The document outlines various normal labral variants and pathologies observed through imaging techniques such as MR arthrograms and CT arthrograms. It includes images and descriptions of different anatomical structures associated with shoulder joints, including the glenohumeral ligaments and various types of labral tears. No financial relationships with commercial entities were disclosed by the author.

1. Edited 10-09-2016
Normal Labral Variants, FIGURES (2)
Dr WALIF CHBEIR
No financial relationships with commercial entities to disclose.
Fig 21. Type A and B labrum.
Magn Reson Imaging Clin N Am 20 (2012) 213–228; fig1.
© 2012 Elsevier Inc. All rights reserved.
Fig22- Normal superior glenohumeral ligament in an 18 yearold woman. Sagittal fatsaturated T1weighted MR arthrogram (750/15) shows the
biceps tendon (t), subscapularis tendon (S), middle glenohumeral ligament (open arrows), and superior glenohumeral ligament (solid arrow).
Courtesy of: RSNA.
RadioGraphics 2000, Vol. 20, No. suppl_1: S67-S81; fig7.
http://images.rsna.org/index.html?doi=10.1148/radiographics.20.suppl_1.g00oc03s67&fig=F7.
Fig23- Absent middle glenohumeral ligament in a 40 yearold woman. CT arthrogram (2mm section thickness) demonstrates absence of the middle
glenohumeral ligament (*) and a wide anterior joint recess (arrowheads).
Courtesy of : RSNA.
RadioGraphics 2000, Vol. 20, No. suppl_1: S67-S81; fig10.
http://images.rsna.org/index.html?doi=10.1148/radiographics.20.suppl_1.g00oc03s67&fig=F10

2. Fig 24- Normal middle glenohumeral ligament in a 30 year old man. CT arthrogram (2mm section thickness) shows the middle glenohumeral
ligament (arrowhead) attached to the anterior labrum (arrow).
Courtesy of: RSNA.
RadioGraphics 2000, Vol. 20, No. suppl_1: S67-S81; fig8.
http://images.rsna.org/index.html?doi=10.1148/radiographics.20.suppl_1.g00oc03s67&fig=F8
Fig25- Normal middle glenohumeral ligament in an 18 year old woman. Transverse fatsaturated MR arthrogram (560/14) demonstrates the middle
glenohumeral ligament attaching medially on the glenoid neck (arrow).
Courtesy of: RSNA.
RadioGraphics 2000, Vol. 20, No. suppl_1: S67-S81; fig9. http://images.rsna.org/index.html?doi=10.1148/radiographics.20.suppl_1.g00oc03s67&fig=F9
Fig 26- Normal inferior glenohumeral ligament in an 18 year old woman. Sagittal fatsaturated T1weighted MR arthrogram (750/15) demonstrates
the biceps tendon (t), subscapularis tendon (S), and anterior and posterior bands of the inferior glenohumeral ligament (arrows).
Courtesy of: RSNA.
RadioGraphics 2000, Vol. 20, No. suppl_1: S67-S81; fig11.
http://images.rsna.org/index.html?doi=10.1148/radiographics.20.suppl_1.g00oc03s67&fig=F11
Fig 27- Normal inferior glenohumeral ligament in a 57year old man. CT arthrogram (2mm section thickness) shows the anterior band of the
inferior glenohumeral ligament in the axillary joint recess (arrow).

3. Courtesy of: RSNA
RadioGraphics 2000, Vol. 20, No. suppl_1: S67-S81; fig12.
http://images.rsna.org/index.html?doi=10.1148/radiographics.20.suppl_1.g00oc03s67&fig=F12
Fig 28- Tear of the anterior labrum. Photograph of a plastic model shows extensive fraying of the anterior labrum (arrows).
Courtesy of: RSNA
RadioGraphics 2000, Vol. 20, No. suppl_1: S67-S81; fig24.
Courtesy of: http://images.rsna.org/index.html?doi=10.1148/radiographics.20.suppl_1.g00oc03s67&fig=F24
Fig29- Tear of the anterior labrum. Sagittal fatsaturated MR arthrogram (744/20) demonstrates absence of the labrum and
residual irregularity of the anterior glenoid (arrows).
Courtesy of: RSNA.
RadioGraphics 2000, Vol. 20, No. suppl_1: S67-S81; fig25.
http://images.rsna.org/index.html?doi=10.1148/radiographics.20.suppl_1.g00oc03s67&fig=F25
Fig30- Tear of the anterior labrum in a 26 year old man. Transverse CT arthrogram (2mm section thickness) shows injected contrast material
extending into a tear of the anterior labrum (arrow).

