Multiparametric MRI at 3 Tesla for Prediction of Treatment Response in Rectal Cancer

The article describes the successful integration of a multiparametric MRI technique to monitor response to treatment in patients with rectal cancer. A voxel-by-voxel multiparametric analysis strategy has been adopted and early results show this is important in quantitatively assessing heterogeneity within the entire tumor region, and the changes in response to CRT in rectal cancer. [...]

The Potential Role of Ultrashort Echo Time Sequences in MRI Guided Radiotherapy

This work shows the potential of ultra-short TE sequences to play an important role in MR guided Radiotherapy. Acquiring signal intensity at vastly reduced echo time opens up new imaging contrasts and many possibilities. [...]

Overview of Magnetic Resonance Fingerprinting

This overview of Magnetic Resonance Fingerprinting describes the basic concepts of MRF and illustrates some clinical applications. [...]

New ‘ADC & b-value’ Tool in syngo.via

This article describes the feature ‘ADC & computed b-value’ available on Siemens’ syngo.via VB10. This new tool provides an increased degree of freedom in the choice of the b-value for disease detection and characterization. [...]

Pediatric Pathologies that have Leukocoria as Presenting Sign: the Podium

The article features the clinical and imaging signs and differential diagnosis of Retinoblastoma, persistent fetal vasculature and Coats’ disease. View/Download [...]

Case Report: Clinical Usability of MyoMaps in Myocardial Infarction

These case reports show that current advances in T1 and T2 mapping and ECV quantification might have the potential to improve the diagnosis of cardiovascular disease, refine myocardial risk stratification and guide patient personalized therapeutic strategies. View/Download [...]

Launch of the world’s first 7 T MR platform intended for clinical use (Siemens)

Erlangen, Germany, May 31, 2015 — Siemens announced at the Toronto ISMRM (International Society for Magnetic Resonance in Medicine) meeting the launch of the world’s first 7 T MR platform intended for clinical use. Important advances include a new, light, actively shielded magnet with zero helium boil-off and dual operating modes, enabling rapid switching between research […] [...]

CAIPIRINHA – Revisited

The development ofmulti coil receiver hardware as well as dedicated parallel acquisition techniques (PAT) and respective reconstruction methods allowed for a significant decrease of acquisition times in almost all clinical applications. This article provides a brief overview of 2D- and MS-CAIPIRINHA. [...]

Accelerated Diffusion Tensor Imaging of Skeletal Muscle Using Simultaneous Multi-Slice Acquisition

Simultaneous multi-slice acquisition with CAIPIRINHA reduces the scan time in diffusion-weighted MRI. In this article, early experience with this technique for accelerated DTI of skeletal muscle is shown. [...]

Simultaneous Multi-Slice (SMS) Imaging for Pre-Surgical BOLD fMRI and Diffusion Tractography: Case Illustrations

The presented case studies illustrate that SMS can increase the statistical confidence of fMRI and diffusion tractography results. These gains may be used to increase spatial image resolution and coverage, to improve spatial coregistration to high-resolution anatomical scans for intra-operative neuro-navigation, and / or to shorten acquisition times. [...]

Quiescent Interval Single-Shot (QISS) Lower Extremity MRA for the Diagnosis of Peripheral Artery Disease: Case Presentations

Case presentation of non-contrast QISS MRA providing high diagnostic accuracy for the detection of hemodynamically significant arterial stenosis of the lower extremities at both 1.5 and 3T. [...]

Point-of-Care MR Imaging and How We can Learn from Other Imaging Modalities. Thoughts on a Potential New Strategy

The article introduces point-of-care MRI, an extremely focused and goal-directed examinations strategy, that could reduce examination time and patient comfort. [...]

Simultaneous Multi-Slice (Slice Accelerated) Diffusion EPI: Early Experience for Brain Ischemia and Cervical Lymphadenopathy

In single shot EPI, the entirety of k-space is traversed after one shot (excitation). Readout-segmentation acquires k-space in multiple shots for reduced TE and encoding time. Real-time reacquisition of unusable shots is also supported. [...]

Clinical Case: 3 Tesla MR Neurography-Guided Posterior Femoral Cutaneous Nerve Block

The high SNR available at 3T provides the ability to perform high-resolution MR neurography-guided perineural injections for highly accurate visualization of small nerve as well as needle targeting and perineural injection. This case report demonstrates how this techniques facilitates accurate targeting of the PFCN.  Download/View PDF [...]

