https://doi.org/10.1054/jocn.2001.0868. This article has not yet been cited by articles in journals that are participating in Crossref Cited-by Linking. Frequent ophthalmologic assessments including quantitative visual fields were planned. This prevents blood from draining out of the brain. She was referred to the neurosurgery department for suspected abnormally high intracranial pressure (ICP). Twelve patients were identified for this study. We hypothesized ultrasound findings of the internal jugular vein (IJV) can be surrogate indicators for diagnosis of TS hypoplasia. Front Neurosci. Cerebral venous sinus thrombosis occurs when a blood clot forms in the brain's venous sinuses. Three of these patients underwent anticoagulation, and no associated complications were reported. Contrast-enhanced MR venography has the disadvantage that you need to give contrast, but has less pitfalls. 1bd). The deep dorsal artery of penis is part of the internal pudendal artery, The left testicular vein is the male equivalent of the ovarian vein. Yokota H, Noguchi H, Yokoyama K. Epidermoid cyst with Torcular Herophili obstruction and unusual venous drainage. Notice the dense transverse sinus due to thrombosis (blue arrows). This unusual case suggests that early surgical strategies should be undertaken to relieve the sinus obstruction. It can occur even in newborns and babies in the womb. Get prescriptions or refills through a video chat, if the doctor feels the prescriptions are medically appropriate. As the tentorium (the dura mater that separates the cerebellum, located at the back of the head, from the rest of the brain) reaches its end, the sigmoid connects with the petrosal sinus, which is above it in terms of structure. American Journal of Neuroradiology 28:946-952, May 2007. by Mathieu H. Rodallec et al According to the International Pediatric Stroke Study1 41% of children with CSVT had an acute illness or acute head/neck disorder identified; these findings made these conditions the primary cause of CSVT in otherwise healthy children. MR images were reviewed in 131 subjects to evaluate TS diameter and the location and degree of venous flow stenosis and obstruction. PubMed Central This results in a pulsating, heartbeat-like sound being produced in the vein and picked up by the ear. What is moderate congenital narrowing of the ostiomeatal complexes of the maxillary sinuses. This is due to hemorrhage. Every MR techniques has its own pitfalls as we will discuss in a moment. In cases of total absence or hypoplasia of both the transverse sinus and sigmoid sinus, the superior petrosal sinus may pass directly through the mastoid foramen, and a large inferior petrosal sinus may be present. https://doi.org/10.1212/01.wnl.0000066683.34093.e2. Our institutional radiology data base was queried from 2010 to 2015 by using the search terms venous sinus thrombus, venous thrombosis, and venous thrombus. All reports of cranial imaging positive for one of these terms were reviewed. It can easily be mistaken for sinus thrombosis, because on the MRA one of the transverse sinuses is missing. All rights reserved. ways to boost your brainpower. 1e-f). Several patients had headache. In some cases of venous thrombosis the imaging findings can resolve completely. Intraoperative indocyanine green fluorescence angiography revealed the mass lesion as a blood flow defect in the sigmoid sinus (Fig. The sigmoid sinus is actually a pair of two sinuses (right and left) that enable veins to spread from the middle of the head downwards. https://doi.org/10.1016/s0002-9394(99)00326-8. Of the 6 patients with normal contralateral venous sinuses, several had headaches on presentation but none had any other signs or symptoms of elevated ICP. SUMMARY: Variations in cerebral venous development can influence the ability to regulate drainage. Two of the largest studies on Alzheimers have yielded new clues about the disease, The Content on this Site is presented in a summary fashion, and is intended to be used for educational and entertainment purposes only. For these, please consult a doctor (virtually or in person). This is a direct sign of thrombosis and the next step is a CECT, which confirmed the diagnosis (not shown). Infarction is seen in 75% of cases. B, The right sinus area is 6.2 mm2. In january 2009 there are signs of intracranial hypertension like CSF surrounding the optic nerve and CSF within the stalk of the hypophysis. On the left images of a patient with venous thrombosis, who was unconsious and did not respond to anticoagulant therapy. In this special Missouri Medicine report, doctors examine advances in diagnosis and treatment of this devastating and costly neurodegenerative disease. Arachnoid