4. Courtesy of: RSNA.
RadioGraphics 2000, Vol. 20, No. suppl_1: S67-S81; fig26.
http://images.rsna.org/index.html?doi=10.1148/radiographics.20.suppl_1.g00oc03s67&fig=F256
Fig31-Type II SLAP lesion. Photograph of a plastic model shows detachment of the superior labrum from the glenoid (arrows). Note the irregular
fraying and hemorrhagic aspect of the free edge of the labrum.
Courtesy of: RSNA.
RadioGraphics 2000, Vol. 20, No. suppl_1: S67-S81; fig31.
http://images.rsna.org/index.html?doi=10.1148/radiographics.20.suppl_1.g00oc03s67&fig=F31
Fig32- Type II SLAP lesion in a 37 year old man. Coronal MR arthrogram (520/14; flip angle, 40°) demonstrates contrast material between the
superior labrum and the glenoid (arrow). Note also the slight irregularity of the labral margin (arrowhead).
Courtesy of: RSNA.
RadioGraphics 2000, Vol. 20, No. suppl_1: S67-S81; fig32.
http://images.rsna.org/index.html?doi=10.1148/radiographics.20.suppl_1.g00oc03s67&fig=F32
Fig33- Type II SLAP lesion. Coronal fat saturated MR arthrogram (700/16) shows contrast material between the superior labrum and the glenoid
(arrow). Note the lateral extension of the tear of the superior labrum.

5. Courtesy of: RSNA.
RadioGraphics 2000, Vol. 20, No. suppl_1: S67-S81; fig33.
http://images.rsna.org/index.html?doi=10.1148/radiographics.20.suppl_1.g00oc03s67&fig=F33
Fig34- Type II SLAP lesion in a 26year old man. CT arthrogram (1mm section thickness) shows contrast material between the superior labrum and
the superior glenoid rim (arrow). The wide separation indicates a SLAP lesion.
Courtesy of: RSNA
RadioGraphics 2000, Vol. 20, No. suppl_1: S67-S81; fig34.
http://images.rsna.org/index.html?doi=10.1148/radiographics.20.suppl_1.g00oc03s67&fig=F34
Figure 35. Type II SLAP lesion. On a photograph obtained during arthroscopy, the superior labrum (S) is separated from the superior glenoid rim.
Note the irregular fraying of the free edge of the superior labrum (arrowheads). G = glenoid, H = humeral head.
Courtesy of: RSNA.
RadioGraphics 2000, Vol. 20, No. suppl_1: S67-S81; fig35.
http://images.rsna.org/index.html?doi=10.1148/radiographics.20.suppl_1.g00oc03s67&fig=F35

6. Figure 36. Type II SLAP lesion versus superior sublabral recess. Drawings representing a coronal section through the labralbicipital attachment
demonstrate a normal recess with a sharp free edge of the labrum (arrow in 1), a type II SLAP lesion with an irregular appearance of the free edge of
the labrum (arrow in 2), a type II SLAP lesion with wide separation between the superior labrum and the glenoid (arrows in 3), and a type II SLAP
lesion with lateral extension of the labral tear (arrowhead in 4).
Courtesy of: RSNA.
RadioGraphics 2000, Vol. 20, No. suppl_1: S67-S81; fig36.
http://images.rsna.org/index.html?doi=10.1148/radiographics.20.suppl_1.g00oc03s67&fig=F36
Figure 37.
Magn Reson Imaging Clin N Am 20 (2012) 213–228; fig3.
© 2012 Elsevier Inc. All rights reserved.
Fig38.
Courtesy of: radedasia.com.
GLENOID LABRUM MRI SIMPLIFIED 2: Are you normal or not?
http://radedasia.com/glenoid-labrum-labral-variants-mri-simplified-2-are-you-normal-or-not/
Fig39-
Courtesy of: radedasia.com .
GLENOID LABRUM MRI SIMPLIFIED 3: Buford Complex
http://radedasia.com/buford-complex-glenoid-labrum-mri-simplified-3/

7. Fig 40-
Courtesy of: radedasia.com
GLENOID LABRUM MRI SIMPLIFIED 4: Sublabral Foramen and Recess.
http://radedasia.com/glenoid-labrum-mri-sublabral-foramen-and-recess/
Fig41-
Courtesy of: radedasia.com http://radedasia.com/glenoidlabrummrisublabralforamenandrecess/
Fig42- Labral variants and Tears :

8. Courtesy of : The Radiology Assistant
http://www.radiologyassistant.nl/en/p4f49ef79818c2/shouldermranatomy.html