/01/2023 Musculoskeletal Imaging: HipThe female athlete triad is restrictive/disordered eating, menstrual dysfunction, and low {{c2::bone density}} predisposin…
Published 05/01/2023 Musculoskeletal Imaging: HipCase: Coronal STIR MRI (L,R)Yellow arrow, L image: {{c1::Edema}} of the {{c2::medial}} aspect of femoral neck wi…
Published 05/01/2023 Musculoskeletal Imaging: HipStress fractures of the {{c1::medial}} femoral cortex are under {{c3::compressive}} forces and tend to heal with {{c2…
Published 05/01/2023 Musculoskeletal Imaging: HipStress fractures of the {{c1::lateral}} femoral cortex are under {{c2::tensile}} forces and must be treated more aggr…
Published 05/01/2023 Musculoskeletal Imaging: HipMR Imaging of femoral cortical stress fractures initially shows {{c1::edema}}, with discrete {{c2::fracture line…
Published 05/01/2023 Musculoskeletal Imaging: HipCase: Frontal radiographYellow arrow: Focal cortical {{c2::thickening}} of the lateral subtrochanteric cortexIma…
Published 05/01/2023 Musculoskeletal Imaging: HipCase: Frontal radiographYellow arrows: Lateral cortical {{c2::thickening}}Red arrow: Medial {{c3::spike}}, along…
Published 05/01/2023 Musculoskeletal Imaging: HipAtypical femoral fractures are a form of insufficiency fracture that occur in the {{c3::proximal::proximal/distal?}} {{c1:…
Published 05/01/2023 Musculoskeletal Imaging: HipAtypical fractures are caused by insufficient {{c1::osteoclastic}}-induced remodeling, resulting in {{c2::brittle}} bone
Published 05/01/2023 Musculoskeletal Imaging: HipAtypical femoral fractures are most known to occur in patients taking {{c1::bisphosphonates::medication}}
Published 05/01/2023 Musculoskeletal Imaging: HipA medication that may contribute to atypical femoral fractures by inhibiting osteoclast maturation, is {{c1::denosumab}}
Published 05/01/2023 Musculoskeletal Imaging: HipBisphosphonates may contribute to atypical femoral fractures by inhibiting function of {{c1::osteoclasts}}
Published 05/01/2023 Musculoskeletal Imaging: HipMajor features (at least {{c1::4}} out of 5) that must be present to diagnose atypical femoral fracture:1. No more than {{…
Published 05/01/2023 Musculoskeletal Imaging: HipWhen an atypical femoral fracture is identified, radiographs of the {{c1::contralateral femur}} should be performed
Published 05/01/2023 Musculoskeletal Imaging: HipThe treatment of atypical femoral fracture for a patient on bisophosphonate or denosumab is {{c1::cessation of the medicat…
Published 05/01/2023 Musculoskeletal Imaging: HipTreatment of atypical femoral fracture may include {{c1::intramedullary nailing}} if the patient has pain
Published 05/01/2023 Musculoskeletal Imaging: HipCase: Frontal radiograph pelvisYellow arrows: Patchy {{c2::subchondral}} {{c1::sclerosis}} of both femoral heads…
Published 05/01/2023 Musculoskeletal Imaging: HipCase: Coronal T1-weighted MRI pelvisYellow arrows: Serpiginous regions of signal {{c1::abnormality}} involving t…
Published 05/01/2023 Musculoskeletal Imaging: Hip{{c1::Avascular necrosis (AVN)}} of the femur is a focal {{c2::ischemia}} of the {{c3::epiphyseal}} region or {{c4::subcho…
Published 05/01/2023 Musculoskeletal Imaging: Hip{{c2::Avascular necrosis (AVN)}} of the femur leads to {{c1::trabecular::pattern}} necrosis, which increases susceptibilit…
Published 05/01/2023 Musucloskeletal Imaging: Hip{{c2::Osteonecrosis}} indicates necrosis of bone and {{c1::marrow elements}}
