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Results 301 - 350 of 1086
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Gandjour Joubin - - 2006
This chapter summarizes the diagnostic criteria and reliability of ultrasound detection of intracranial dural arteriovenous fistulae (DAVF), carotid-cavernous fistulae (CCF), and paragangliomas. In arteries feeding DAVF ultrasound shows increased blood flow, systolic and, especially, end-diastolic velocities causing a decreased resistance index (RI), and an increased diameter. The RI of the ...
Triantafyllopoulou Antigone - - 2006
INTRODUCTION: Acute subdural hematoma (SDH) is an infrequent complication after aneurysmal subarachnoid hemorrhage. SDH associated with unruputed intracavernous aneurysm has never been reported. Methods: Single patient case report and review of relevent literature. RESULTS: A 65-year-old woman with an unruptured, thrombosed giant intracavernous aneurysm developed an acute SDH 2 days ...
Kamouchi Masahiro - - 2006
A 65-year-old woman with poorly controlled diabetes presented bilateral miosis, bilateral abducens nerve palsy, and left hemiparesis. On MRI, cavernous sinus thrombosis, subdural empyema and hemorrhagic infarction in the frontotemporal lobe were detected. Cerebral angiogram revealed filling defect in the cavernous sinus with venous congestion but no involvement of internal ...
Dubin Marc G - - 2006
INTRODUCTION: Management of frontal sinus tumors has traditionally been through open approaches with obliteration of the sinus. Recently, increased comfort with endoscopic techniques has made endoscopic resection an alternative to more morbid approaches. However, many skilled endoscopists still champion obliteration of the frontal sinus after the open treatment of large ...
Steiger Hans-Jakob - - 2006
OBJECT: The extradural anterior petrosectomy approach to the pons and midbasilar artery (mid-BA) has the main disadvantage that the extent of resection of the petrous apex cannot be as minimal as desired given that the surgical target field is not visible during bone removal. Unnecessary or excessive drilling poses the ...
Pejković Bozena - - 2006
The cavo-tricuspid isthmus is the term for the part of the right atrium between the ostium of the inferior vena cava and its border--the Eustachian ridge on one side and the tricuspid valve on the other side. In this area lie the coronary sinus ostium with its Thebesian valve, the ...
von Eckardstein Kajetan L - - 2006
The case of a 68-year old woman who underwent surgery for a right parietal parasagittal dural tumour is reported. In the preoperative angiography the straight sinus failed to show. During tumour resection the lateral wall of the parietal superior sagittal sinus was opened and reconstructed. Postoperatively, the patient remained unresponsive. ...
Seruga Tomaz - - 2006
Carotid-cavernous fistulae are abnormal communications between the internal carotid artery and venous compartments of the cavernous sinus. Fistulae are uncommon but well-documented sequelae of craniofacial trauma. The characteristic clinical presentation includes ocular pain, chemosis, exophthalmus and visual disturbances. We report on a 28-year-old man with a history of severe craniocerebral ...
Naesens R - - 2006
A 21-year-old man presented with severe proptosis, chemosis, diplopia and an orbital bruit three weeks after a motor vehicle accident. The intraocular pressure was increased. The suspected diagnosis of a direct carotid-cavernous fistula (CCF) was confirmed by digital substraction arteriography. Placement of a covered stent in the internal carotid artery ...
Baccin C E - - 2005
Summary: Carotid cavernous fistulas (CCF) are mostly post-traumatic and are due to a tear of the internal carotid artery (ICA) inside the cavernous sinus. The improvement of endovascular techniques with venous approach enables the preservation of internal carotid artery patency in most cases when detachable balloons fail in order to ...
Flanagan Dennis - - 2005
There are 3 arteries that supply the maxillary sinus (i.e., the posterior superior alveolar, infraorbital, and posterior lateral nasal arteries), any of which may be encountered during lateral approach sinus elevation surgery. These arteries are ultimate branches of the maxillary artery. Although it has not been reported, there is a ...
Babbitz Jesse D - - 2005
OBJECTIVE AND IMPORTANCE: Although non-aneurysmal vascular compression of the oculomotor nerve is rare, it should be considered in the evaluation of unilateral oculomotor palsy. CLINICAL PRESENTATION: A 36-year-old non-diabetic man presented with two months of intermittent retro-orbital headache and third nerve paresis caused by compression of the oculomotor nerve between ...
