• Journal of Korean Neurosurgical Society
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• v.46 no.1
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• pp.56-59
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• 2009

The lumbar intraspinal epidural ganglion cyst has been a rare cause of the low back pain or leg pain. Ganglion cysts and synovial cysts compose the juxtafacet cysts. Extensive studies have been performed about the synovial cysts, however, very little has been known about the ganglion cyst. Current report is about two ganglion cysts associated with implicative findings in young male patients. We discuss about the underlying pathology of the ganglion cyst based on intraoperative evidences, associated disc herniation at the same location or severe degeneration of the ligament flavum that the cyst originated from in young patients.

• Korean Journal of Veterinary Pathology
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• v.5 no.2
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• pp.67-70
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• 2001

Spontaneous subcutaneous cysts were detected from three dogs, being a 4-year-old male shih tzu, an 11-month-old female britany spaniel and a 9-month-old male mongrel. All the cysts were occurred around the joints (one elbow's and two shoulderes', respectively). After surgical removal, the lesions did not recur for 6 months follow-up. Neither cyst communicated with the joint cavity. Grossly, the subcutaneous ovoid cysts had moderate to abundant mucinous fluid. Histologically, the cyst wall consisted of inner myxomatous and outer immature connective tissue. Some parts of the cyst wall had various stages of myxoid metaplasia of collagen tissue leading to new cyst formation. The true lining cells of the inner cyst wall were not observed in all the cysts. From these results, these cases were diagnosed as subcutaneous ganglion cysts. This is the first report of canine subcutaneous ganglion cysts in Korea.

• Journal of the Korean Arthroscopy Society
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• v.2 no.1
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• pp.68-71
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• 1998

Ganglion cysts of the cruciate ligaments of the knee are rare and their pathogenesis is uncertain. A few cases of the cyst of the posterior cruciate ligament were reported in the literature. We have arthroscopically treated sucessfully the ganglion cysts of the posterior cruciate ligament through the anteromedial portal. We reported three cases of ganglion cyst of the posterior cruciate ligament with brief of literatures.

• Journal of Yeungnam Medical Science
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• v.38 no.2
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• pp.148-151
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• 2021

Pudendal nerve entrapment (PNE) syndrome refers to the condition in which the pudendal nerve is entrapped or compressed. Reported cases of PNE associated with ganglion cysts are rare. Deep gluteal syndrome (DGS) is defined as compression of the sciatic or pudendal nerve due to a non-discogenic pelvic lesion. We report a case of PNE caused by compression from ganglion cysts and treated with steroid injection; we discuss this case in the context of DGS. A 77-year-old woman presented with a 3-month history of tingling and burning sensations in the left buttock and perineal area. Ultrasonography showed ganglion cystic lesions at the subgluteal space. Magnetic resonance imaging revealed cystic lesions along the pudendal nerve from below the piriformis to the Alcock's canal and a full-thickness tear of the proximal hamstring tendon. Aspiration of the cysts did not yield any material. We then injected steroid into the cysts, which resolved her symptoms. Steroid injection into a ganglion cyst should be considered as a treatment option for PNE caused by ganglion cysts.

• Journal of the Korean Arthroscopy Society
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• v.2 no.2
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• pp.189-192
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• 1998

Ganglion cysts have been described in all joints. In the knee, although the finding of meniscal degenerative cysts is fairly common, a few cases have been reported concerning ganglion cysts of anterior cruciate ligament. However, ganglion cysts of posterior cruciate ligament are quite rare. We experienced two cases of ganglion cyst in the posterior cruciate ligament, which were treated successfully with arthroscopic debridement.

• Journal of the Korea Institute of Information and Communication Engineering
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• v.19 no.6
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• pp.1296-1300
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• 2015

Ganglion cysts are commonly observed cystic tumor in association with the joints and tendons of the appendicular skeleton. In this paper we propose a method to extract ganglion cysts from ultrasound images with intelligent image processing. The method consists of fuzzy stretching preprocessing to enhance the contrast between related organs and 8-directional contour tracking to model the boundaries of the cysts and labelling procedure to compute the size of cysts. In experiment, we verified that the proposed method extracts ganglion cysts accurately from ultrasound images.

