Imaging Methods and MR Technology

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Imaging Methods and MR Technology

Our contents are aimed at junior practitioners and senior specialists interested in developments, insights and discussions about the modality.

IMMRTech is a working group of Radiology Technicians that actively shares information about basic concepts, tips&tricks, technologic innovations, scientific research and data analysis in Magnetic Resonance Imaging.

20/10/2025

ESMRMB 2025 in Marseille has concluded. IMMRTech values these opportunities for multidisciplinary scientific discussion.

We presented our poster: "Reliability of MRI-derived multispectral neuroimaging measurements after 3T scanner relocation."

Our research investigated the reliability of quantitative MRI data following a scanner's physical relocation. The findings indicate that with proper recalibration, the impact on neuroimaging metrics is minimal, supporting high reproducibility for long-term studies.

We thank our collaborators at CIMeC - University of Trento for their contributions to this work: Alberto Finora, Stefano Tambalo, Jorge Jovicich, and the entire team.

28/03/2025

We’re excited to share our two contributions to the XVI Congresso Nazionale AIRMM - ISMRM Italian Chapter (Lecco, March 24-26, 2025)! 🎉

🖼️ Poster 1: Automatic Segmentation of Liver and Pancreas: A Comparative Analysis of AI-Based Tools Using the Dixon Method. We explored the performance of AI-driven segmentation tools for abdominal imaging, comparing their effectiveness in liver and pancreas quantification.

🖼️ Poster 2: Intra-site Variability on Structural Brain Imaging: Insights from Retrospective Harmonization on T1w and DWI. Our study investigates scanner-dependent variability in brain imaging and the role of retrospective harmonization in improving consistency across different MRI units.

Both projects highlight the importance of AI, image processing, and harmonization techniques in advancing medical imaging research.
A huge thanks to our team and collaborators for their hard work and dedication!

📢 Stop by and check out our posters if you're attending AIRMM! Let us know your thoughts in the comments!

28/03/2025

From March 24-26 we had the opportunity to participate in the XVI Congresso Nazionale dell’Associazione Italiana di Risonanza Magnetica in Medicina (AIRMM - ISMRM Italian Chapter) in Lecco. It was an enriching experience filled with insightful discussions, groundbreaking research presentations, and valuable networking with experts in the field of MRI.

We were thrilled to exchange ideas, share our work, and explore the latest advancements in medical imaging. Events like these remind us of the power of collaboration in pushing the boundaries of innovation. Thank you to the organizers and everyone we had the pleasure of meeting—looking forward to the next one!

13/01/2025

🧪 Clinical Case in Magnetic Resonance Imaging

📢 Follow-up to last post teaser:
In the previous post, we shared two coronal T2 TSE images, one of which revealed a formation in the left submandibular region.

Here is the explanation of the case.

📋 Clinical Presentation:
The examination was performed on a Philips 1T open vertical-field scanner.
An adult female patient reported a "bothersome lump" palpable in the submandibular region, which became more pronounced during specific tongue movements. Standard pre-contrast images did not fully clarify the origin of the symptom.

🛠 Technical Approach:
To improve diagnostic clarity, we asked the patient to replicate the tongue movement that intensified both the sensation and visibility of the lump. This approach yielded more illustrative images, particularly valuable for the case's iconography.

📊 Results (from Radiologist’s report):
The images acquired during the forced movement revealed:
- A slight asymmetry between the sublingual glands, with the left one herniating through a discontinuity of approximately 1 cm in the mylohyoid muscle (an anatomical variant).
- During the movement, the left sublingual gland shifted inferiorly into the submandibular space, extending nearly 1 cm beyond the inferior margin of the left hemimandible and displacing the anterior belly of the digastric muscle.

💡 Conclusions:
This case highlights the importance of tailoring imaging protocols: a small adjustment, such as asking the patient to perform a specific maneuver, can make the images clearer and support the entire clinical team's work.

20/11/2024

Motion artifact in T2 FSE TRA sequence of the prostate with small FOV and AP phase encoding direction (patient in supine position with arms along the body) due to poor patient preparation.
The motion artifact is resolved by changing phase encoding direction to RL but foldover artifact is introduced.
This artifact (red arrow) is eliminated by changing the phase encoding direction to RL, doubling the FOV and matrix sizes to maintain the same spatial resolution.

13/11/2024

Artifact correction in Multi-Echo MPRAGE.
The artifact seen in the unfiltered scan (First slide, red arrow) originates from data in the first column of k-space (kx=0) during the receive path. This can be easily corrected by applying a raw filter, found under the “Resolution > Filter RawData” tab in Siemens scanners (Second slide, red arrow), resulting in an artifact-free image (Third slide, red arrow).

