Anterior knee-pain syndrome

Area of Science:

• Orthopedics
• Sports Medicine
• Rheumatology

Background:

• Anterior knee pain is a common complaint, particularly in adolescents.
• The term anterior knee-pain syndrome (AKPS) is often used, but its precise definition and diagnostic criteria require clarification.
• Distinguishing between symptomatic and asymptomatic patellofemoral findings is crucial.

Purpose of the Study:

• To define anterior knee-pain syndrome (AKPS) as an exclusion diagnosis.
• To differentiate AKPS from general anterior knee pain.
• To emphasize the importance of ruling out macroscopic pathology before diagnosing AKPS.

Main Methods:

• Literature review and clinical reasoning.
• Analysis of diagnostic criteria for anterior knee pain.
• Emphasis on the exclusion of gross pathology.

Main Results:

• Anterior knee-pain syndrome is characterized by insidious onset, bilateral presentation, and pain around the patellofemoral joint.
• Neither cartilage damage nor malalignment necessarily correlates with pain.
• A significant proportion of adolescents with anterior knee pain may not have a clear-cut pathology.

Conclusions:

• Anterior knee-pain syndrome should be considered an exclusion diagnosis, applied only after macroscopic pathology has been ruled out.
• The term "anterior knee pain" necessitates further investigation for specific causes.
• Physicians should exercise caution when diagnosing AKPS unilaterally, especially in adolescents.