Published 05/01/2023 Musculoskeletal Imaging: HipThe femoral {{c2::head}} is especially susceptible to avascular necrosis because of {{c1::precarious}} blood supply
Published 05/01/2023 Musculoskeletal Imaging: HipThe blood supply to the femoral head is primarly through the {{c1::medial femoral circumflex}} artery
Published 05/01/2023 Musculoskeletal Imaging: HipThe medial femoral circumflex artery enters the femoral neck and gives off {{c1::posterosuperior::antero/postero inferior/…
Published 05/01/2023 Musculoskeletal Imaging: HipIntracapsular proximal femur fractures have a high risk of avascular necrosis, including {{c2::femoral neck fractures::mec…
Published 05/01/2023 Musculoskeletal Imaging: HipNon-traumatic causes of avascular necrosis are usually systemic, including {{c1::red-cell}} abnormalities (e.g. sickl…
Published 05/01/2023 Musculoskeletal Imaging: HipBilateral avascular necrosis suggests a {{c1::systemic}} cause
Published 05/01/2023 Musculoskeletal Imaging: HipAvascular necrosis of the femoral head associated with {{c2::small calcified::2 descriptors}} spleen is a clue to {{c1::si…
Published 05/01/2023 Musculoskeletal Imaging: HipAvascular necrosis of the femoral head in the context of {{c2::splenomegaly}} is suggestive of {{c1::Gaucher disease}}
Published 05/01/2023 Musculoskeletal Imaging: HipEarly avascular necrosis can be treated with {{c1::medication/lifestyle}} changes and/or {{c2::core decompression}} 
Published 05/01/2023 Musculoskeletal Imaging: HipCore decompression, an intervention for early avascular necrosis of the femoral head, involves drilling of the {{c2::subch…
Published 05/01/2023 Musculoskeletal Imaging: HipIf avascular necrosis of the femoral head has led to subchondral collapse or secondary osteoarthritis, treatment gene…
Published 05/01/2023 Musculoskeletal Imaging: HipThree imaging findings to describe avascular necrosis (AVN) of the femoral head:- Relative {{c1::size}} of avascular necro…
Published 05/01/2023 Musculoskeletal Imaging: HipThe most common appearance of avascular necrosis on MRI is a geographic {{c1::subchondral::where}} lesion outlined by a {{…
Published 05/01/2023 Musculoskeletal Imaging: HipThe {{c1::subchondral::where?}} {{c3::anterior::anterior/posterior?}}-{{c3::superior::superior/inferior?}} portions of the…
Published 05/01/2023 Musculoskeletal Imaging: HipThe "{{c2::double line}} sign," pathognomonic for avascular necrosis, of the femoral head is seen on {{c1::T2}}-weigh…
Published 05/01/2023 Musculoskeletal Imaging: HipThe "double line sign," pathognomonic for avascular necrosis, refers to a peripheral {{c1::low::low/high?}}-intensity&nbsp…
Published 05/01/2023 Musculoskeletal Imaging: HipBone marrow {{c1::edema}} is present in 50% of cases of avascular necrosis and clinically correlates with {{c2::…
Published 05/01/2023 Musculoskeletal Imaging: HipTransient {{c1::bone marrow edema}} of the hip, a.k.a. "transient {{c2::osteoporosis}} of the hip" is a diagnosis of exclu…
Published 05/01/2023 Musculoskeletal Imaging: HipTransient bone marrow {{c2::edema}} of the hip may reflect a combination of disorders including sympathetic nervous s…
Published 05/01/2023 Musculoskeletal Imaging: HipTransient bone marrow edema is a self-limited clinical entity lasting {{c1::a few months::duration}}