Yamashita Shiro - - 2005
A 55-year-old woman presented with consciousness disorders. Computed tomography revealed hemorrhage in the left temporoparietal region. The angiographic diagnosis was progressive sinus thrombosis from the superior sagittal sinus to the bilateral transverse sinuses. Her condition deteriorated despite heparin administration. Therefore, mechanical thrombolysis was performed for sinus thrombosis using a balloon ...
Dachille Giuseppe - - 2005
OBJECTIVE: To evaluate the possible relationship between the basal and dynamic diameter of the cavernous arteries and altered peak diastolic (PDV) and systolic values (PSV) in patients undergoing penile Doppler ultrasound for differential diagnosis of erectile dysfunction (ED). MATERIALS AND METHODS: From December 2003 to December 2004 we examined 132 ...
Inoue Tomohiro - - 2005
BACKGROUND: Traumatic aneurysm of the cavernous internal carotid artery (ICA) with extension into the subarachnoid space is associated with increased risk of fatality especially when it is accompanied by severe subarachnoid hemorrhage (SAH). Only cases of patients who survived the acute stage and who were treated in a delayed setting ...
Huynh-Le Phuong - - 2005
OBJECTIVE: We examined the surgical anatomy of the ophthalmic artery (OA) by dissection of cadaver heads, evaluating the anatomic relationships between the origin of the OA and both its proximal course and surrounding structures. In addition, we demonstrated the surgical application of these anatomic features for safe surgical exploration of ...
Satoh Motoyoshi - - 2005
BACKGROUND: Intracranial dural arteriovenous fistulas (AVFs) with spinal perimedullary venous drainage are rarely reported, but most of the patients initially have presented with myelopathy or subarachnoid hemorrhage. This is the first report of the intracranial dural AVF patient who presented with brain stem infarction. CASE DESCRIPTION: A 38-year-old woman experienced ...
Ikeda Kazuyo - - 2005
A 55-year-old woman developed an intractable right orbitofrontal headache. The symptoms subsided spontaneously 2 months after onset, but diplopia due to right abducens nerve palsy had occurred, and gradually worsened. Orbito-ocular signs were never observed throughout the clinical course. Brain MRI and MR angiography demonstrated abnormal signal changes corresponding to ...
Schmitt Nicholas J - - 2005
A 71-year-old-man presented with chronic left-sided epiphora and a 5-day history of progressive left orbital swelling that had started with a "bump" on the left side of his nose. Orbital CT revealed left-sided preseptal and postseptal inflammation, along with marked thickening of the left superior ophthalmic vein. Orbital MRI with ...
Suzuki Nobuhiro - - 2005
A case of sphenoid sinusitis and internal carotid aneurysm presenting with multiple cranial nerve palsy is reported. A 46-year-old man with high fever and neck rigidity developed progressive visual loss and ophthalmoplegia on both sides, and ptosis, mydriasis and facial numbness on the right side. CT scan and MRI revealed ...
Elian Nicolas - - 2005
PURPOSE: Knowledge of the blood supply to the sinus is of importance in sinus augmentation, both as it pertains to vascularization of the sinus graft and as its location relates to the position of the required lateral osteotomy. The purpose of this study was to investigate the distribution of the ...
Hashimoto Masato - - 2005
A 79-year-old woman presented with sudden unilateral visual loss after an ocular motor disturbance and pulsatile tinnitus. Neuro-ophthalmologic examination showed a presumed right posterior ischemic optic neuropathy (PION), oculosympathetic, and third, sensory fifth, and sixth cranial nerve pareses. Selective angiography of the right internal and external carotid arteries confirmed a ...
Marden Franklin A - - 2005
BACKGROUND: Direct carotid cavernous fistulae (CCF) are commonly treated by endovascular deployment of a detachable balloon into the cavernous sinus to reconstruct the sidewall of the carotid artery and preserve flow in that vessel. Relatively few reports exist describing revisions using constructive, transarterial approaches when this technique fails. METHODS: We ...
Sakamoto Hideo - - 2005
AIM: Hemodynamic changes with aging in the penile arterial circulation, including the helicine arteries, were evaluated with power Doppler imaging in erectile dysfunction patients with a normal response to prostaglandin injection. METHODS: In 36 patients with erectile dysfunction and no definite vascular risk factors, 72 corpora were examined using power ...
Gallucci Gretchen M - - 2005
Carotid-cavernous sinus fistulae are rare, but serious, vascular anomalies which may develop following traumatic injury to the skull base. Fractures or the shearing forces of severe head trauma may cause the internal carotid artery to be torn from its points of dural attachment and rupture, with resultant direct flow into ...
