1.Rescue endovascular treatment for rapid regrowth of aneurysm remnant on middle cerebral artery trunk after unsuccessful surgical clipping in patients with a ruptured cerebral aneurysm: A report of two cases
Hyun Wook CHO ; Donghwan JANG ; Hyo Sub JUN
Journal of Cerebrovascular and Endovascular Neurosurgery 2021;23(2):117-122
We report two rare cases treated with coiling after rapid regrowth (within a month) of an aneurysm remnant on the middle cerebral artery (MCA) trunk after incomplete surgical clipping. The first case, a 47-year-old man with subarachonoid hemorrhage (SAH) (Hunt-Hess grade II, Fisher grade III) underwent clipping of a ruptured saccular aneurysm with a wide neck on the right early frontal branch arising from the MCA trunk. Incomplete clipping with a 1 mm sized remnant neck was performed to avoid sacrificing the lenticulostriate artery. In a follow-up cerebral angiogram on postoperative day 30, a rapid regrowth of the aneurysm remnant was observed, and on that day, complete obliteration was obtained by rescue endovascular treatment. The second case, a 48-year-old healthy woman with SAH (Hunt-Hess grade II, Fisher grade III) underwent clipping of an anteroposteriorly projecting bilobulated aneurysm on the left M1. Incomplete clipping with a minimal remnant neck was performed. In follow-up digital subtraction angiogram on postoperative day 30, a rapid regrowth of an aneurysm remnant involving only a part of the initial aneurysm near the neck was observed, and on that day, complete obliteration was obtained by rescue coiling. These patients were both discharged without any neurological deficits.
2.Rescue endovascular treatment for rapid regrowth of aneurysm remnant on middle cerebral artery trunk after unsuccessful surgical clipping in patients with a ruptured cerebral aneurysm: A report of two cases
Hyun Wook CHO ; Donghwan JANG ; Hyo Sub JUN
Journal of Cerebrovascular and Endovascular Neurosurgery 2021;23(2):117-122
We report two rare cases treated with coiling after rapid regrowth (within a month) of an aneurysm remnant on the middle cerebral artery (MCA) trunk after incomplete surgical clipping. The first case, a 47-year-old man with subarachonoid hemorrhage (SAH) (Hunt-Hess grade II, Fisher grade III) underwent clipping of a ruptured saccular aneurysm with a wide neck on the right early frontal branch arising from the MCA trunk. Incomplete clipping with a 1 mm sized remnant neck was performed to avoid sacrificing the lenticulostriate artery. In a follow-up cerebral angiogram on postoperative day 30, a rapid regrowth of the aneurysm remnant was observed, and on that day, complete obliteration was obtained by rescue endovascular treatment. The second case, a 48-year-old healthy woman with SAH (Hunt-Hess grade II, Fisher grade III) underwent clipping of an anteroposteriorly projecting bilobulated aneurysm on the left M1. Incomplete clipping with a minimal remnant neck was performed. In follow-up digital subtraction angiogram on postoperative day 30, a rapid regrowth of an aneurysm remnant involving only a part of the initial aneurysm near the neck was observed, and on that day, complete obliteration was obtained by rescue coiling. These patients were both discharged without any neurological deficits.
3.Role of tyrosine kinases in vascular contraction in deoxycorticosterone acetate-salt hypertensive rats.
Cheol Ho YEUM ; Jae Yeoul JUN ; Hyo Sub CHOI
The Korean Journal of Physiology and Pharmacology 1997;1(5):547-553
It has been known that activation of tyrosine kinases is involved in signal transduction. Role of the tyrosine kinase in vascular smooth muscle contraction was examined in deoxycorticosterone acetate (DOCA)-salt hypertensive rats. Male Sprague-Dawley rats underwent uninephrectomy, one week after which they were subcutaneously implanted with DOCA (200 mg/kg) and supplied with 1% NaCl and 0.2% KCl drinking water for 4-6 weeks. Control rats were treated the same except for that no DOCA was implanted. Helical strips of carotid arteries were mounted in organ baths for measurement of isometric force development. Genistein was used as a tyrosine kinase inhibitor. Concentration-response curves to 5-hydroxytryptamine (5-HT) shifted to the right by genistein in both DOCA-salt hypertensive and control rats. Although the sensitivity to genistein was similar between the two groups, the maximum force generation by 5-HT was less inhibited by genistein in arteries from DOCA-salt hypertensive rats than in those from controls. Genistein-induced relaxations were attenuated in arteries from DOCA-salt rats. Genistein affected the contraction to phorbol 12, 13-dibutyrate (PDBu) neither in DOCA-salt nor in control arteries. These observations suggest that tyrosine kinase is involved in 5-HT-induced vascular contraction, of which role is reduced in DOCA-salt hypertension.