Published 05/01/2023 Musculoskeletal Imaging: HipTransient bone marrow {{c1::edema}} of the hip is characterized by {{c3::severe hip pain::clinical finding}} in …
Published 05/01/2023 Musculoskeletal Imaging: HipRadiographs of transient bone marrow edema show regional {{c2::osteopenia}} in the femoral head {{c1::without an…
Published 05/01/2023 Musculoskeletal Imaging: HipMRI of transient bone marrow edema shows {{c1::edema}} throughout the femoral head
Published 05/01/2023 Musculoskeletal Imaging: HipDifferentials of subchondral hypointense line on T1-weighted images1. {{c1::ztransient bone marrow edema::diagnosis of exc…
Published 05/01/2023 Musculoskeletal Imaging: Hip{{c2::Femoracetabular impingement (FAI)}} is abnormal {{c3::abutment}} of the femur with the {{c1::acetabulum}} at extreme…
Published 05/01/2023 Musculoskeletal Imaging: HipTwo types of femoroacetabular impingement have been described:- Abnormal {{c2::femoral head/neck junction}} ({{c1::cam}}-t…
Published 05/01/2023 Musculoskeletal Imaging: HipChronic microtrauma of the femoral head abutting against the acetabulum in {{c1::femoroacetabular impingement}} may c…
Published 05/01/2023 Musculoskeletal Imaging: Hip{{c1::Young athletic}} individuals may be prone to chronic microtrauma with femoroacetabular impingement resulting in incr…
Published 05/01/2023 Musculoskeletal Imaging: HipFemoroacetabular impingement is primarily a clinical diagnosis and there is a significant subset of patients with abnormal…
Published 05/01/2023 Musculoskeletal Imaging: HipLabral injury secondary to femoroacetabular injury (at {{c2::antero::anterior/posterior}}-{{c2::superior::superior/in…
Published 05/01/2023 Musculoskeletal Imaging: HipFemoroacetabular Impingement (FAI)Top right: {{c1::cam}}-type FAIBottom left: {{c2::pincer}}-type FAIBottom right: {{c3::m…
Published 05/01/2023 Musculoskeletal Imaging: Hip{{c1::Cam}}-type femoroacetabular impingement is characterized by an osseous {{c2::convexity::shape}} of the femoral {{c3:…
Published 05/01/2023 Musculoskeletal Imaging: HipThe {{c1::alpha}} angle of the femur defines the degree of {{c2::femoral bump}} in the setting of cam-type femoroacet…
Published 05/01/2023 Musculoskeletal Imaging: HipAn alpha angle of >{{c1::55}} degrees is said to be abnormal, especially if symptoms of {{c2::hip impingement}} are pre…
Published 05/01/2023 Musculoskeletal Imaging: HipCase: Frontal radiograph R hipYellow arrow: Osseous {{c1::convexity}} at the femoral head/neck junctionDiagnosis…
Published 05/01/2023 Musculoskeletal Imaging: HipTo measure alpha angle of the femoral head, must be measured on {{c3::oblique axial::slice}} {{c4::MRI}} or {{c4::CT}}:- D…
Published 05/01/2023 Musculoskeletal Imaging: HipCase: Post-arthrogram axial-oblique T1-weighted MRI with fat suppressionRed arrow: Osseous {{c1::convexity}} at …
Published 05/01/2023 Musculoskeletal Imaging: HipCam-type impingement is treated with {{c1::femoroplasty}}
Published 05/01/2023 Musculoskeletal Imaging: Hip{{c3::Pincer}}-type femoroacetabular impingement is caused by {{c1::overcoverage}} of the {{c2::acetabulum}}
Published 05/01/2023 Musculoskeletal Imaging: Hip{{c1::Cam}}-type femoroacetabular impingement (FAI) is more common in {{c2::young athletic males::demographic}} while {{c1…
Published 05/01/2023 Musculoskeletal Imaging: HipMost cases of femoroacetabular impingement (FAI) are due to which type of FAI?{{c1::Both pincer and CAM (mixed) type}}
