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1

Bilateral alar thoracic artery

100%
Rusu M. C.
Folia Morphologica
|
2005
|
tom 64
|
nr 1
59-64
During a routine dissection a superficial artery was observed coursing subcutaneously at the anterior border of the axillary base towards the thoracic wall and bilaterally at the lower border of the pectoralis major muscle. On the right side it originated from the 3rd part of the axillary artery but on the opposite side the origin was from the first centimetre of a left radial artery originating directly from the axillary artery together with the left brachial artery. Apart from the bilateral absence of the deep brachial artery, no other anomalies were identified at this level. This variant corresponds to the alar thoracic artery, an unusual and rarely reported artery. The literature on the subject contains no reference either to the bilateral evidence for the alar thoracic artery or to the possibility of an origin from a high radial artery. The presence of such an alar thoracic artery may interfere with surgical access within the axillary fossa and should be taken into consideration.
2

Arterial, neural and muscular variations in the upper limb

75%
Coskun N., Sarikcioglu L., Donmez B. O., Sindel M.
Folia Morphologica
|
2005
|
tom 64
|
nr 4
347-352
During our routine dissection studies we observed arterial, neural and muscular variations in the upper limbs of an adult male cadaver. In this case we observed the superficial brachial artery origination from the third part of the axillary artery, communications between the musculocutaneous and median nerves, variant formation of the brachial plexus, origination of the profunda brachii artery from the posterior circumflex humeral artery and supernumerary tendons of the abductor pollicis longus muscle. We think that such variations should be kept in mind during surgical and diagnostic procedures.
3

The anastomotic artery connecting the axillary or brachial artery to one of the forearm arteries

75%
Uzun A., Seeling L. L.
Folia Morphologica
|
2000
|
tom 59
|
nr 3
A vessel connecting the axillary or brachial artery to one of the forearm arteries was found in a 65 year old male cadaver, during the gross anatomy dissection of the upper extremity of 20 adult cadavers at the Department of Cellular Biology and Anatomy, Louisiana State University Medical Center. The right radial artery originated from the brachial artery nearly at the usual level and was connected to the axillary or brachial artery by a long slender anastomotic artery (vasa aberrantia). The anastomotic artery coursed under the medial side of the biceps muscle between the median and musculocutaneous nerves, and gave off two muscular branches to the biceps muscle. The anastomotic artery coursed between the median and musculocutaneous nerves in the arm, it passed to the forearm under the bicipital aponeurosis and connected the main radial artery on the radial side of the forearm. The anastomotic artery can be explained on the basis of its embryologic development and also ought to be distinguished from the other common arterial variations in the upper extremity.
4

High origin of a superficial ulnar artery arising from the axillary artery: anatomy, embryology, clinical significance and a review of the literature

63%
Natsis K., Papadopoulou A. L., Paraskevas G., Totlis T., Tsikaras P.
Folia Morphologica
|
2006
|
tom 65
|
nr 4
400-405
The superficial ulnar artery (SUA) is an ulnar artery of high origin that lies superficially in the forearm. Its reported frequency ranges from 0.17% to 2%. During anatomical dissection in our department we observed a unilateral case of SUA in a 75-year-old white male human cadaver. It originated from the right axillary artery at the level of the junction of the two median nerve roots and followed a looping course, crossing over the lateral root of the median nerve and running lateral to it in the upper and middle thirds of the arm, whereas in the inferior third of the arm the SUA crossed over the median nerve and ran medially to it. In the cubital fossa, it passed superficially over the medial side of the ulnar aponeurosis and coursed subcutaneously in the ulnar side of the forearm superficially to the forearm flexor muscles. In the hand the SUA anastomosed with the superficial palmar branch of the radial artery, creating the superficial palmar arch. Additionally, it participated in the development of the deep palmar arch. The axillary artery, after the origin of the SUA, continued as the brachial artery and divided into the radial and common interosseous arteries in the cubital fossa. The normal ulnar artery was absent. No muscular or other arterial variations were observed in this cadaver. The embryological interpretation of this variation is difficult and it may arise as a result of modifications to the normal pattern of capillary vessel maintenance and regression. The existence of a SUA is undoubtedly of interest to the clinician as well as to the anatomist. This report presents a case of unilateral SUA along with a review of the literature, embryological explanation and analysis of its clinical significance.
5

Variation in morphology of the biceps brachii and coracobrachialis muscles associated with abnormal course of blood vessels and nerves

63%
Jakubowicz M., Ratajczak W.
Folia Morphologica
|
1999
|
tom 58
|
nr 4
On the right upper limb, during laboratory dissection the low division of the common trunk of the musculocutaneous nerve and the lateral root of the median nerve, low fusion of two roots of the median nerve as well as accessory heads of the coracobrachialis and biceps brachii muscles were found. The axillary and brachial arteries showed abnormal course.
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