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Background <p>Chondromalacia patella (CP) is characterized by chondral damage of the patella and frequently presents with anterior knee pain.</p> Objective <p>The study aims to determine the prevalence and severity of CP on knee MRI among adult patients. In addition, it evaluate patellofemoral morphological and tracking parameters and investigate their association with CP.</p> Materials and Methods <p>An institution-based retrospective cross-sectional study was conducted, in which 333 knee MRI examinations were systematically sampled and reviewed. Each MRI was assessed for the presence and grading of CP, along with standard measurements of patellar and trochlear morphology and tracking parameters. Intra and inter-observer reliability were assessed.</p> Results <p>CP was identified in 189 cases (56.8%). Both intra-observer and inter-observer reliability demonstrated strong agreement. CP showed a significant correlation with both sex and age. Among the patellofemoral morphological parameters assessed, only patellar height index and patellar tilt demonstrated significant associations with CP. The patellar height index was higher in the CP group (1.256 ± 0.233) compared with the non-CP group (1.19 ± 0.202) (<i>p</i> = 0.007). Similarly, the patellar tilt angle was greater in the CP group (11.45 ± 6.72°) than in those without CP (10.02 ± 6.22°) (<i>p</i> = 0.047). Subgroup analysis demonstrated that the patellar index was significantly associated with males and younger individuals, while patellar tilt was associated with females and older individuals.</p> Conclusion <p>Chondromalacia patella is a common pathology in our study population. Patellar height index and patellar tilt were significantly associated with patellar cartilage degeneration.</p>

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Prevalence Of Chondromalacia Patella And Its Association With Patellofemoral Joint Morphology Among Adults In Ethiopia: An Institution-Based Cross-Sectional Mri Study

  • 期刊论文

  • 发表日期：

    2026年4月7日

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  • Seid Mohammed,
  • Hiwot Gezahegn,
  • Bemnet Taye,
  • Mesfin Mulugeta,
  • Moges Zenebe,
  • Daniel Admassie,
  • Jafer Kezali

摘要

Background

Chondromalacia patella (CP) is characterized by chondral damage of the patella and frequently presents with anterior knee pain.

Objective

The study aims to determine the prevalence and severity of CP on knee MRI among adult patients. In addition, it evaluate patellofemoral morphological and tracking parameters and investigate their association with CP.

Materials and Methods

An institution-based retrospective cross-sectional study was conducted, in which 333 knee MRI examinations were systematically sampled and reviewed. Each MRI was assessed for the presence and grading of CP, along with standard measurements of patellar and trochlear morphology and tracking parameters. Intra and inter-observer reliability were assessed.

Results

CP was identified in 189 cases (56.8%). Both intra-observer and inter-observer reliability demonstrated strong agreement. CP showed a significant correlation with both sex and age. Among the patellofemoral morphological parameters assessed, only patellar height index and patellar tilt demonstrated significant associations with CP. The patellar height index was higher in the CP group (1.256 ± 0.233) compared with the non-CP group (1.19 ± 0.202) (p = 0.007). Similarly, the patellar tilt angle was greater in the CP group (11.45 ± 6.72°) than in those without CP (10.02 ± 6.22°) (p = 0.047). Subgroup analysis demonstrated that the patellar index was significantly associated with males and younger individuals, while patellar tilt was associated with females and older individuals.

Conclusion

Chondromalacia patella is a common pathology in our study population. Patellar height index and patellar tilt were significantly associated with patellar cartilage degeneration.