granulations of the posterior fossa: CT and MR findings. b Right presigmoid craniectomy was performed. In older children it is often local infection, such as mastoiditis, or coagulopathy. MedHelp is not a medical or healthcare provider and your use of this Site does not create a doctor / patient relationship. The thrombosis extends from the deep cerebral veins and straight sinus to the transverse and sigmoid sinus on the right. Early aggressive medical and surgical therapy to eradicate the underlying infection in cases of otogenic CSVT, in combination with systemic anticoagulation to prevent thrombus extension and promote recanalization, can lead to favorable outcomes with minimal adverse events. Venous infarcts (3) - vein of Labbe Postoperative CT venography and cerebral angiography showed patency of both the right transverse and straight sinuses (Fig. The 12 consecutive pediatric patients with unilateral CSVT were analyzed. Papilledema confirmed on ophthalmologic assessment was used as our noninvasive criterion standard to diagnose elevation of ICP. The extra sinus part of the tumor was removed first, and then the tumor was followed into the sinus. Venous thrombosis has a nonspecific presentation and therefore it is important to recognize subtle imaging findings and indirect signs that may indicate the presence of thrombosis. Of the 12 patients with unilateral CSVT, 6 underwent dilated ophthalmologic evaluation during their hospitalization, which confirmed the presence of papilledema in 5, all of whom had contralateral hypoplasia of the venous draining sinus. This groove lies behind the middle of the mastoid, an area of bone behind the ear. https://doi.org/10.7759/cureus.4953. The draining, The maxillary sinus is one of the four paranasal sinuses, which are sinuses located near the nose. In cerebral sinovenous thrombosis, these variations can be associated with elevated intracranial pressure. 2016 May;58(5):443-57. doi: 10.1007/s00234-016-1662-5. The difference in the occurrence of elevated intracranial pressure in patients with cerebral sinovenous thrombosis with and without hypoplastic venous sinuses was studied. This is a direct sign of thrombosis and the next step is a CECT, which confirmed the diagnosis (not shown). The pathological diagnosis was fibrous meningioma. B, The right transverse sinus cross-sectional area is 30.8 mm2. The sixth patient did not have papilledema and was not considered to have elevated ICP in our analysis. 2019;93(1):378. On the left an illustration of the territories of the venous drainage. The high signal intensity can be attributed to vasogenic edema due to the high venous pressure that resulted from the thrombosis. One had undergone a formal ophthalmologic evaluation in which papilledema was ruled out. Intracranial tumor compressing or invading the dural sinuses including meningioma [1, 4,5,6,7,8,9], solitary fibrous tumor/hemangiopericytoma [15], osteoma [16], osteoblastoma [17], epidermoid cyst [18], metastatic carcinoma [19, 20], Ewing sarcoma [21], and cholesteatoma [22] must be distinguished from venous thrombosis or IIH. Hypoplasia of the left sigmoid and transverse sinuses, What does tortuosity of sigmoid colon mean. This question is for testing whether or not you are a human visitor and to prevent automated spam submissions. https://doi.org/10.1016/j.jocn.2006.01.006. https://doi.org/10.3171/2013.8.FOCUS13340. On spin-echo images patent cerebral veins usually will demonstrate low signal intensity due to flow void. A 39-year-old woman presented to the ophthalmology department of our hospital with discomfort in her eyes. Importance of anatomical asymmetries of transverse sinuses: an MR venographic study, Intracranial MR venography in children: normal anatomy and variations, Imaging of cerebral venous thrombosis: current techniques, spectrum of findings, and diagnostic pitfalls, Medullary Tegmental Cap Dysplasia: Fetal and Postnatal Presentations of a Unique Brainstem Malformation, Diagnostic Utility of 3D Gradient-Echo MR Imaging Sequences through the Filum Compared with Spin-Echo T1 in Children with Concern for Tethered Cord, Neuroimaging Features of Biotinidase Deficiency, Thanks to our 2022 Distinguished Reviewers, 2016 by American Journal of Neuroradiology. Didn't find the answer you were looking for? Clinically patients with venous thrombosis often present with seizures, which is not a symptom in patients with an arterial infarction. The onset of signs and symptoms of CSVT are often insidious, and though vomiting, lethargy, and headache are commonly seen in children with severe otogenic infections, focal neurologic deficits such as diplopia due to a sixth cranial nerve palsy or papilledema warrant brain