Animals
;
Arteries
;
Baths
;
Carotid Arteries
;
Desoxycorticosterone Acetate
;
Desoxycorticosterone*
;
Drinking Water
;
Genistein
;
Humans
;
Hypertension
;
Male
;
Muscle, Smooth, Vascular
;
Phosphotransferases*
;
Protein-Tyrosine Kinases
;
Rats*
;
Rats, Sprague-Dawley
;
Relaxation
;
Serotonin
;
Signal Transduction
;
Tyrosine*
4.Analysis of Risk Factor for the Development of Chronic Subdural Hematoma in Patients with Traumatic Subdural Hygroma.
Jun Hyong AHN ; Hyo Sub JUN ; Ji Hee KIM ; Jae Keun OH ; Joon Ho SONG ; In Bok CHANG
Journal of Korean Neurosurgical Society 2016;59(6):622-627
OBJECTIVE: Although a high incidence of chronic subdural hematoma (CSDH) following traumatic subdural hygroma (SDG) has been reported, no study has evaluated risk factors for the development of CSDH. Therefore, we analyzed the risk factors contributing to formation of CSDH in patients with traumatic SDG. METHODS: We retrospectively reviewed patients admitted to Hallym University Hospital with traumatic head injury from January 2004 through December 2013. A total of 45 patients with these injuries in which traumatic SDG developed during the follow-up period were analyzed. All patients were divided into two groups based on the development of CSDH, and the associations between the development of CSDH and independent variables were investigated. RESULTS: Thirty-one patients suffered from bilateral SDG, whereas 14 had unilateral SDG. Follow-up computed tomography scans revealed regression of SDG in 25 of 45 patients (55.6%), but the remaining 20 patients (44.4%) suffered from transition to CSDH. Eight patients developed bilateral CSDH, and 12 patients developed unilateral CSDH. Hemorrhage-free survival rates were significantly lower in the male and bilateral SDG group (log-rank test; p=0.043 and p=0.013, respectively). Binary logistic regression analysis revealed male (OR, 7.68; 95% CI 1.18–49.78; p=0.033) and bilateral SDG (OR, 8.04; 95% CI 1.41–45.7; p=0.019) were significant risk factors for development of CSDH. CONCLUSION: The potential to evolve into CSDH should be considered in patients with traumatic SDG, particularly male patients with bilateral SDG.
Craniocerebral Trauma
;
Follow-Up Studies
;
Hematoma, Subdural, Chronic*
;
Humans
;
Incidence
;
Logistic Models
;
Male
;
Retrospective Studies
;
Risk Factors*
;
Subdural Effusion*
;
Survival Rate
5.Spinal Subdural Hematoma Following Meningioma Removal Operation.
Hyo Sub JUN ; Jae Keun OH ; Young Seok PARK ; Joon Ho SONG
Korean Journal of Spine 2014;11(1):12-14
Although blood contamination of cerebrospinal fluid (CSF) after an intracranial operation can occur, the development of a symptomatic spinal hematoma after craniotomy has been anecdotally reported and it is uncommon reported after a supratentorial meningioma removal operation. We report a case of spinal subdural hematoma following a supratentorial meningioma removal operation and discuss the mechanism of spinal subdural hematoma (SSDH) development. A 54-year-old woman presented with lumbago and radicular pain on both legs 4 days after a right parietooccipital craniotomy for meningioma removal. Only the straight leg raising sign was positive on neurologic examination but the magnetic resonance imaging (MRI) demonstrated a lumbosacral spinal subdural hematoma. The patient received serial lumbar tapping, after which her symptoms showed improvement.