Odebode T O - - 2005
Mucocoeles of the paranasal sinuses are relatively uncommon and rarely bilateral, the frontal and ethmoidal sinuses being most commonly affected. Rarely, fronto-ethmoidal mucocoeles expand and extend into the anterior cranial fossa producing mass effect. We report a 66-year-old woman, who presented with a 20-year history of recurrent bilateral progressive proptosis ...
Isolan Gustavo - - 2005
The cavernous sinus is a complex compartment situated in both sides of the sella turcica, being its microsurgical anatomy knowledge of fundamental importance when consider to approach surgically. We studied the arterial microanatomy of 24 cavernous sinus at the microsurgical laboratory, considering that in all the internal carotid artery were ...
Suh Dae Chul - - 2005
BACKGROUND AND PURPOSE: An extradurally located cavernous sinus dural arteriovenous fistula (CSDAVF) exhibits different clinical behavior from other dural arteriovenous fistulas (DAVFs) located between 2 dural leaves. The aim of this study is to define angiographic types of CSDAVF associated with presenting symptom (Sx) and venous drainage patterns. METHODS: CSDAVFs ...
Kikuta Ken-ichiro - - 2005
We describe a 54-year-old woman exhibiting MMS who developed delayed dural sinus thrombosis associated with PCD. Angiographic findings of the patient were so unusual that bilateral internal carotid arteries were occluded between their origin and the carotid fork with extensive development of collateral circulation via the external carotid arteries and ...
Yang Meng-Yin - - 2005
A 53-year-old female with a functioning pituitary adenoma was found to also have an unruptured asymptomatic aneurysm in the cavernous sinus portion of the internal carotid artery on MRI. The adenoma had a suprasellar extension with optic chiasm compression and extended into the right cavernous sinus. An aneurysm-like flow-void adjacent ...
Turkoz Riza - - 2005
Hemangioma of the heart is an extremely rare benign cardiac tumor. A 61-year-old woman presented with a huge hemangioma on the right ventricle. The tumor was completely surrounding the right coronary artery. Under cardiopulmonary bypass, the right coronary artery was transected from the aortic sinus and the supplying arteries of ...
Ziyal Ibrahim M - - 2005
The nomenclature and borders of the segments of the internal carotid artery (ICA) remain confusing. A classification of segments of the ICA is proposed based on constant anatomical structures, such as the carotid foramen and canal, the petrous bone, the petrolingual ligament (PLL), and the proximal and distal dural rings. ...
Kwon Bae Ju - - 2005
The objective of this study is to show rotational 3D angiography findings and their usefulness in the occlusion of carotid cavernous fistulas (CCFs) using detachable balloons. Five patients with direct CCF were retrospectively reviewed for details of interventional procedures and 2D and 3D angiography findings. Pretherapeutic 2D and 3D angiograms ...
Satomi Junichiro - - 2005
OBJECTIVE: We assessed whether angiographic changes in venous drainage patterns occur over time in cavernous sinus dural arteriovenous fistulae (dAVFs) without a complete cure. METHODS: We classified 65 cavernous sinus dAVFs into three types on the basis of initial angiographic findings. In Type 1, both anterior and posterior drainage routes ...
Khairy Paul - - 2005
We report 4 cases of congenital and acquired coronary sinus ostial atresia incidentally found during electrophysiologic assessment for supraventricular arrhythmias. Congenital variants consisted of coronary sinus drainage predominantly via persistent left superior vena cavae and partial coronary sinus unroofing into the left atrium. The acquired variant was inadvertently produced during ...
Bulsara Ketan R - - 2005
Endovascular procedures have revolutionized the treatment of carotid-cavernous fistulas through transarterial and transvenous routes. In some circumstances, however, traditional endovascular approaches may fail. Direct access to the superior ophthalmic vein (SOV) can be used to treat fistulas in this circumstance. The authors discuss the technical aspects of direct exposure of ...
Zhou D - - 2005
OBJECT: The aim of the study was to perform endoscopic anatomical studies of skull base structures through the sphenoid sinus in order to better understand endoscopic approaches to skull base lesions. METHODS: Anatomical studies were performed on six cadavers using sinus endoscopes. The sphenoid sinus was entered via a sublabial ...
Moon Kyung Yun - - 2005
After the spontaneous relief of initial symptoms by traumatic carotid-cavernous fistula (CCF), paradoxical worsening of patient's condition can be followed. We present a case of a 60-yr-old man whose audible bruit from a traumatic CCF had completely disappeared. A few days later, however, the patient had spontaneous intracerebral hematoma with ...