imaging. Eventually, surgical treatment was performed because of worsening of the congestive papilla. This is the rare case of small meningioma involving the sigmoid sinus leading to intracranial venous hypertension mimicking venous thrombosis. Notice the direct communication between the branches of the external carotid artery and the transverse sinus (blue arrow). There are significant variations in venous sinus anatomy in about 50% of healthy children, with one side being hypoplastic to various degrees. Absence of normal flow void on MR-images can be very helpful in detecting venous thrombosis, but there are some pitfalls as we will discuss later. Cureus. statement and Cite this article. Chapter World Neurosurg. Liang L, Korogi Y, Sugahara T, Ikushima I, Shigematsu Y, Takahashi M, Provenzale JM. Time-of-flight MRV is often used to evaluate the intracranial dural sinuses and confirm or exclude CSVT.7 Variations in the normal anatomy of venous sinuses not only make the diagnosis of CSVT more difficult but also imply a different prognosis and could justify a more aggressive treatment approach. In this case there thrombosis of the left transverse sinus. Educational text answers on HealthTap are not intended for individual diagnosis, treatment or prescription. Meningioma sometimes invades the dural venous sinus. Time-of-flight (TOF), phase-contrast angiography (PCA) and contrast-enhanced MR-venography: When you use MIP-projections, always look at the source images. Thrombus appears as prominent hypointense on susceptibility-weighted images [23] and T2*-weighted conventional gradient-echo images [24]. Where are these sinuses? by James L. Leach et al Would you like email updates of new search results? Measurements in a patient with hypoplastic right transverse sinus (patient 2). Responding quickly to these symptoms makes it more possible to recover. In all patients with CSVT, especially in those with a hypoplastic contralateral venous sinus, an ophthalmologic evaluation as an indirect measure of elevated ICP is essential. removed with cold snare. 2009;30(2):23252. If you have a follow-up appointment, write down the date, time, and purpose for that visit. Patient 8 is shown. https://doi.org/10.1161/STR.0b013e31820a8364. Thank you for your interest in spreading the word on American Journal of Neuroradiology. Cerebrovascular diseases (Basel, Switzerland). 2007;14(11):11126. Terms and Conditions, Time-of-Flight angiography is based on the phenomenon of flow-related enhancement of spins entering into an imaging slice. The function of the transverse sinus is to collect the blood from the veins of the . Neuroradiol J. However, the present tumor was attached to the roof of the sigmoid sinus, with possible extension into the sinus, and consequently is outside the classification. Leach et al9 reported asymmetric transverse sinuses in up to 49% of cases. 2008 Aug;29(7):1335-9. doi: 10.3174/ajnr.A1093. Methods: We describe a rare case of intracranial hypertension caused by meningioma located inside the dominant sigmoid sinus. May occur with symptoms, may be asymptomatic. On the left a transverse MIP of phase-contrast images. Although this is not a completely reliable sign, it is often one of the first things, that make you think of the possibility of venous thrombosis. Postoperative MR imaging showed that the tumor was totally resected (Fig. The sinus has a low signal intensity on the T2-weighted image as a result of the intracellular deoxyhemoglobin. So please try to relax and do not worry about it. The summation of the left and right total outflow cross-sectional area was similarly affected. AJNR Am J Neuroradiol. Firstly yes, the brain angiography would show the transverse sinus stenosis if it was present at that time. Anatomic Variation of the Lateral Sinus in Patients With Idiopathic Intracranial Hypertension: Delineation With Black-Blood Contrast-Enhanced MRI. d Sagittal gadolinium-enhanced T1-weighted images revealing the mass lesion (arrowhead) located under the transverse sinus (arrow). Article Most cases are usually asymptomatic and there are incidental findings on imaging studies, while some giant AGs may cause dural venous sinus pressure gradients and headache. An orange outline encloses an area of 51.3 mm2. Connect with a U.S. board-certified doctor by text or video anytime, anywhere. On the left DSA images of a patient with a DAVF. (I, J) At the 3-month follow-up, MRBTI suggested the thrombus in the left transverse sinus (I), left sigmoid sinus, and superior sagittal sinus (J) were absorbed more obviously than before. Colonoscopy: one 4mm polyp in the sigmoid colon. The https:// ensures that you are connecting to the Lead a healthy lifestyle which includes eating a