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Title

The morphology of medial malleolus and its clinical relevance.

Authors

Laghari, Arshad Hussain; Sultana, Viqar; Samoo, Akhtar Hussain; Makhija, Pirbhomal; Ara, Jehan; Hira

Abstract

Objective: To provide morphological data of medial malleolus to decrease the possibility of posterior tibial tendon injury and inadvertent ankle penetration. Methods: Computed tomography scans of the ankle in 215 patients were reviewed. Then parameters in the 3-D reconstruction images were measured by three independent, qualified observers on two separate occasions. Results: The average angle between tibia plafond and the articular facet of the medial malleolus was 55.88±4.11°. The distance from the most anterior point of the anterior colliculus to the center of the intercollicular groove was 11.68±1.13 mm. And the average angle between the bimalleolar axis and the articular facet of the medial malleolus was 76.61±2.04°. Significant differences were observed in the distance from the most anterior point of the anterior colliculus to the center of the intercollicular groove between males and females. (P < 0.05) All of the parameters exhibited moderate to excellent intra-class correlation coefficient (ICC). Conclusions: According to this study, the insertion angle is much smaller than previously believed, and adequate space only exists for two 4.0-mm screws in some large cases. The second screw will probably be near the posterior tibial tendon, especially in some small cases.

Subjects

SYPHILIS; DISEASE prevalence; RECURRENT miscarriage; TREPONEMA pallidum; ACQUISITION of data; DISEASE risk factors

Publication

Pakistan Journal of Medical Sciences, 2014, Vol 30, Issue 2, p348

ISSN

1682-024X

Publication type

Academic Journal

DOI

10.12669/pjms.302.4268

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