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. 4A, 4B) are fluid-filled masses arising in the setting of a long-standing full-thickness rotator cuff tear. On magnetic resonance imaging a cystic lesion of the proximal humerus was detected. Background . Consequently, the shoulder pain was resolved promptly without suprascapular nerve complications, and the cyst was histologically diagnosed as an intraosseous ganglion. A 35-year-old woman reported having a painful right shoulder of 4 months' duration. The main complications are joint stiffness and vascular disturbances of the lunate bone. 1, 2 The pathogenesis of intraosseous ganglion cysts remains unclear, and these cysts fall into 2 categories: the primarily intraosseous âidiopathicâ type and the penetrating type. - "Intraosseous ganglion of the glenoid causing suprascapular nerve entrapment syndrome: a case report." Rotator cuff tears were present in 36 patients, and 79% of all tears occurred in supraspinatus tendon. Direct communication between a cyst and joint is not commonly seen. This report describes a case of an intraosseous ganglion of the proximal humerus. Her visual analog scale (VAS) for pain was reduced in half of the initial score. Because activity can cause the ganglion cyst to get larger, it may help to temporarily immobilize the area with a brace or splint. The only selection criterion was the description of an intramuscular cyst or ganglion. 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⦠Wu KK: Intraosseous ganglion cyst of the middle cuneiform bone of the foot. Clinical Features: An 18-year old female flat water canoeist complaining of right shoulder pain following a strenuous paddling training camp. 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. This case demonstrated that the intraosseous ganglion of the glenoid was a benign lesion but could be a cause of suprascapular nerve entrapment syndrome. The cysts were curetted and filled with artificial bone (β-TCP). Patient concerns: We report a 61-year-old woman who had complained right shoulder pain that lasted over 3 years which was exacerbated by overhead activities. Intraosseous ganglion cysts most often occurred in the long bones of the lower limbs and carpals. They most often occur at the back of the wrist, followed by the front of the wrist. Ganglion cysts are often painless, requiring no treatment. Intraosseous ganglion (IOG) cysts of the humerus is a rare and often painful condition. Recently, a simple and safe less invasive arthroscopic approach was reported for patients with spinoglenoid ganglion cysts [11]. Occasionally pain or numbness may occur. Surgical treatment of this pathologic condition yields good results and a low recurrence rate. Consequently, the shoulder pain was resolved promptly without suprascapular nerve complications, and the cyst was histologically diagnosed as an intraosseous ganglion. Paralabral cysts are swellings that arise around the socket of the shoulder joint (glenoid). Figure 2 MRI of the right shoulder shows a highesignal intensity area. Acromioclavicular (AC) joint cysts (Fig. J Foot Ankle Surg 33:633-5,1994. (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. This case demonstrated that the intraosseous ganglion of the glenoid was a benign lesion but could be a cause of suprascapular nerve entrapment syndrome. 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. Onset is often over months. Intraosseous ganglion cysts are benign lesions located in the subchondral bone adjacent to the joint and are usually found in adults [1]. However, only 11 cases of intraosseous ganglia of the glenoid have been reported. To date, these lesions have been treated with curettage and bone grafting through an open approach, although more recent techniques have allowed arthroscopic treatment of lesions located at the wrist, knee, and ankle. Lennard Funk, 2011. Paralabral Cysts. The patient was a 47-year-old woman with a painful left shoulder with a limited range of motion. Wrist arthroscopy is a surgical technique that reduces the intra-articular operative area and therefore minimizes postoperative stiffness. 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). Paralabral cysts are swellings that develop around the socket of the shoulder joint. A 35-year-old patient presented with shoulder pain of 10 weeks duration. The patient was a 61-year-old woman with a painful left shoulder with a limited range of motion. 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