Variant branching pattern of dorsalis pedis artery accompanied with anomalous presence of extensor hallucis brevis muscle

Aithal, Ashwini P and Kumar, Naveen and Nayak, Satheesha B (2017) Variant branching pattern of dorsalis pedis artery accompanied with anomalous presence of extensor hallucis brevis muscle. Online Journal of Health and Allied Sciences, 16 (3). pp. 1-3. ISSN 0972-5997

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Abstract

During routine dissection, we came across multiple variations in the dorsum of the right foot. Dorsalis pedis artery (DPA) presented with an unusual branching pattern. The arcuate artery was completely absent, and hence three tarsal branches arose from lateral side of DPA. The first branch continued as first dorsal metatarsal artery, the second branch continued as the second dorsal metatarsal artery, and the third branch continued as third dorsal metatarsal artery which also provided a small twig to the fourth intermetatarsal space as the fourth dorsal metatarsal artery. We also observed the unique presence of extensor hallucis brevis muscle with the origin from the medial part of superior surface of the calcaneus and inserted to proximal phalanx of great toe. Since the DPA was just beneath this muscle, anomalous presence of the muscle may lead to compression of DPA. Awareness regarding such variations is critical for angiographers, vascular surgeons, reconstructive and plastic surgeons.

Item Type: Article
Uncontrolled Keywords: Dorsalis pedis artery; extensor hallucis brevis; extensor digitorum brevis; dorsum of foot.
Subjects: Medicine > MMMC Manipal > Anatomy
Depositing User: KMC Library
Date Deposited: 11 Dec 2017 04:45
Last Modified: 11 Dec 2017 04:45
URI: http://eprints.manipal.edu/id/eprint/150207

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