Sánchez-Quintana D - - 2005
To study the architecture of the human sinus node to facilitate understanding of mapping and ablative procedures in its vicinity. The sinoatrial region was examined in 47 randomly selected adult human hearts by histological analysis and scanning electron microscopy. The sinus node, crescent-like in shape, and 13.5 (2.5) mm long, ...
Sindou M - - 2005
1) Numerous of the so-called "unpredictable" post-operative complications are likely to be related to the lack of prevention or non-recognition of venous problems, especially damages to the dangerous venous structures, namely: the major dural sinuses, the deep cerebral veins and some of the dominant superficial veins like the vein of ...
Tada Hiroko - - 2005
This report describes a 3-year-old male with a familial cervical cystic hygroma and intracranial dural venous abnormalities consisting of a falcine sinus between the superior sagittal and the straight sinus with a rudimentary posterior part of the superior sagittal sinus; a prominent occipital sinus with narrowed transverse sinuses; and no ...
Icardo José M - - 2005
We report a morphologic study of the heart inflow tract of the African lungfish Protopterus dolloi. Attention was paid to the atrium, the sinus venosus, the pulmonary vein, and the atrioventricular (AV) plug, and to the relationships between all these structures. The atrium is divided caudally into two lobes, has ...
Arat Anil - - 2004
A complex case of carotid-cavernous fistula was treated transvenously by injection of ethyl vinyl alcohol co-polymer into the cavernous sinus after an unsuccessful embolization attempt with detachable coils and liquid adhesive agents. There were no complications. At 3 months the patient's symptoms had resolved completely, and a control angiogram revealed ...
Cunningham Edwin J - - 2004
OBJECTIVE AND IMPORTANCE: We describe the first reported use of temporary balloon occlusion of the cavernous internal carotid artery for controlled removal of a foreign object from the cavernous sinus. This endovascular approach may be an alternative to craniotomy in highly selected cases. CLINICAL PRESENTATION: A 34-year-old incarcerated male attempted ...
Curtin Kenneth R - - 2004
We describe the case of a 28-year-old obtunded woman who presented with bilateral anterior parietal lobe cortical hemorrhages associated with thrombosis of the superior sagittal sinus, both transverse and sigmoid sinuses, and multiple cortical veins draining into the sagittal sinus. Initial heparin therapy was not effective. A combination of AngioJet ...
Chen Pei-Yun - - 2004
We report a 27-year-old male who presented with headache and rapid visual impairment. He had been diagnosed with venous sinus thrombosis 3 months earlier, when he had diffuse headache, nausea and vomiting, which subsided after incomplete thrombolytic therapy. Warfarin was then prescribed without screening for coagulopathy. Ophthalmic examination revealed bilateral ...
Rastogi Sachin - - 2004
BACKGROUND: Dural arteriovenous fistulas (DAVFs) are frequently accompanied with raised intracranial pressure and clinical findings suggestive of pseudotumor cerebri. However, unlike pseudotumor cerebri, the clinical response to lumbar cerebrospinal fluid (CSF) removal can vary from beneficial to acute clinical deterioration leading to death. The criteria for the safe use of ...
Tokunaga Koji - - 2004
Intracerebral hemorrhage occurred in this 61-year-old woman with preexisting diplopia and proptosis. Results of angiography demonstrated a persistent primitive trigeminal artery (PPTA)-cavernous sinus fistula with cortical venous reflux. Two microcatheters were introduced transarterially through the PPTA into the two draining pathways in the cavernous sinus. Coils were delivered in both ...
Mitsuhashi Takashi - - 2004
A 30-year-old female complained of sudden onset of severe proptosis, chemosis, diplopia, and bruit. Right carotid angiography showed a high-flow direct carotid-cavernous fistula (CCF) draining into the engorged superior ophthalmic vein, inferior petrosal sinus, and pterygoid plexus. The patient experienced retroperitoneal bleeding from a ruptured right renal artery after undergoing ...
Wang Hui-Xiao - - 2004
Carotid-cavernous fistulas (CCFs) are abnormal arteriovenous anastamoses between the carotid artery and the cavernous sinus. These fistulas may be classified by cause (spontaneous or traumatic), flow velocity (high or low), or pathogenesis (direct or indirect). The most commonly adopted classification is that described by Barrow based on arterial supply. Traumatic ...
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