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Vascular foramina of navicular bone: a morphometric study.

Vani Prathapamchandra1, Praveena Ravichandran1, Jayanthi Shanmugasundaram1

  • 1Department of Anatomy, Mahatma Gandhi Medical College & Research Institute, SBV University, Puducherry, India.

Anatomy & Cell Biology
|July 18, 2017
PubMed
Summary

This study details the vascular foramina in Indian navicular bones, finding more nutrient foramina on the dorsal surface. This anatomical knowledge aids in understanding navicular fractures and guiding foot surgeries.

Keywords:
NavicularStress fracturesVascular foramina

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Area of Science:

  • Anatomy
  • Orthopedics
  • Vascular Biology

Background:

  • The navicular bone's blood supply is crucial for understanding its fractures.
  • Detailed knowledge of vascular foramina aids in surgical management and pathogenesis of navicular injuries.

Purpose of the Study:

  • To analyze the morphology and morphometry of vascular foramina in dried human navicular bones from the Indian population.
  • To provide anatomical data relevant to foot surgery and the treatment of navicular bone pathologies.

Main Methods:

  • Macroscopic examination of 100 human navicular bones (50 right, 50 left).
  • Analysis of vascular foramina location, number, size, and shape.
  • Statistical analysis using Kruskal-Wallis, Mann-Whitney, and Spearman's rank correlation tests.

Main Results:

  • Vascular foramina were identified on dorsal, plantar, medial, and lateral surfaces.
  • Significantly more nutrient foramina were observed on the dorsal surface compared to other surfaces (P<0.001).
  • Approximately 97.6% of foramina were circular and 96.7% were <1 mm in size, with a strong positive correlation between circular shape and smaller size (r=0.981, P<0.001).

Conclusions:

  • The study provides detailed anatomical data on navicular bone vascular foramina in an Indian population.
  • Findings highlight the predominance of smaller, circular foramina on the dorsal surface.
  • This information is valuable for orthopedic surgeons performing foot and ankle procedures.