Published 05/01/2023 Musculoskeletal Imaging: HipThe {{c1::crossover}} sign is seen in {{c2::pincer}}-type femoroacetabular impingement and represents the {{c3::antero-sup…
Published 05/01/2023 Musculoskeletal Imaging: HipTreatment of {{c1::pincer}}-type femoroacetabular impingement is {{c2::surgical trimming of the acetabular rim}}
Published 05/01/2023 Musculoskeletal Imaging: HipCase: Frontal radiograph of L hipYellow arrow: Anterior {{c1::overcoverage}} with a crossover sign ({{c2::anteri…
Published 05/01/2023 Musculoskeletal Imaging: HipLabral tears, most commonly seen with femoroacetabular impingement, typically are at the {{c1::anterior::anterior/pos…
Published 05/01/2023 Musculoskeletal Imaging: HipThe {{c1::transverse ligament}} of the hip is located at the {{c2::inferior}} aspect of the ring comprising the labrum
Published 05/01/2023 Musculoskeletal Imaging: Hip{{c1::MR arthrography}} is the most sensitive imaging modality to diagnose acetabular labral tears
Published 05/01/2023 Musculoskeletal Imaging: HipThere are two types of labral tears: a tear at the {{c1::chondrolabral}} junction, and a tear within {{c2::the substance o…
Published 05/01/2023 Musculoskeletal Imaging: HipSecondary findings of labral tearing include {{c1::paralabral cyst}} formation, {{c2::chondral}} injury, and subchondral {…
Published 05/01/2023 Musculoskeletal Imaging: HipA mimic of labral tears is a {{c2::sublabral sulcus}}: Incomplete attachment of {{c1::labrum}} to {{c1::acetabulum}}
Published 05/01/2023 Musculoskeletal Imaging: HipCase: Sagittal (L) and axial (R) MR arthrogramYellow arrows: Markedly {{c1::diminutive}} and irregular {{c2::ant…
Published 05/01/2023 Musculoskeletal Imaging: HipCase: Sagittal (L) and axial (R) MR arthrogramYellow arrows: Contrast interposed between the {{c1::entire}} widt…
Published 05/01/2023 Musculoskeletal Imaging: HipIn contrast to labral tears, in sublabral sulcus:- Injected contrast {{c1::does not::does/does not?}} extend entire w…
Published 05/01/2023 Musculoskeletal Imaging: HipPediatric radiographs of the hip show {{c1::separation}} of the three elements of the acetabulum, meeting at the {{c2::tri…
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Published 05/01/2023 Musculoskeletal Imaging: HipWhere on the acetabulum is there NO labrum?{{c1::Anterior}}/{{c1::inferior}} aspect, where the {{c2::transverse ligament}}…
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Published 05/01/2023 3dde36f65ee04ec9b9f9e94c49d3419e-ao-6
Published 05/01/2023 Musculoskeletal Imaging: HipThe central fovea/fovea capitis is a central {{c2::depression}} in the femoral heal articular cartilage and attachment sit…
Published 05/01/2023 caa33a4f9cb54b6b9ca2107c0d23e9f3-ao-1
Published 05/01/2023 caa33a4f9cb54b6b9ca2107c0d23e9f3-ao-2
Published 05/01/2023 caa33a4f9cb54b6b9ca2107c0d23e9f3-ao-3
Published 05/01/2023 Musculoskeletal Imaging: HipThe Judet-Letournel classification types: - {{c1::Are NOT::are/are not?}} related to fracture complexity or…
Published 05/01/2023 e6ecf46ec5214e22b8c8ffcf613196df-ao-1
Published 05/01/2023 e6ecf46ec5214e22b8c8ffcf613196df-ao-2
Published 05/01/2023 Musculoskeletal Imaging: HipIn majority of hip fractures, the femur is internally rotated, which causes decreased conspicuity of the {{c1::lesser troc…
Published 05/01/2023 5f5a4af916394751b77d6aac785cef63-ao-1
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