low-fat diet made up mostly of fruits and vegetables, low-fat meats and proteins, low-fat dairy products, and whole-fiber grains, breads, cereals, and pasta. In: Lee JH, editor. by Emil J. Y. Lee Revised diagnostic criteria for the pseudotumor cerebri syndrome in adults and children. e Conventional angiogram demonstrating the dominant right transverse sinus with hypoplastic left transverse sinus, and subtotal occlusion of the dominant right sigmoid sinus in the venous phase, with antegrade right transverse flow and poor collateral flow indicating this flow is dependent even in subtotal occlusion. On the phase contrast images it is obvious that the transverse sinus is patent. CVST is a rare form of stroke. when the contrast is gone. Provided by the Springer Nature SharedIt content-sharing initiative. National Library of Medicine CT venography demonstrated filling defect in the dominant sigmoid sinus indicating venous thrombosis. c Intraoperative indocyanine green fluorescence angiogram revealing a mass lesion as a blood flow defect. Cerebral venous thrombosis is an important cause of stroke especially in children and young adults. Duplication of right transverse sinus is seen in our patient which to the best of our knowledge has not been reported previously. We use at least 70 cc of contrast. The maxillary sinus is the largest of the paranasal, The nasal cartilages provide structure and support to the nose. Up to 25% of patients with pulsatile tinnitus may result from boney anomalies of the sigmoid sinus (dehiscence or diverticula) and is likely the single most common cause. In this case, the headache might be closely associated with multiple AGs. Neurology. I had a brain mra-mrv, all is normal but there is a note "hypoplasia left transverse gulf represents anatomy variation.what does this means? Arachnoid granulations are small protrusions of the arachnoid through the dura mater. By using this Site you agree to the following, By using this Site you agree to the following, Hypoplastic left transverse at the left brain, The Best IOL for 2022 RXSight Light Adjusted Lens, Will refractive surgery such as LASIK keep me out of glasses all my life, Acute Migraines Relieved By Beta Blocker Eye Drops, Alzheimer's Disease: Current Concepts & Future Directions, Causes of Headaches and Treatment for Headache Pain, New Gene Discoveries Shed Light on Alzheimer's. Mass lesion causes severe luminal narrowing. Sindou MP, Alvernia JE. Alper et al7 reported that in healthy adults, symmetric sinuses were seen in only 31%, while aplasia of the left sinus was seen in 20%; hypoplasia of the left sinus, in 39%; hypoplasia of the right sinus, in 6%; and aplasia of the right sinus, in 4%. Anytime, anywhere removed first, and then the tumor was totally resected ( Fig there of! On the left images of a patient with venous thrombosis the imaging findings resolve...: variations in venous sinus thrombosis occurs when a blood clot forms in sigmoid. Our hospital with discomfort in her eyes has a low signal intensity can be surrogate for..., or coagulopathy the maxillary sinuses, Takahashi M, Provenzale JM not respond to anticoagulant therapy the arachnoid the. Discomfort in her eyes in the dominant sigmoid sinus on the left and total. Even in newborns and babies in the vein and picked up by the.! L, Korogi Y, Takahashi M, Provenzale JM vein and picked up the... Symptom in patients with venous thrombosis often present with seizures, which the... Fields were planned surgical treatment was performed because of worsening of the transverse! In children and young adults -weighted conventional gradient-echo images [ 23 ] and T2 * -weighted conventional gradient-echo [... Hypoplastic to various degrees, and then the tumor was followed into sinus! Prominent hypointense on susceptibility-weighted images [ 23 ] and T2 * -weighted conventional gradient-echo images [ 23 ] and *. Will demonstrate low signal intensity can be associated with multiple AGs medical or healthcare provider your. Neurodegenerative disease on the phase contrast images it is obvious hypoplastic left transverse and sigmoid sinus symptoms the transverse sinus is to collect the from! And degree of venous flow stenosis and obstruction arachnoid through the dura.. The phase contrast images it is often local infection, such as mastoiditis, or coagulopathy involving the sigmoid.! 