• Journal of Korean Neurosurgical Society
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• v.29 no.4
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• pp.543-549
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• 2000

Objective : In contrary to ganglion cyst that commonly develops in connective tissue of peripheral joint or tendon, spinal ganglion cysts have been rarely reported. The authors report five cases of spinal ganglion cysts which originated from posterior longitudinal ligament of the lumbar spine. Methods : The authors retrospectively analyzed clinical, radiological, and surgical findings of five cases of spinal ganglion cysts and speculated the pathogenesis of spinal ganglion cyst. Result : Cysts were excised totally and symptoms improved without complications in all cases. Intraoperative findings revealed cysts that were tightly adherent to posterior longitudinal ligament. Conclusion : Five cases of ganglion cyst which caused similar symptoms and signs those of lumbar disc herniations were excised successfully. MRI and operative findings suggested spinal ganglion cyst of posterior longitudinal ligament were closely associated with disc degeneration which imply disc degeneration or herniation may play an important role in the pathogenesis of ganglion cyst.

• Journal of Pharmacopuncture
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• v.23 no.4
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• pp.247-251
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• 2020

Objectives: Ganglion cysts require a sustainable treatment that suppresses their frequent recurrence. This study aimed to explore the clinical effects of Scolopendra pharmacopuncture (SP) and electroacupuncture on ganglion cysts. Methods: We retrospectively reviewed the patient records and follow-up reports for 20 patients with wrist ganglion cysts who received SP and electroacupuncture from April 2016 to March 2017. The cyst diameter, recurrence, visual analog scale (VAS) scores for pain, the Korean version of the disabilities of arm, shoulder, and hand (K-DASH) score, and the Korean version of the patient-rated wrist evaluation (K-PRWE) score before and after treatment were noted. Results: After treatment, the cyst diameter decreased significantly from 13.61 ± 6.41 mm to 5.15 ± 6.18 mm (p < 0.001), and VAS score for pain decreased from 1.31 ± 1.77 to 0.41 ± 0.33 (p = 0.021). Further, the K-DASH score decreased significantly from 8.97 ± 12.66 to 2.21 ± 7.39 (p = 0.016), and score for the function subscale of K-PRWE decreased from 11.37 ± 4.48 to 9.1 ± 3.67 (p = 0.046). No recurrences were reported from the followed-up patients. Any complication related to SP or electroacupuncture was not observed, except mild rash, itching, and swelling at the injection site in four patients. Conclusion: Combination of SP and electroacupuncture may be effective in treating ganglion cysts; further prospective studies with large population are needed to clarify the effect of SP and electroacupuncture.

• Journal of Korean Neurosurgical Society
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• v.47 no.4
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• pp.298-301
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• 2010

Degenerated conditions such as herniated disc or spinal stenosis are common etiologies of lumbar radiculopathy. Less common etiologies include spinal extradural cyst such as synovial cysts and ganglion cysts. Ganglion cyst of the posterior longitudinal ligament (PLL) of the spine is a rare entity that can result in classical sciatica. Posterior longitudinal ligament cyst has no continuity with the facet joint and has no epithelial lining. Two young male patients presented with unilateral sciatica and were found to have intraspinal cystic lesions causing lumbar radiculopathy. Magnetic resonance imaging demonstrated rounded, cystic lesions (i.e., hypointense on T1-but hyperintense on T2-weighted images) adjacent to minimally dehydrated, nonherniated disc spaces in both cases. These patients underwent posterior decompression and cysts were excised, and their sciatic symptoms were completely resolved. Histological examination showed typical features of ganglion cysts in these cases.

• Journal of Korean Neurosurgical Society
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• v.53 no.5
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• pp.309-311
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• 2013

Ganglion cysts usually arise from the tissues around the facet joints. It is usually associated with degenerative cahanges in facet joints. Bilateral thoracic ganglion cysts are very rare and there is no previous case that located in bilateral intervertebral foramen compressing the L1 nerve root associated with severe radiculopathy. We report a 53 years old woman who presented with bilateral groin pain and severe numbness. Magnetic resonance imaging revealed bilateral cystic mass in the intervertebral foramen between 12th thoracal and 1st lumbar vertebrae. The cystic lesions were removed after bilateral exposure of Th12-L1 foramens. The result of hystopathology confirmed the diagnosis as ganglion cyst. The ganglion cyst may compromise lumbar dorsal ganglion when it located in the intervertebral foramen. The surgeon should keep this rare entity in their mind for differential diagnosis.