Cerebrospinal Fluid
;
Craniotomy
;
Female
;
Hematoma
;
Hematoma, Subdural, Spinal*
;
Humans
;
Leg
;
Low Back Pain
;
Magnetic Resonance Imaging
;
Meningioma*
;
Middle Aged
;
Neurologic Examination
6.Spontaneous Regression of Aneurysm Remnant after Incomplete Surgical Clipping in a Patient with Ruptured Cerebral Aneurysm.
Hyo Sub JUN ; JunHyong AHN ; Joon Ho SONG ; In Bok CHANG
Journal of Cerebrovascular and Endovascular Neurosurgery 2016;18(4):402-406
Cases of spontaneous regression of cerebral aneurysm remnant after incomplete surgical clipping have been rarely reported. This paper reports the regression of an aneurysm remnant after incomplete surgical clipping during postsurgical follow-up. A 50-year-old male presented with subarachnoid hemorrhage because of rupture of an anterior communicating artery aneurysm. An emergency clipping of the aneurysm was performed. A cerebral angiography, which was performed two weeks postoperatively, revealed an aneurysm remnant. The patient refused additional treatment and was discharged without apparent neurological deficit. One-year follow up cerebral angiography demonstrated a partially regressed aneurysm remnant.
Aneurysm*
;
Cerebral Angiography
;
Emergencies
;
Follow-Up Studies
;
Humans
;
Intracranial Aneurysm*
;
Male
;
Middle Aged
;
Rupture
;
Subarachnoid Hemorrhage
;
Surgical Instruments*
7.Immunohistochemical Study on the Expression of Thymidine Phosphorylase and Ki-67 in the Uterine Cervical Neoplasia.
Sub JUN ; Hyo Sang HAN ; Chang Jin KIM ; Dong Han BAE ; Min Kwan KIM
Korean Journal of Obstetrics and Gynecology 2002;45(6):1033-1039
OBJECTIVE: We evaluated the relationship between the expression of Ki-67 and thymidine-phosphorylase (TP) according to the cancerous progression of uterine cervical cancer with immunohistochemical method. METHODS: The material was obtained from hysterectomized uterus and punched cervical specimen for two years from 1998 to 1999 at the Soonchunhyang Chunan hospital. The material included 15 normal epithelium, 13 CIN I/II, 21 CIN III, 15 microinvasive carcinoma and 13 invasive carcinoma. Monoclonal antibodies of Ki-67 and TP were used for immunohistochemical determination of cellular proliferation and angiogenic activity. RESULTS: 1. The positive rate of thymidine phosphorylase in each group of normal epithelium, CIN I/II, CIN III, microinvasive carcinoma and invasive carcinoma were 6.7%, 23.1%, 38.0%, 73.3%, 84.6% respectively. 2. The labeling indexes of Ki-67 in each group of normal epithelium. CIN I/II, CIN III, microinvasive carcinoma and invasive carcinoma were 2.0+/-0.7, 26+/-5.4, 41.2+/-10.1, 74.7+/-9.3 respectively. 3. There was statistically significant relationship between TP and Ki-67 expression. CONCLUSION: The above results indicates that the angiogenic activities and cellular proliferation indices increase according to the invasiveness of cervical cancer. We were able to reveal the expression of TP and Ki-67 and their relationship in cervical carcinoma.
Antibodies, Monoclonal
;
Cell Proliferation
;
Chungcheongnam-do
;
Epithelium
;
Thymidine Phosphorylase*
;
Thymidine*
;
Uterine Cervical Neoplasms
;
Uterus
8.The Effect of the Pedicle-Facet Angle on Degenerative Cervical Spondylolisthesis.
