• Journal of Korean Neurosurgical Society
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• v.29 no.2
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• pp.231-239
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• 2000

Objectives : A postoperative hydrocephalus is compromises the clinical outcome of patients with aneurysmal clippings as one of the major complications of SAH. Subdural hygroma is often complicated after aneurysmal clippings, which subsides spontaneously as simple hygroma, or progresses to shunt-dependent hydrocephalus (SDHC). To predict development of SDHC from the hygroma, and to improve clinical outcome of patients with aneurysmal clippings, we analyzed clinical predisposing factors between 2 subgroups, simple hygroma and SDHC. Patients and Methods : A retrospective study of 232 consecutive cases of clipped aneurysmal patient was undertaken in our hospital for last two years. The 46 patients(19.8%) developed hygromas after aneurysmal clippings. There were 22 cases with simple hygroma(9.5%), and 24 patients with SDHC(10.3%). Comparison of 2 subgroups was made for various clinical and radiological factors. Results : Older age(p＝0.03), poor preoperative clinical grade(p＝0.01), high Fisher grade(p＝0.005), large amount of hygroma(p＝0.014) and increased size of lateral ventricle ipsilateral to hygroma(p＝0.001) were correlated significantly with SDHC. There was no statistical significance in sex, aneurysmal location and presence of acute preoperative ventricular dilatation between 2 subgroups. Conclusion : The clinical factors, such as older age, poor preoperative clinical grade, high Fisher grade, large amount of hygroma and increased size of lateral ventricle ipsilateral to hygroma showed statistical sinificance for differentiating SDHC from simple hygroma.

• The Korean Journal of Nuclear Medicine
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• v.34 no.4
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• pp.366-369
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• 2000

We report a case of a patient with cystic subdural hygroma who underwent pre-operative Tc-99m DTPA cistrenoscintigraphy to determine the course of operation. A 68-year-old female was admitted to the department of neurosurgery because of acute subarachnoid hemorrhage. After emergency ventricular drainage, the hydrocephalus and cystic subdural hygroma in the right fronto-temporal area developed. She underwent Tc-99m DTPA cisternoscintigraphy to evaluate the type of hydrocephalus, which revealed obstructive communicating hydrocephalus and the communication between the subdural hygroma and the subarachnoid space. As a result of these findings, she underwent the ventriculo-peritoneal shunt operation without removal of the subdural hygroma. Post-operative brain CT showed nearly normalized shape and size of the right ventricle and disappearance of subdural hygroma. We recommend the pre-operative cisternoscintigraphy in patients with complex hygroma to evaluate the communication between subdural hygroma and the subarachnoid space.

• Journal of Chest Surgery
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• v.28 no.2
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• pp.209-212
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• 1995

Cystic hygroma is a cystic tumor developed by lymphatic stasis due to congenital blockage of regional lymphatic drainage. It ususally occurs at neck and axilla. However, in some cases of cervical cystic hygroma, cervical portions of the cysts may extend into the mediastinum. We experienced a case of huge cervico-mediastinal cystic tumor in 11 month old girl presenting a large fluctuating neck mass and severe respiratory distress. Surgical resection was done through combined approach of cervical incision and median sternotomy. Pathological diagnosis was confirmed to cervico-mediastinal cystic hygroma.

• Journal of Korean Neurosurgical Society
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• v.37 no.6
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• pp.432-435
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• 2005

Objective: This study was performed to evaluate the usefulness of early operation in children with traumatic subdural hygroma. Methods: The subjects were nine patients (Glasgow coma scale (GCS) score was below 10 and age was below 10 years old) who developed subdural hygroma after trauma between January 2000 to December 2002. Subduroperitoneal shunt was performed in one group and not performed in the other group. We analyzed the GCS score on admission and at 1 year after operation. Overall clinical results were evaluated retrospectively. Results: Patients who underwent operation exhibited higher GCS scores at 1 year after trauma compared to those in the patients who were treated by conservative therapy(p<0.05). Conclusion: The early operation could be an effective treatment to children with subdural hygroma who showed delayed improvement of consciousness and to patients with hygroma that didn't decrease or was above moderate amount.