Sinding-Larsen-Johansson Disease

An 11-year-old female patient presented with pain in the left knee during extension and flexion manoeuvres of the knee following horseback exercises. Based on physical examination, a partial rupture of the left patellar ligament was suspected. In his case report, Axel Goldmann, MD (Orthopedic Center, Erlangen, Germany) describes the MRI findings of rarely seen SLJ disease. [...]

Simplifying the Workflow of Long Bone Imaging for Short Bore Systems

Imaging of long bones on 1.5T short bore systems can be challenging at times for technologists. This article provides tips that will make long bone imaging easier to acquire. [...]

Ganglion Cyst

22 yr old woman with injury to her wrist one month ago. She noticed mild right wrist pain and swelling the day after the injury. She had pain with movement of her fingers. Recent X-rays were negative. [...]

Enchondroma

This 33-year-old man presented to clinic with left shoulder pain of two months duration, radiating to his fingertips. Plain film radiographs and a MR examination revealed a focal lesion in his left humeral metaphysis which was found to represent an enchondroma. [...]

Liposarcoma

This 64 year old man presented to his primary care physician complaining of hematuria. On MR examination, a mass was found in his left upper groin which was confirmed to be a liposarcoma on subsequent biopsy. [...]

Myxoid Chondrosarcoma

This 65-year-old man presented to clinic with a tender mass in the anteromedial portion of his right midthigh which had enlarged over a year’s time. He further complained of nonspecific associated symptoms, including paresthesias and occasional temperature changes in his right leg. Following the illustrated MR examination, the patient was referred for evaluation by surgical oncology. [...]

Nonossifying Fibroma

This 23-year-old woman presented to clinic complaining of right thigh pain over the last year, worse with weightbearing and at night. The subsequent plain film radiograph and MR examination revealed a lesion within the distal femoral metadiaphysis. Biopsy showed findings consistent with a nonossifying fibroma. [...]

Tenosynovial Giant-cell Tumor

This 28-year-old woman presented with an approximately 3 year history of slowly-progressive left ankle pain, worse with movement and at the end of the day. After detection of the illustrated mass, surgery was performed with pathologic examination confirming a tenosynovial giant-cell tumor. [...]

Synovial Sarcoma (monophasic fibrous type)

This 20-year-old man presented with increasing pain and swelling in his left shoulder—an ongoing problem for the prior three months. Physical exam revealed a slightly tender, indurated mass with normal overlying skin. [...]

Enchondroma

This 41-year-old female presented to clinic with continued pain and swelling in her left fifth finger. She reported an extensive history of injuries to that finger over the last 20 years. The patient’s MRI, illustrated below, revealed a lesion in the proximal phalanx of the left fifth finger which was confirmed as an enchondroma by subsequent surgery. [...]

Liposarcoma

This 56 year old man presented to clinic complaining of a mass within the musculature of his medial right thigh that had appeared approximately 5 months ago. The patient denied any associated pain or tenderness. On the illustrated MR examination, a mass was found which was confirmed as a liposarcoma by pathologic evaluation following its surgical removal [...]

Neurofibroma

This 35-year-old female presented to clinic complaining of pain and swelling posterior to her right knee of approximately 3 months duration. Physical examination confirmed the presence of a soft tissue mass in the patient’s right posterior lower leg. An MRI scan demonstrated a well-defined oval lesion, confirmed to be a neurofibroma by subsequent surgery. [...]

Ollier Disease

This 17-year-old girl initially presented as a toddler and has since suffered from multiple complications related to Ollier disease, particularly in regard to her left femur. Disease involvement initially also included the left hemipelvis. The patient subsequently underwent multiple procedures involving the femur for the correction of pathologic fractures and leg-length discrepancies. Her most recent surgery, one year ago, consisted of curettage and bone grafting of lesions in her left iliac wing and proximal femur. [...]

Osseous Lymphoma

This 92-year-old female presented to clinic with chronic right shoulder swelling and pain of several months duration which had become more severe in last 10 days. Her past history includes a diagnosis of lymphoma in the early 1980’s—a non-Hodgkin stage IIE variety with favorable histologic status. She underwent 4 cycles of CHOP therapy followed by radiation treatment. Lymphomatous involvement was initially found in her right salivary gland, right submandibular gland, and left inner cheek. Plain film radiographs and the illustrated MR examination of the patient’s right arm revealed an ill-defined mass involving right humeral metaphysis. [...]

Osteosarcoma

This 28-year-old man presented with increasing pain and swelling in his right shoulder for more than four months. Physical exam revealed an obvious swelling, with overlying normal skin, involving the right shoulder. Because of the swelling and pain, movement of the joint was restricted. [...]