Whole-body diffusion-weighted MRI: tips, tricks, and pitfalls.
نویسندگان
چکیده
OBJECTIVE We examine the clinical impetus for whole-body diffusion-weighted MRI and discuss how to implement the technique with clinical MRI systems. We include practical tips and tricks to optimize image quality and reduce artifacts. The interpretative pitfalls are enumerated, and potential challenges are highlighted. CONCLUSION Whole-body diffusion-weighted MRI can be used for tumor staging and assessment of treatment response. Meticulous technique and knowledge of potential interpretive pitfalls will help to avoid mistakes and establish this modality in radiologic practice.
منابع مشابه
Whole-body DWI in patients with lymphoma: imaging findings, pitfalls, and limitations
Whole body (WB) imaging plays an essential role in the management of lymphoma patients, including defining the full extent of the disease at baseline, allowing for an accurate staging and therefore an adapted treatment strategy, assessing treatment response and detecting relapse. Contrast-enhanced computed tomography (CT) has long been the imaging technique most commonly used for staging and fo...
متن کاملWhole-body MRI including diffusion-weighted MRI compared with 5-HTP PET/CT in the detection of neuroendocrine tumors
AIM We wanted to explore if whole-body magnetic resonance imaging (MRI) including diffusion-weighted (DW) and liver-specific contrast agent-enhanced imaging could be valuable in lesion detection of neuroendocrine tumors (NET). [11C]-5-Hydroxytryptophan positron emission tomography/computed tomography (5-HTP PET/CT) was used for comparison. MATERIALS AND METHODS Twenty-one patients with NET we...
متن کاملImaging of Diseases of the Cranial Nerves: Tips and Tricks
The intention of this article is to alert readers to common problems and pitfalls concerning magnetic resonance imaging (MRI) for pathologies of cranial nerves. It also provides an introduction to helpful sequences and post processing techniques. There are numerous reports about imaging of the cranial nerves that show the capabilities of submillimeter heavily T2-weighted images, like the CISS o...
متن کاملDynamic Contrast Magnetic Resonance Imaging (DCE-MRI) and Diffusion Weighted MR Imaging (DWI) for Differentiation between Benign and Malignant Salivary Gland Tumors
Background: Salivary gland tumors form nearly 3% of head and neck tumors. Due to their large histological variety and vicinity to facial nerves, pre-operative diagnosis and differentiation of benign and malignant parotid tumors are a major challenge for radiologists. Objective: The majority of these tumors are benign; however, sometimes they tend to transform into a malignant form. Functional M...
متن کاملPitfalls in abdominal diffusion-weighted imaging – How specific is restricted water diffusion for malignancy?
Purpose As DWI is increasingly implemented into routine protocols of abdominal MRI, positive findings both in expected as in unexpected locations become more common and might constitute diagnostic problems especially in patients with suspected benign disease. The aim of our retrospective study was to investigate the potential pitfalls of false positive findings in abdominal DWI by identifying b...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید
ثبت ناماگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید
ورودعنوان ژورنال:
- AJR. American journal of roentgenology
دوره 199 2 شماره
صفحات -
تاریخ انتشار 2012