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Related Concept Videos

Arteries of the Upper Limbs01:12

Arteries of the Upper Limbs

The subclavian artery transitions into the axillary artery as it exits the chest and enters the axillary region. This artery is critical for supplying blood to the shoulder area, including the head of the humerus, through the humeral circumflex arteries. As the vessel continues into the upper arm or brachium, it becomes the brachial artery. This artery plays a key role in vascularizing the brachial region and bifurcates at the elbow into several branches. These branches include the deep...
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The ulna and radius are parallel bones of the antebrachium or the forearm. The ulna lies medially and consists of a bony tip called the olecranon process at its proximal end. This hook-like projection articulates with the olecranon fossa of the humerus and forms the "hinged" ulnohumeral part of the elbow joint. This joint facilitates forearm extension and flexion while preventing its hyperextension. Similarly, the coronoid process, another bony projection on the proximal/anterior side of the...
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Arteries of Lower Limbs

The external iliac artery transitions out of the body cavity, entering the femoral region of the lower leg, and is renamed the femoral artery at the point where it traverses the body wall. This artery is responsible for the distribution of blood to the thigh's deep muscles and the skin's ventral and lateral regions, achieved through several minor branches and the lateral deep femoral artery, which also spawns a lateral circumflex artery. The knee area receives blood from the genicular artery,...
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The vascular system, an integral part of the circulatory system, comprises various blood vessels that play crucial roles in maintaining the body's homeostasis. These blood vessels form a complex and efficient circulatory network. The three primary categories of blood vessels are the arteries, veins, and capillaries.
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The human circulatory system, a marvel of biological engineering, is a complex network of vessels that transport blood throughout the body. Among these, the veins responsible for carrying blood from the upper limbs are divided into two categories: deep and superficial.
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Fetal circulation is a unique system that facilitates the exchange of gases, nutrients, and waste products between the developing fetus and the mother. This intricate process takes place through a special organ called the placenta.
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Ulnar dimelia without duplicated arterial anatomy.

A Afshar1

  • 1Department of Orthopaedics Urmia University of Medical Sciences, Imam Khomeini Hospital, Urmia 57157-81351, Iran. Afshar_ah@yahoo.com

The Journal of Bone and Joint Surgery. British Volume
|February 5, 2010
PubMed
Summary
This summary is machine-generated.

This case report details a four-year-old girl with ulnar dimelia, a condition involving extra digits on the forearm. Surgical intervention included digit excision and pollicisation, with noted arterial anomalies.

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Area of Science:

  • Congenital limb malformations
  • Pediatric orthopedics
  • Vascular anatomy

Background:

  • Ulnar dimelia is a rare congenital upper limb anomaly characterized by duplication of the ulna and associated soft tissues.
  • This condition can present with varying degrees of digit duplication and skeletal abnormalities.

Observation:

  • A four-year-old female presented with ulnar dimelia affecting her right hand, featuring six digits without mirror symmetry.
  • The affected hand exhibited pre-axial polydactyly, with an extra digit located radially.

Findings:

  • Surgical management involved excision of the first pre-axial digit and subsequent pollicisation of the second pre-axial digit.
  • Intraoperative assessment revealed abnormal arterial anatomy in the affected limb, though not symmetrical in its development.

Implications:

  • This case highlights the complex surgical considerations for ulnar dimelia, including digit reconstruction and management of vascular variations.
  • Understanding the spectrum of arterial anomalies associated with ulnar dimelia is crucial for surgical planning and preventing complications.