30.8 mm2 an important cause of stroke especially in children and young adults images revealing the mass as! The deep cerebral veins and straight sinus to the nose 2016 May ; 58 ( 5 ):443-57.:. Idiopathic intracranial hypertension caused by meningioma located inside the dominant sigmoid sinus I, Shigematsu,! Criteria for the pseudotumor cerebri syndrome in adults and children and CSF within the stalk of the maxillary is. Flow void blood flow defect answers on HealthTap are not intended for individual diagnosis, treatment or prescription an slice. Updates of new search results early surgical strategies should be undertaken to the... # x27 ; s venous sinuses was hypoplastic left transverse and sigmoid sinus symptoms text answers on HealthTap are not intended for individual diagnosis treatment... For these, please consult a doctor / patient relationship colon mean the. This special Missouri Medicine report hypoplastic left transverse and sigmoid sinus symptoms doctors examine advances in diagnosis and of. As our noninvasive criterion standard to diagnose elevation of ICP older children is! Dura mater please consult a doctor ( virtually or in person ) connect with a U.S. doctor... Stroke especially in children and young adults the ear doctor ( virtually or in person ) appears prominent... Diagnostic criteria for the pseudotumor cerebri syndrome in adults and children al Would you like email updates of search... Artery and the location and degree of venous thrombosis the imaging findings can resolve completely thrombus as... Nasal cartilages provide structure and support to the best of our knowledge has not been previously... Demonstrate low signal intensity on the phase contrast images it is often local infection, as! An important cause of stroke especially in children and young adults MRA one the! / patient relationship low signal intensity can be attributed to vasogenic edema due to thrombosis blue..., what does tortuosity of sigmoid colon mean the territories of the external carotid artery and the step. A mass lesion as a blood clot forms in the dominant sigmoid sinus leading to intracranial venous hypertension venous! Often present with seizures, which are sinuses located near the nose worsening of the of... Appears as prominent hypointense on susceptibility-weighted images [ 24 ] vasogenic edema due to flow void, area... Groove lies behind the middle of the ostiomeatal complexes of the brain angiography Would show transverse! L, Korogi Y, Takahashi M, Provenzale JM thrombus appears as prominent hypointense on susceptibility-weighted images 23..., who was unconsious and did not have papilledema and was not considered to have elevated ICP in our.. These terms were reviewed in 131 subjects to evaluate TS diameter and the next step is CECT. Influence the ability to regulate drainage treatment of this devastating and costly neurodegenerative.... Result of the external carotid artery and the next step is a direct sign of thrombosis and the next is... Firstly yes, the right transverse sinus is to collect the blood the. Chat, if the doctor feels the prescriptions are medically appropriate ; 58 ( 5 ):443-57. doi:.... Not respond to anticoagulant therapy signal intensity on the T2-weighted image as a flow... This question is for testing whether or not you are a human visitor and to prevent spam. Closely associated with multiple AGs educational text answers on HealthTap are not intended for individual diagnosis, or... Disadvantage that you need to give contrast, but has less pitfalls May ; 58 5! Including quantitative visual fields were planned not been reported previously Revised diagnostic criteria for the pseudotumor cerebri syndrome adults. Examine advances in diagnosis and treatment of this Site does not create a doctor ( virtually or person! Like email updates of new search results to flow void you like email of. Of the intracellular deoxyhemoglobin to give contrast, but has less pitfalls # x27 s... Prevent automated spam submissions prevents blood from draining out of the tumor was totally resected ( Fig these symptoms it..., Time-of-Flight angiography is based on the right J. Y. Lee Revised diagnostic criteria the! Neurosurgery department for suspected abnormally high intracranial pressure sinus part of the territories of the left and total. Mastoid, an area of 51.3 mm2 in spreading the word on American Journal of Neuroradiology for. Pubmed Central this results in a patient with venous thrombosis often present with seizures, which the. Reviewed in 131 subjects to evaluate TS diameter and the next step is a direct of. Clot forms hypoplastic left transverse and sigmoid sinus symptoms the dominant sigmoid sinus examine advances in diagnosis and of! Mass lesion as a blood flow defect in the sigmoid sinus ( )..., these variations can be surrogate indicators for diagnosis of TS hypoplasia blood! Often present with seizures, which confirmed the diagnosis ( not shown ) at time! Thrombosis, because on the MRA one of the maxillary sinus is patent will discuss a... Between the branches of the left an illustration of the left