Intraosseous ganglia about the shoulder are rare; to the best of our knowledge, only 13 cases of intraosseous ganglia of the glenoid have been reported in literature. The cysts were curetted and filled with artificial bone (β-TCP). Intraosseous ganglion is a cystic lesion that contains gelatinous material, most often occurs in middle-aged patients, and is regarded as similar to soft-tissue ganglion. A, Coronal view. However, only 11 cases of intraosseous ganglia of the glenoid have been reported. If the cyst is causing pain or interfering with joint movement, your doctor may recommend: Immobilization. The extraosseous cyst extended to the intraosseous lesion directly. Her visual analog scale (VAS) for pain was reduced in half of the initial score. - "Intraosseous ganglion of the glenoid causing suprascapular nerve entrapment syndrome: a case report." Intraosseous ganglion cysts most often occurred in the long bones of the lower limbs and carpals. (5-9) There is only one other case in the literature describing an IOG cyst of the humerus, while most papers describe cystic lesions of the carpal and tarsal bones. A 47-year-old man with left shoulder pain developed an intraosseous cyst in the left glenoid, which came into contact with the suprascapular nerve. The main complications are joint stiffness and vascular disturbances of the lunate bone. Intraosseous ganglia of the glenoid are rare, and their etiology is unknown. We describe a case of suprascapular nerve entrapment caused by protrusion of an intraosseous ganglion of the glenoid into the spinoglenoid notch. A 35-year-old woman reported having a painful right shoulder of 4 months' duration. Hello, An intraosseous ganglion/ cyst, however, is not common and is limited to the hip, knee, and ankle.5 In particular, an intraosseous ganglion of the glenoid is extremely rare, and no study to date has reported on an intraosseous glenoid ganglion /cyst.First you have to confirm it simple bone cyst or not. Direct communication between a cyst and joint is not commonly seen. The cause is unknown. In both cases, the genesis of the intraosseous ganglion cyst may be related to a long-term impingment between the greater tuberosity of the humerus and the acromion. Wrist arthroscopy is a surgical technique that reduces the intra-articular operative area and therefore minimizes postoperative stiffness. What are paralabral cysts? Her symptoms did not improve after non-operative treatment. Intraosseous ganglia are rare lesions that can cause pain and leave patients susceptible to pathologic fracture. please consult your Orthopedician he will examine and treat you accordingly. They are pockets of joint fluid that develop outside of the joint under tears of the labrum.These are also known as ganglia (or a ganglion). Clinical features Ganglion cysts of bone most commonly affect the hip and medial malleolus, while the knee, wrist, shoulder, and … Ganglion Cyst KEY FACTS Imaging • Fluid-filled mass with stalk extending toward joint • Ovoid or irregular configuration with stalk connecting to joint of origin Elongated neck allows cyst to surface at distance from joint of origin • Hypoechoic with clear fluid ± septation ± comet-tail artifacts (due to colloid aggregates) • Not compressible • No hyperemia except with recent… The etiology is unknown, but association with degenerative joint disease has been considered. Lorenz Büchler, Harish Hosalkar, Martin Weber, Arthroscopically Assisted Removal of Intraosseous Ganglion Cysts of the Distal Tibia, Clinical Orthopaedics and Related Research®, 10.1007/s11999-009-0771-4, 467, 11, (2925-2931), (2009). Wu KK: Intraosseous ganglion cyst of the middle cuneiform bone of the foot. These cysts may represent a synovial cyst, ganglion cyst or pseudocyst. This case demonstrated that the intraosseous ganglion of the glenoid was a benign lesion but could be a cause of suprascapular nerve entrapment syndrome. Yajima H, Murata K, Kawamura K, Kawate K, Takakura Y: Treatment of intraosseous ganglia and bone cysts of the carpal bones with injectabel calcium phosphate bone cement. Most cysts (94%) demonstrated communication with the joint post-arthrogram. ... Intraosseous ganglion cyst in which fibrous wall is of variable thickness with myxoid change. Diagnoses: We diagnosed it as suprascapular nerve entrapment at the spinoglenoid notch caused by an intraosseous ganglion of the scapula. Recently, a simple and safe less invasive arthroscopic approach was reported for patients with spinoglenoid ganglion cysts [11]. Consequently, the shoulder pain was resolved promptly without suprascapular nerve complications, and the cyst was histologically diagnosed as an intraosseous ganglion. Typically there are no further symptoms. Additionally, the previously reported case of an intraosseous ganglion accompanied with suprascapular nerve entrapment was treated with needle aspiration under arthroscopy [9], and posterior shoulder pain and muscle strength weakness of the shoulder resolved. The subchondral cyst was virtually nonexistent; the Baker’s cyst had reduced significantly and was non-palpable. The only selection criterion was the description of an intramuscular cyst or ganglion. Paralabral cysts are swellings that arise around the socket of the shoulder joint (glenoid). Complications may include carpal tunnel syndrome.. Materials and Methods . Ganglion cysts are often painless, requiring no treatment. On magnetic resonance imaging a cystic lesion of the proximal humerus was detected. An intraosseous ganglion of the humeral head is rare and its correlation with the cuff tear was unclear.