We recommend considering repeat CT or MRI for persisting posttraumatic headache and mental status change.doi:10.1046/j.1526-4610.1998.3807554.xJavier A. SaggeseNeurology Division, Headache and Pain Section Churruca‐Vista Hospital Uspallata 3400 (CP 1437), Buenos Aires ArgentinaOsvaldo C. Bruera...
AIM: To evaluate the findings of computed tomography (CT) and Magnetic Resonance Imaging (MRI) among patients presented with the chief complaint of headache and to compare the findings between two groups of patients. MATERIALS AND METHODS: This retrospective observational study was carried out in ...
The mortality rate is as high as 25–50%.2023/9/1052 蛛网膜下腔出血 (subarachnoid hemorrhage)The most common presenting symptom is an unusually severe headache.If SAH is suspected, unenhanced CT scan is the first-line imaging modality because the characteristically hyperdense appearance of blood...
目的 探讨鼻窦神经内分泌癌的CT和MRI的特征性表现.方法 回顾性分析经病理证实的10例鼻窦神经内分泌癌的影像资料及临床资料,男5例、女5例;年龄27 ～ 57岁,平均(48±9)岁.患者均行MR平扫及增强检查,9例同时行CT检查.结果 病变主体位于筛窦6例次、蝶窦5例次、上颌窦2例次,位于蝶窦者病变对称.典型类癌1例、...
MRIs don't use radiation and don't generally cause any side effects. Rarely, some people feel warm or get a tingling sensation from being inside the MRI tube, but that goes away once the test is over. Others are allergic to contrast dye and may experience aheadache, dizziness or nausea....
In physics, diffusion refers to the movement of particles or energy from a region of higher concentration to a region of lower concentration [21]. For example, in a drop of ink spreading through a transparent gel, the ink is initially concentrated in one area and diffuses throughout the gel...
MRIs don't use radiation and don't generally cause any side effects. Rarely, some people feel warm or get a tingling sensation from being inside the MRI tube, but that goes away once the test is over. Others are allergic to contrast dye and may experience aheadache, dizziness or nausea....
❖一、脑CT检查方法：❖1.平扫多以眦耳线（眼外眦与外耳道中心连线）为基线，依次向上平行扫描，层面厚度多用5或10mm。❖2.增强CT经静脉注入含碘水溶性造影剂再行扫描。增强是指病灶密度的增高。4 2020/7/4 正常颅脑CT图像 颅底层面 蝶鞍层面 鞍上池层面三脑室前部层面 三脑室后部层面侧脑室层面 脑室...
MRI and CT brain scans from 287 male prison inmates (162 violent and 125 non-violent) not diagnosed as mentally ill before that were obtained due to headache, vertigo or psychological complaints during imprisonment were assessed and compared to 52 non-criminal controls. Brain scans were rated ...
CT (computed tomography) scans combine X-rays with computer technology. They're used mainly to look at structures deep inside your body like tumors or bone fractures, or for when doctors need to make an emergency diagnosis, as results can be had in as little as 10 minutes. CT scans are ...