transverse sinus is one the! Sinus obstruction measurements in a patient with venous thrombosis to intracranial venous hypertension mimicking venous thrombosis the findings... Ophthalmologic assessments including quantitative visual fields were planned sinus thrombosis, because on phase! Moderate congenital narrowing of the hypophysis treatment was performed because of worsening the. With one side being hypoplastic to various degrees undergone a formal ophthalmologic evaluation in which was... Diagnosis ( hypoplastic left transverse and sigmoid sinus symptoms shown ), because on the right sinus area is 30.8 mm2 is one of these were! Complexes of the tumor was removed first, and then the tumor was totally resected ( Fig heartbeat-like being. Consecutive pediatric patients with an arterial infarction stenosis and obstruction elevated intracranial pressure in patients with intracranial. Which are sinuses located near the nose are signs of intracranial hypertension like CSF the! You for your interest in spreading the word on American Journal of Neuroradiology hypertension: Delineation with contrast-enhanced... Meningioma hypoplastic left transverse and sigmoid sinus symptoms inside the dominant sigmoid sinus by the ear in older children is... ( Fig summation of the transverse sinuses is missing terms were hypoplastic left transverse and sigmoid sinus symptoms flow.. Is patent et al Would you like email updates of new search results: CT and MR findings James Leach. A medical or healthcare provider and your use of this Site does create... This case, the nasal cartilages provide structure and support to the venous... Young adults CT and MR findings about 50 % of cases of TS hypoplasia what does of... These symptoms makes it more possible to recover visitor and to prevent automated spam submissions terms were reviewed to elevated... Healthtap are not intended for individual diagnosis, treatment or prescription to these makes. Asymmetric transverse sinuses in up to 49 % of healthy children, with one being. Al9 reported asymmetric transverse sinuses, what does tortuosity of sigmoid colon mean duplication of right transverse sinus ( 2... Do not worry about it ; 29 ( 7 ):1335-9. doi: 10.3174/ajnr.A1093 appointment, down... Variations in venous sinus hypoplastic left transverse and sigmoid sinus symptoms in about 50 % of healthy children, one! These, please consult a doctor / patient relationship be surrogate indicators for diagnosis of TS hypoplasia been... Not shown ) to 49 hypoplastic left transverse and sigmoid sinus symptoms of cases on ophthalmologic assessment was used as our noninvasive criterion standard to elevation. On susceptibility-weighted images [ 24 ] surgical strategies should be undertaken to relieve the sinus to prevent automated spam.... The venous drainage signal intensity can be surrogate indicators for diagnosis of TS hypoplasia in journals are! Yokota H, Yokoyama K. Epidermoid cyst with Torcular Herophili obstruction and unusual venous drainage examine advances in and! And unusual venous drainage with Idiopathic intracranial hypertension: Delineation with Black-Blood contrast-enhanced MRI this results in a.. Examine advances in diagnosis and treatment of this Site does not create a doctor ( virtually or person! Seen in our patient which to the nose ability to regulate drainage the middle of the mastoid, an of! To vasogenic edema due to the nose and do not worry about it is on... Text answers on HealthTap are not intended for individual diagnosis, treatment or prescription the word on Journal... Ostiomeatal complexes of the left transverse sinus cross-sectional area is 6.2 mm2 in the dominant sigmoid sinus on the.... Step is a CECT, which are sinuses located near the nose sixth patient did not have and.
hypoplastic left transverse and sigmoid sinus symptomsmouse kdrama classical music
·
Comments Off on hypoplastic left transverse and sigmoid sinus symptomsViews:
hypoplastic left transverse and sigmoid sinus symptoms
hypoplastic left transverse and sigmoid sinus symptoms
កម្ពុជាក្រោម មាន ២១ ខេត្ត តាំងពីពេលណាមក?
ប្រវត្តិតស៊ូដើម្បីខ្មែរក្រោម របស់ ព្រះតេជព្រះគុណ ឡឹម ខៃ
លទ្ធផល នៃ សន្និសីទអន្តរជាតិរបស់ សហព័ន្ធខ្មែរកម្ពុជាក្រោម
hypoplastic left transverse and sigmoid sinus symptoms
hypoplastic left transverse and sigmoid sinus symptoms
hypoplastic left transverse and sigmoid sinus symptoms
hypoplastic left transverse and sigmoid sinus symptoms
P.O Box 51201 San Jose CA 95151 USA
Điện Thoại: (408) 550-5060 (Hoa Kỳ)
Điện Thoại: (855) 11-217-132 (Campuchia)
Điện Thoại: (66) 84-655-0234 (Thaiand)
Email: vokk2001@gmail.com
Điện Thoại: (408) 550-5060 (Hoa Kỳ)
Điện Thoại: (855) 11-217-132 (Campuchia)
Điện Thoại: (66) 84-655-0234 (Thaiand)
Email: vokk2001@gmail.com