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The Primary Physis.

James M Brian1,2, David H Choi2, Michael M Moore1,2

  • 1Department of Radiology and Pediatrics, Penn State College of Medicine, Hershey, Pennsylvania.

Seminars in Musculoskeletal Radiology
|February 7, 2018
PubMed
Summary
This summary is machine-generated.

Radiologists must recognize unique radiologic findings of the primary physis (growth plate) in children and adolescents. Understanding physeal anatomy and histology aids diagnosis of injuries and conditions like Salter-Harris fractures and rickets.

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Area of Science:

  • Pediatric Radiology
  • Skeletal Development
  • Medical Imaging

Background:

  • The primary physis is crucial for longitudinal bone growth in pediatric populations.
  • Pathologic conditions affecting the primary physis can lead to growth disturbances and skeletal deformities.
  • Radiologists play a key role in identifying and diagnosing these conditions.

Purpose of the Study:

  • To review the key radiologic findings associated with common conditions affecting the primary physis in children and adolescents.
  • To emphasize the importance of understanding physeal anatomy and histology for accurate diagnosis.
  • To provide a basis for recognizing and managing physeal injuries and disorders.

Main Methods:

  • Review of relevant literature on pediatric physeal injuries and conditions.
  • Correlation of anatomical and histological features with characteristic imaging findings.
  • Discussion of common conditions including Salter-Harris injuries, physeal bars, and rickets.

Main Results:

  • Specific radiologic presentations are associated with various physeal injuries and metabolic/physiologic stresses.
  • Conditions such as Salter-Harris fractures, physeal bars, growth arrest lines, rickets, and focal physeal edema have distinct imaging characteristics.
  • Accurate interpretation of these findings is essential for appropriate patient management.

Conclusions:

  • A thorough understanding of primary physis anatomy and histology is fundamental for interpreting radiologic findings.
  • Recognition of common physeal conditions aids in timely and effective treatment of pediatric patients.
  • Radiologic diagnosis of primary physeal abnormalities is critical for optimizing growth and development outcomes.