1.A Case of Targetoid Hemosideric Hemangioma.
Gi Na KIM ; Gi Na KIM ; Hwa Jung RYU ; Chil Hwan OH
Annals of Dermatology 2002;14(2):124-126
Targetoid hemosideric hemangioma represents a distinctive, benign, vascular tumor. Histologically, it is a noncircumscribed vascular proliferation that may extend into the subcutaneous tissue. The superficial component is composed of ectactic dermal vascular lumina with intradermal papillary projections. The deeper component is composed of angular lumina dissecting collagen bundles. We present a case of targetoid hemosideric hemangioma which was presented as solitary nodule on left thigh.
Collagen
;
Hemangioma*
;
Subcutaneous Tissue
;
Thigh
2.Calcific Myonecrosis of the Calf
Dae Kyung BAE ; Gi Un NAM ; Kyung Nam RYU ; Yong Hwan KIM
The Journal of the Korean Orthopaedic Association 1995;30(2):444-448
Calcific myonecrosis is a rare late post-traumatic condition in which an entire single muscle is replaced by a fusiform mass with central liquefaction and peripheral calcification. The compartmental syndrome is suggested to be the underlying cause. We report a case of 70 year-old man whose right tibialis anterior and extensor hallucis longus muscle were replaced by calcific myonecrosis and treated with en-bloc resection & tendon reconstruction.
Tendons
3.Effects of Opioid Agonists on the Suppressed Spontaneous Alternation Behaviour in Rats.
Gi Chul LEE ; Seong Il JEON ; Jung Ho LEE ; Young Min CHOI ; Seong Ho KIM ; Jeong hwan RYU ; Mi CHOI ; Hwan Il CHANG
Journal of the Korean Society of Biological Psychiatry 1999;6(2):193-201
This study was designed to evaluated the effects of opioid receptor agonists on the spontaneous alternation behaviour in an animal model of obsessive-compulsive disorder in rats. According to the theory that dopamine is related to the biological etiology of obsessive-compulsive disorder, the effect of the nalbuphine(opioid kappa agonist) and the tramadol(opioid mu agonist), which act as manipulating agents on the inhibition or stimulation of dopamine release, in the spontaneous alternation behaviour were evaluated. 24 hours prior to the experiment, rats were food-deprived. These rats were put into the T-maze, in which white and black goal boxes were baited with small amounts of chocolate milk. Each rat was given 2 set of 7 trials during which it was placed in the start box and allowed to choose the one of the goal boxes for each time. After identifying the stable baseline of spontaneous alternation behaviour, nonselective 5-HT agonist 5-MeODMT(1.25mg/kg/IP) disrupted spontaneous alternation. Rats were stratified into fluoxetine(10mg/kg/IP), nalbuphine(10mg/kg/IP), tramadol(46.4mg/kg/IP), and saline(0.5cc/IP) injection group with experimental drug treatment for 21 days. The effects on the 5-M?DMT(1.25mg/kg/IP) induced disruption of spontaneous alternation behaviour were checked at the next day of discontinuation of drug treatment. The results were as follows : 1) At the day after 21 days of the drug treatment, the nalbuphine treated group and the fluoxetine treated group showed significant difference from the tramadol treated group and the saline treated group in the 5-MeODMT(1.25mg/kg/IP) induced suppression of spontaneous alternation behaviour. 2) Within each drug treatment group, the fluoxetine treated group showed significant difference between before and after the treatment of fluoxetine in the 5-MeODMT(1.25mg/kg/IP) induced suppression of spontaneous alternation behaviour. And also, the nalbuphine treated group showed significant difference between before and after the treatment of nalbuphine in the 5-MeODMT(1.25mg/kg/IP) induced suppression of spontaneous alternation behaviour. There was no difference between the baseline and after the treatment of nalbuphine in the 5-MeODMT(1.25mg/kg/IP) induced suppression of spontaneous alternation behaviour. We indentified that the opioid kappa agonist that act as dopamine release inhibitor affect the spontaneous alternation behaviour which is an animal model of obsessive-compulsive disorder in rat.
