Klein's line: Difference between revisions
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{{Infobox medical condition | |||
| name = Klein's line | |||
| image = [[File:SCFE_FROG_B%26W.jpg|250px]] | |||
| caption = X-ray showing Klein's line in a case of [[slipped capital femoral epiphysis]] | |||
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| specialty = [[Orthopedic surgery]] | |||
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| diagnosis = [[Radiography]] | |||
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'''Klein's line''' is an anatomical reference line used in the diagnosis of [[slipped capital femoral epiphysis]] (SCFE), a condition that affects the [[hip joint]] in adolescents. This line is a crucial tool in the field of [[orthopedics]] for identifying abnormalities in the alignment of the [[femur]] and the [[pelvis]]. | '''Klein's line''' is an anatomical reference line used in the diagnosis of [[slipped capital femoral epiphysis]] (SCFE), a condition that affects the [[hip joint]] in adolescents. This line is a crucial tool in the field of [[orthopedics]] for identifying abnormalities in the alignment of the [[femur]] and the [[pelvis]]. | ||
==Anatomy and Definition== | ==Anatomy and Definition== | ||
Klein's line is drawn on an [[anteroposterior]] (AP) [[radiograph]] of the [[hip]]. It is a straight line that runs along the superior edge of the [[femoral neck]]. In a normal hip, Klein's line should intersect the [[epiphysis]] of the [[femoral head]]. If the line does not intersect the epiphysis, it may indicate a slipped capital femoral epiphysis. | Klein's line is drawn on an [[anteroposterior]] (AP) [[radiograph]] of the [[hip]]. It is a straight line that runs along the superior edge of the [[femoral neck]]. In a normal hip, Klein's line should intersect the [[epiphysis]] of the [[femoral head]]. If the line does not intersect the epiphysis, it may indicate a slipped capital femoral epiphysis. | ||
==Clinical Significance== | ==Clinical Significance== | ||
The use of Klein's line is particularly important in the early detection of SCFE, a condition where the femoral head slips off the neck at the [[growth plate]]. This condition is most common in adolescents and can lead to significant [[hip pain]] and [[limping]]. Early detection and treatment are crucial to prevent long-term complications such as [[osteoarthritis]] and [[avascular necrosis]]. | The use of Klein's line is particularly important in the early detection of SCFE, a condition where the femoral head slips off the neck at the [[growth plate]]. This condition is most common in adolescents and can lead to significant [[hip pain]] and [[limping]]. Early detection and treatment are crucial to prevent long-term complications such as [[osteoarthritis]] and [[avascular necrosis]]. | ||
==Diagnosis of SCFE== | ==Diagnosis of SCFE== | ||
In the diagnosis of SCFE, Klein's line is used in conjunction with other radiographic signs, such as the [[Trethowan's sign]] and the [[Southwick angle]]. The presence of a positive Klein's line, where the line does not intersect the epiphysis, is a strong indicator of SCFE. This finding should prompt further investigation and potential surgical intervention. | In the diagnosis of SCFE, Klein's line is used in conjunction with other radiographic signs, such as the [[Trethowan's sign]] and the [[Southwick angle]]. The presence of a positive Klein's line, where the line does not intersect the epiphysis, is a strong indicator of SCFE. This finding should prompt further investigation and potential surgical intervention. | ||
==Treatment== | ==Treatment== | ||
The treatment of SCFE often involves surgical fixation to prevent further slippage and to stabilize the growth plate. The use of [[screw fixation]] is a common method to achieve this stabilization. Early intervention is key to preventing complications and ensuring proper hip function. | The treatment of SCFE often involves surgical fixation to prevent further slippage and to stabilize the growth plate. The use of [[screw fixation]] is a common method to achieve this stabilization. Early intervention is key to preventing complications and ensuring proper hip function. | ||
==See also== | |||
== | |||
* [[Slipped capital femoral epiphysis]] | * [[Slipped capital femoral epiphysis]] | ||
* [[Orthopedics]] | * [[Orthopedics]] | ||
* [[Femur]] | * [[Femur]] | ||
* [[Hip joint]] | * [[Hip joint]] | ||
[[Category:Orthopedics]] | [[Category:Orthopedics]] | ||
[[Category:Radiology]] | [[Category:Radiology]] | ||
[[Category:Anatomy]] | [[Category:Anatomy]] | ||
Latest revision as of 03:57, 6 April 2025
Editor-In-Chief: Prab R Tumpati, MD
Obesity, Sleep & Internal medicine
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| Klein's line | |
|---|---|
| |
| Synonyms | |
| Pronounce | |
| Specialty | Orthopedic surgery |
| Symptoms | |
| Complications | |
| Onset | |
| Duration | |
| Types | |
| Causes | |
| Risks | |
| Diagnosis | Radiography |
| Differential diagnosis | |
| Prevention | |
| Treatment | |
| Medication | |
| Prognosis | |
| Frequency | |
| Deaths | |
Klein's line is an anatomical reference line used in the diagnosis of slipped capital femoral epiphysis (SCFE), a condition that affects the hip joint in adolescents. This line is a crucial tool in the field of orthopedics for identifying abnormalities in the alignment of the femur and the pelvis.
Anatomy and Definition[edit]
Klein's line is drawn on an anteroposterior (AP) radiograph of the hip. It is a straight line that runs along the superior edge of the femoral neck. In a normal hip, Klein's line should intersect the epiphysis of the femoral head. If the line does not intersect the epiphysis, it may indicate a slipped capital femoral epiphysis.
Clinical Significance[edit]
The use of Klein's line is particularly important in the early detection of SCFE, a condition where the femoral head slips off the neck at the growth plate. This condition is most common in adolescents and can lead to significant hip pain and limping. Early detection and treatment are crucial to prevent long-term complications such as osteoarthritis and avascular necrosis.
Diagnosis of SCFE[edit]
In the diagnosis of SCFE, Klein's line is used in conjunction with other radiographic signs, such as the Trethowan's sign and the Southwick angle. The presence of a positive Klein's line, where the line does not intersect the epiphysis, is a strong indicator of SCFE. This finding should prompt further investigation and potential surgical intervention.
Treatment[edit]
The treatment of SCFE often involves surgical fixation to prevent further slippage and to stabilize the growth plate. The use of screw fixation is a common method to achieve this stabilization. Early intervention is key to preventing complications and ensuring proper hip function.
