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Evaluating the Effect of Roadside Parking on a Dual-Direction Urban Street

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Park-Harris Lines.

Andrew G Georgiadis¹, Nicholas P Gannon

¹From the Department of Orthopedic Surgery, University of Minnesota, Minneapolis, MN (Georgiadis, and Gannon), and the Department of Orthopaedic Surgery, Gillette Children's Specialty Healthcare, St. Paul, MN (Georgiadis).

The Journal of the American Academy of Orthopaedic Surgeons

|September 22, 2022

Summary

This summary is machine-generated.

Park-Harris lines, visible bone opacities, mark temporary growth interruptions. These lines offer insights into development, health events, and historical living conditions.

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Area of Science:

Skeletal Radiology
Developmental Biology
Paleopathology

Background:

Park-Harris lines are radiographically visible linear opacities near the physis.
They represent temporary interruptions in normal bone ossification, appearing as sclerotic lines.

Approach:

This review discusses the history, pathophysiology, and imaging of Park-Harris lines.
It also explores their clinical utility and anthropological significance.

Key Points:

These lines are associated with various conditions including metabolic, endocrine, infectious, neoplastic, and posttraumatic states, as well as medication responses.
They are valuable for tracking bone development, longitudinal growth, and assessing physeal arrest and treatment.
Their interpretation as pathologic or physiologic, and as "growth arrest" or "growth recovery," remains debated.

Conclusions:

Park-Harris lines serve as important markers of past physiological or pathological events impacting bone growth.
Their study provides insights into individual health trajectories and historical population health and nutrition.