Animals
;
Cacao
;
Dopamine
;
Fluoxetine
;
Milk
;
Models, Animal
;
Nalbuphine
;
Obsessive-Compulsive Disorder
;
Rats*
;
Receptors, Opioid
;
Serotonin Receptor Agonists
;
Tramadol
4.Giant Serpentine Aneurysm of the Posterior Cerebral Artery: Case Report.
Tae Hee RYU ; Sang Geun KIM ; Gi Hwan CHOI ; Hyung Tae YEO ; Jung Kil RHEE
Journal of Korean Neurosurgical Society 1988;17(1):119-128
Aneurysms of the posterior cerebral artery are rare, furthermore giant serpentine aneurysms-partially thrombosed aneurysms containing a tortuous vascular channel-of the posterior cerebral artery are extremely rare. The author et al. were able to remove 3.9cm x 2.9cm x 3.0cm sized giant serpentine aneurysm of the distal PCA totally, without any significant postoperative neurological sequela except transient ipsilateral third cranial nerve paresis and transient hemihypesthesia. Various kinds of surgical treatment were proposed by several authors in managing unclippable giant aneurysms:excision including partial excision;clipping of feeding artery and excision;trapping and excision;revascularization and excision;anastomosis only. We took subtemporal approach under the surgical microscope and trapping & excision was performed in several steps:proximal clipping of the PCA distal to the Pcom-PCA junction;reducing volume of the mass through piecemeal resection of the aneurismal wall;distal clipping of the PCA;total excision and final trapping just proximal and distal to the origin of the aneurysm. We are discussing the characteristics of the giant serpentine aneurysm, precognition of rich collateral circulation of the PCA distal to trapping and surgical management of the giant serpentine aneurysm.
Aneurysm*
;
Arteries
;
Collateral Circulation
;
Oculomotor Nerve
;
Paresis
;
Passive Cutaneous Anaphylaxis
;
Posterior Cerebral Artery*
5.A Case of Primary Malignant Leptomeningeal Melanoma of the Spinal Cord: Case Report.
Gi Hwan CHOI ; Tae Hee RYU ; Hyung Tae YEO ; Zoo Hyoung PARK ; Jung Kil RHEE
Journal of Korean Neurosurgical Society 1984;13(1):179-183
The primary malignant melanoma of spinal cord is a rare tumor cause of compression of the cord 6)7). We are reporting a case of malignant melanoma, apparently originating from leptomeninges, of with diffuse neoplastic process widely spreaded over the area of cervicothoracic spinal cord of 34-yr-old woman.
Female
;
Humans
;
Melanocytes
;
Melanoma*
;
Spinal Cord*
6.Von Hippel-Lindau's Disease: Case Report.
Tae Hee RYU ; Sang Geun KIM ; Gi Hwan CHOE ; Hyung Tae YEO ; Jung Kil RHEE
Journal of Korean Neurosurgical Society 1987;16(4):1201-1210
Although cases of von Hippel-Lindau syndrome are not rare, the fact that hemangioblastomans can occur at sites in the nervous system other than the cerebellum is not appreciated. We are reporting a case of VHL complex in 23-year-old male. In this case, there were multiple cerebellar hemangioblastomas, retinal angiomas, multiple spinal hemangioblastomas, syringomyelia, and papillary cystadenoma of epididymis. There was no evidence of polycythe mia or abnormality of other organs. Large cystic cerebellar hemangioblastomas were removed surgically and papillary cystadenoma of epididymis were excised, too. Total laminectomy of T2, T3 and T4 revealed abnormal meningeal varicosities, enlarged spinal cord, inra-axial hemangioblastomas, and syringomyelia.