• Journal of Chest Surgery
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• v.15 no.3
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• pp.299-302
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• 1982

Cystic hygroma is benign overgrowth of the lymphatic vessels and is usually located in the neck, but rare in the mediastinum. This vascular tumor may appear in any portion of mediastinum, but seems to be most common anteriorly. This is a report of one case of congenital mediastinal cystic hygroma in a 25 years old man, especially in the thymic location which was surgically removed successfully with good postoperative result and confirmed histopathologically.

• Journal of Korean Neurosurgical Society
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• v.41 no.4
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• pp.261-263
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• 2007

Subdural hygromas are easily treated by trephination and drainage. Therefore, most neurosurgeons do not consider subdural hygromas seriously. However, various complications including intracerebral hemorrhage may develop after rapid drainage of subdural hygroma although rare. Postoperative intracerebral hemorrhage presents with a rapid deterioration of consciousness and focal neurological deficits occurring immediately after drainage of the subdural hygroma. The authors present an unfortunate massive intracerebral hemorrhage and pneumocephalus following drainage of the bifrontal subdural hygroma. The patient subsequently died. To prevent this disastrous complication, close neurosurgical observation and gradual drainage under a closed system seem mandatory. Possible pathogenic mechanisms for this unfavorable complication is discussed with a review of pertinent literatures.

• Journal of Chest Surgery
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• v.10 no.1
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• pp.65-70
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• 1977

Cystic hygroma is a benign tumor of lymphatic origin encountering most frequently in young children, and composed of softly fluctuated mono or multilocular cystic masses which developed from embryonic outpouching of the venous system. The majority of these tumors are found at the anterolateral neck region particularly posterior .triangle, and occasionaly axilla, mesentery and spleen etc. In the mediastinum, the incidence of hygroma is very rare and also of mediastinal neoplasms. Recently, we have experienced 2 cases of mediastinal cystic hygroma connected up lateral neck and to anterior chest wall respectively, which were surgically removed successfully and confirmed histopathologically. Authors present the cases and discussion with a brief review of the relevant literatures.

• The Korean Nurse
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• v.8 no.6 s.44
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• pp.63-64
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• 1969

• Journal of Korean Neurosurgical Society
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• v.30 no.sup2
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• pp.340-343
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• 2001

Arachnoid cysts are defined as duplicated arachnoids and their splitting with congenital, intra-arachnoid, and leptomeningeal malformations. They are most commonly located in the middle cranial fossa followed by suprasellar and quadrigeminal cisterns, posterior fossa, and very rare in cerebral convexities. They are often ruptured by trauma or spontaneously and cause subdural hygroma or subdural hematoma. Authors report a case of a 32-year-old woman with a convexity arachnoid cyst mimicking subdural hygroma associated with a separate middle fossa arachnoid cyst. Preoperatively, the convexity arachnoid cyst was misinterpreted as subdural hygroma resulted from a ruptured middle fossa cyst. The patient underwent craniotomy and cyst fenestration into the basal cistern. Two separate arachnoid cysts were found in the cerebral convexity and middle cranial fossa during the operation. Finally, cysts were resolved and she was discharged without any complication.

• Korean Journal of Bronchoesophagology
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• v.16 no.1
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• pp.59-63
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• 2010

Cystic hygroma is a rarc congenital malformation of the lymphatic system and seen rarely in adults. It represents an error in communication between the large draining lymphatic channels and the venous system, Conventional surgical excision remains the most popular method of treatment in many developing countries despite the dangers associated with treatment modality. We present a case of huge cervical cystic hygroma in a 26-year old female who was treated with OK-432 sclerotherapy.