نتایج جستجو برای: dissection
تعداد نتایج: 41884 فیلتر نتایج به سال:
Spontaneous isolated splanchnic artery dissection is uncommon with superior mesenteric artery (SMA) being the most commonly dissection-affected artery. Spontaneous celiac artery dissection is rare, but underestimation is anticipated due to variable clinical manifestations. Only 11% of celiac artery dissections are associated with SMA dissections. Spontaneous isolated splanchnic artery dissectio...
Aortic dissection, which typically manifests as sudden tearing or migratory pain, is a well-known medical emergency. However, in 5% of aortic dissection patients, there is no pain. In these patients, the diagnosis depends on the development of neurologic complications. After analyzing the initial symptoms of a series of patients with aortic dissection, we found 4/211 (1.9%) patients suffered fr...
Lower axillary lymph node dissection (lower parts of both the level I and II elements below the second intracostobrachial nerve) and level I and II lymph node dissection were performed on breast cancer patients (n = 54), and the results with the two methods were compared in terms of the status of detected lymph node metastases. For Stage I, N0 cases, the results for pathological classification ...
The incidence of aortic dissection ranges from 5 to 30 cases per million people per year, depending on the prevalence of risk factors in the study population. Although the disease is uncommon, its outcome is frequently fatal, and many patients with aortic dissection die before presentation to the hospital or prior to diagnosis. While pain is the most common symptom of aortic dissection, more th...
BACKGROUND The primary goals of this interdisciplinary consensus statement are to review the relevant anatomy of the central neck compartment, to identify the nodal subgroups within the central compartment commonly involved in thyroid cancer, and to define a consistent terminology relevant to the central compartment neck dissection. SUMMARY The most commonly involved central lymph nodes in th...
Recurrent Carotid Artery Vasospasm or Dissection? To the Editor: We find the article by Janzarik et al1 reporting extracranial artery vasospasm very unconvincing. As the authors say, it is a rare phenomenon, if it ever occurs at all. Vasospasm was said to occur during direct insertion of the needle into the extracranial cervical arteries during angiography, but we suspect that in most if not al...
BACKGROUND AND PURPOSE We investigated the predictors and time course for recanalization after vertebral artery dissection. METHODS We prospectively studied 61 consecutive patients with confirmed diagnoses of vertebral artery dissection without intracerebral hemorrhage. Neuroimaging and clinical follow-up were performed at presentation and at 3, 6, and 12 months. RESULTS We included 61 pati...
O B J E C T I V E : We developed an instrument (a dissector tool with micro vibrating system) to make make brain tissue dissection easy and safe. Method: We used this instrument and conventional technique to dissect 18 fresh cadaver sheep brains (9 of them were dissected by the vibrating-dissection technique and the remaining 9 with a conventional dissector). Dissection and separation were grad...
BACKGROUND Although single case reports have described acute aortic dissection in relation to cocaine use, this condition is not widely recognized, and the features of cocaine-related aortic dissection have not been defined. METHODS AND RESULTS We reviewed all available hospital charts from 1981 to 2001 with the ICD-9 diagnosis of aortic dissection. Among the 38 cases of acute aortic dissecti...
IMPORTANCE Fluoroquinolones have been associated with collagen degradation, raising safety concerns related to more serious collagen disorders with use of these antibiotics, including aortic aneurysm and dissection. OBJECTIVE To examine the relationship between fluoroquinolone therapy and the risk of developing aortic aneurysm and dissection. DESIGN, SETTING, AND PARTICIPANTS We conducted a...
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