Cerebellum
;
Cystadenoma, Papillary
;
Epididymis
;
Hemangioblastoma
;
Hemangioma
;
Humans
;
Laminectomy
;
Male
;
Nervous System
;
Retinaldehyde
;
Spinal Cord
;
Syringomyelia
;
von Hippel-Lindau Disease
;
Young Adult
7.A Case of An Inverted Papilloma Originating From a Lacrimal Sac
Gi Hwan RYU ; Su-Jong KIM ; Il-Ho PARK ; Jae-Min SHIN
Korean Journal of Otolaryngology - Head and Neck Surgery 2023;66(2):123-126
Inverted papillomas are benign but invasive tumors with malignant potential characterized by a high recurrence rate. Although most cases arise from the nasal wall and paranasal sinuses, inverted papillomas originating from the nasolacrimal system have been rarely reported. We describe a rare case of an inverted papilloma in the left nasal cavity, which originated from the lacrimal sac in a 40-year-old female who had a medical history of endoscopic dacryocystorhinostomy at the department of ophthalmology. At first, it was believed to be an inverted papilloma simply occurring in the nasal cavity, but after several recurrences, it was found to originate from the lacrimal sac. All intranasal lesions and the involved lacrimal sac were removed through cooperative surgery between department of otolaryngology and ophthalmology. This case illustrates the importance of including nasolacrimal system in differentiating the origin of inverted papilloma.
8.Good’s Syndrome Presenting With Chronic Rhinosinusitis (1 Case Report)
Gi Hwan RYU ; Jee Won MOON ; Jae Min SHIN ; Il-Ho PARK
Korean Journal of Otolaryngology - Head and Neck Surgery 2022;65(3):169-173
The Good’s syndrome is a rare immunodeficiency disease characterized by thymoma and hypogammaglobulinemia. The most common cause of infection in patients with Good’s syndrome is the recurrent sinopulmonary infection. One may assume that there could be an unknown immunocompromising condition such as Good’s syndrome in cases of chronic rhinosinusitis refractory to treatment. We experienced a patient with Good’s syndrome, presenting with chronic rhinosinusitis refractory to treatment. We report this case with a brief review of the literature.
9.Cognitive Behavioral Therapy in Korean Tinnitus Patients
Angela Yun KIM ; Gi-Hwan RYU ; Hyunseok CHOI ; June CHOI ; Gi Jung IM ; Sung-Won CHAE ; Jae-Jun SONG
Korean Journal of Otolaryngology - Head and Neck Surgery 2021;64(11):844-850
Cognitive behavioral therapy, first introduced by Beck in the 1950s to treat depression by integrating cognitive and behavioral therapies, is now an established psychotherapy technique used to treat insomnia, chronic pain, and anxiety. Currently, cognitive behavioral therapy is widely used to treat tinnitus in European countries, and the efficacy and safety of the treatment have been proven through randomized clinical trials and meta-analyses. Although interest in cognitive behavioral therapy for tinnitus is increasing in Korea, there are limited reports. Because many studies so far have targeted patients in Western countries, it is difficult to apply the same to domestic patients due to cultural and linguistic differences, the absence of standardized guidelines, and limitations in clinic hours. We experienced various cases in which tinnitus was effectively treated simultaneously with pharmacotherapy and cognitive behavioral therapy, so here we report an introduction to the program along with a literature review. Cognitive behavioral therapy was performed as a 4-week program in our hospital, and progress was evaluated through Visual Analogue Scales (VAS) and tinnitus handicap inventory (THI). After each weekly 20-minute individual counseling session, a take-home writing task was given to the patient. The main goal was to guide the patient to discover and correct automatic thoughts related to their tinnitus symptoms. This paper aimed to introduce a specific scheme on how to perform cognitive behavioral therapy for domestic tinnitus patients.
10.A Comparson of Cytologic Diagnosis to Histologic Diagnosis in the Patients with Carcinoma In Situ and Microinvasive Carcinoma Treated with Surgical Excisions.
Soo Cheol YOON ; Gi Hwan GONG ; Sun An JUNG ; Young Seuk CHOI ; Ki Sung RYU ; Ku Taek HAN ; Jong Gu RHA ; Hun Young LEE ; Soo Pyung KIM
Korean Journal of Obstetrics and Gynecology 1997;40(12):2770-2779
No abstract available.
Carcinoma in Situ*
;
Diagnosis*
;
Humans