Hyung Cheol KIM ; Hyo Sub JUN ; Ji Hee KIM ; In Bok CHANG ; Joon Ho SONG ; Jae Keun OH
Journal of Korean Neurosurgical Society 2015;58(4):341-345
OBJECTIVE: To measure the orientation of the facet joints of cervical spine (C-spine) segments in the sagittal plane, known as the pedicle-facet (P-F) angle, and to use these measurements to evaluate the relationship between the P-F angle and the amount of vertebral anterolisthesis in patients with degenerative cervical spondylolisthesis (DCS). METHODS: A retrospective case-control study was performed including 30 age- and sex-matched patients with DCS and 30 control participants. Anterior-posterior and lateral view radiographs of the C-spine were obtained in a standing position. The P-F angle at all cervical levels and the amount of anterolisthesis at C4-5 were measured from lateral view plain radiographs. RESULTS: The P-F angles at C4-5 were 141.14+/-7.14degrees for the DCS group and 130.53+/-13.50degrees (p=0.012) for the control group, and at C5-6 were 137.46+/-8.53degrees for the DCS group and 128.53+/-16.01degrees for the control group (p=0.001). The mean P-F angle at C4-5 did not correlate with the amount of anterolisthesis (p=0.483). The amount of anterior slippage did correlate with age (p<0.001). CONCLUSION: The P-F angle was intrinsically higher at C4-5, compared to C5-6, in both the DCS and control groups, which might explain the increased likelihood for anterolisthesis of C4. Higher P-F angles in the DCS group may be a predisposing factor to slippage. The P-F angle may interact with age to increase incidence of anterolisthesis with increasing age.
Case-Control Studies
;
Causality
;
Humans
;
Incidence
;
Retrospective Studies
;
Spine
;
Spondylolisthesis*
;
Zygapophyseal Joint
9.Dual Miniplate Fixation for the Comminuted Fractures of the Hand.
Heung Sub SHIN ; Hyo Kon KIM ; Sung Han HA ; Sun O YU ; Gi Jun LEE
Journal of the Korean Society for Surgery of the Hand 2011;16(2):78-84
PURPOSE: The objective of this study was to evaluate clinical results of dual miniplate fixation for comminuted or periarticular fractures of the hand. MATERIALS AND METHODS: Twenty cases in 18 patients who had comminuted or periarticular fractures of metacarpal or phalangeal bones were treated with dual miniplate fixation from April, 2007 to May, 2009. The mean followed up period was 14.7 months. Our study included comminuted or periarticular fractures which were difficult to keep the fixation by pining or single plating. We evaluated radiologic bony union, angular or rotational deformity, extensor tendon irritaion and total arc of motion. RESULTS: Bony union was achieved successfully after primary dual miniplate fixationin in 12 cases. In 7 cases with a nonunion following previous operative fixation, bony union was obtained by dual miniplate fixation and bone grafting. In one case who had received primary dual plate fixation, nonunion occurred due to massive bone defect. Bony union was obtained by secondary dual plate fixation and bone grafting. Postoperative rotational deformity, angular deformity and irritation symptom were not observed in all cases. Functionally acceptable range of active motion was restored by way of early active motion. CONCLUSION: The dual miniplate fixation is one of the useful method for comminuted metacarpal or phalangeal fractures which cannot obtain firm fixation by other methods.
Bone Transplantation
;
Congenital Abnormalities
;
Fractures, Comminuted
;
Hand
;
Humans
;
Tendons
10.Febrile Ulceronecrotic Pityriasis Lichenoides et Varioliformis Acuta in a child.
Young Chang CHA ; Hyo Sub RYU ; Seok Jong LEE ; Do Won KIM ; Jae Bok JUN
Korean Journal of Dermatology 2002;40(1):58-62
Febrile ulceronecrotic pityriasis lichenoides et varioliformis acuta (PLEVA) is a very rare cutaneous disorder clinically characterized by the acute onset of erythematous papules, vesicles and large coalescent ulceronecrotic lesions on the whole body accompanied by high fever and severe constitutional symptoms. In general, ulceronecrotic lesion is preceded by a typical rash of PLEVA. Histopathologically, it shows widespread epidermal necrosis and fibrinoid necrosis of blood vessel walls in addition to the superficial and deep perivascular lymphocytic infiltrations. Several regimens including systemic corticosteroid, antibiotics, methotrexate or ultraviolet therapy have been challenged in this disorder . We report a typical case of febrile ulceronecrotic PLEVA in a 10-year-old child who showed a dramatic response to methotrexate.
Anti-Bacterial Agents
;
Blood Vessels
;
Child*
;
Exanthema
;
Fever
;
Humans
;
Methotrexate
;
Necrosis
;
Pityriasis Lichenoides*
;
Pityriasis*
;
Ultraviolet Therapy