18/10/2024

📢 Programma Ufficiale del Workshop Multidisciplinare sulla SICUREZZA IN RISONANZA MAGNETICA!

🔬Siamo lieti di presentare il programma definitivo di questo evento formativo gratuito e accreditato ECM, interamente dedicato alla sicurezza in Risonanza Magnetica dei pazienti e operatori. Un'occasione unica per approfondire normative e pratiche aggiornate con esperti dei settori Fisico, Medico e Tecnico.

👥 Accreditato ECM per Fisici, Medici (tutte le specialità), Tecnici di Radiologia Medica, Tecnici della Prevenzione, Tecnici della Fisiopatologia Cardiocircolatoria e Perfusione Cardiovascolare, e Infermieri.

Non perdere questa opportunità: consulta il programma e iscriviti subito!

🌐 https://formazione.sacrocuore.it/Index.aspx

📅 23 Novembre 2024 | 8:30 - 16:30

📍 Sala Convegni "Fr. Francesco Perez", IRCCS Sacro Cuore Don Calabria
Via Don A. Sempreboni, 5
37024 Negrar di Valpolicella (VR)
Scadenza iscrizioni: 10 novembre 2024

16/10/2024

📢 Le iscrizioni alla Seconda Edizione del Master di Primo Livello in Risonanza Magnetica: Tecniche di acquisizione, ottimizzazione e analisi di immagini dell'Università di Verona apriranno il 4 novembre 2024!

Un'ottima occasione per i Tecnici Sanitari di Radiologia Medica che desiderano approfondire le proprie competenze nell'ambito della Risonanza Magnetica, migliorando le loro capacità sia nel campo clinico che nella ricerca biomedica.

Siamo felici di essere nuovamente partner in questa entusiasmante avventura!

30/09/2024

📢 Partecipa al Workshop Multidisciplinare sulla
SICUREZZA IN RISONANZA MAGNETICA

🔬 Evento gratuito e accreditato ECM, dedicato alla sicurezza del paziente e degli operatori. Un’occasione unica per aggiornarti su pratiche e normative con colleghi ed esperti dei settori Fisico, Medico e Tecnico.

👥 Evento accreditato ECM per Fisici, Medici (tutte le specialità), Tecnici di Radiologia Medica, Tecnici della Prevenzione, Tecnici della Fisiopatologia Cardiocircolatoria e Perfusione Cardiovascolare, Infermieri.

Iscriviti ora e riserva il tuo posto!

📅 23 Novembre 2024 8.30-16.30

📍 Sala Convegni “Fr. Francesco Perez” IRCCS Sacro Cuore Don Calabria
Via Don A. Sempreboni, 5
37024 Negrar di Valpolicella (VR)

Scadenza Iscrizioni: 10 novembre 2024

Link: https://formazione.sacrocuore.it/Index.aspx

—🇬🇧🇬🇧 ENGLISH VERSION 🇬🇧🇬🇧—

📢 Join the multidisciplinary
WORKSHOP ON MAGNETIC RESONANCE SAFETY

🔬 Free CME accredited event, dedicated to the safety of patients and operators. A unique opportunity to update yourself on best practices and regulations with experts and professional Physicists, MDs and Healthcare Technologists.

👥 CME accredited event for Physicists, MDs, Radiology Technicians, Work Safety Technicians, Cardiocirculatory Pathophysiology and Cardiovascular Perfusion Technicians, Nurses.

Register now and reserve your spot!

📅 23rd November 2024, 8:30 AM - 4:30 PM

📍 Conference Room “Fr. Francesco Perez” IRCCS Sacro Cuore Don Calabria
Via Don A. Sempreboni, 5
37024 Negrar di Valpolicella (VR)

Registration deadline: 10th November, 2024

Link: https://formazione.sacrocuore.it/Index.aspx

20/09/2024

Vendor sequence acronyms part 4, including United Imaging Healthcare.
This concludes our series on vendor acronyms.
DM us for the full acronyms list and follow us for future updates on this topic and other exciting content!

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DISCLAIMER: All product, company names, commercial names, are trademarks or registered trademarks of their respective holders. Use of them does not imply any affiliation with or endorsement by them. Any product names, logos, brands, and other trademarks or images featured or referred to within the IMMRTech social accounts are the property of their respective trademark holders. These trademark holders are not affiliated with IMMRTech, our products, or our websites. They do not sponsor or endorse IMMRTech or any of our products.
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05/07/2024

Vendor parameter acronyms part 3, including United Imaging Healthcare.
DM us for the full acronyms list and follow us for new content regarding this topic and for future updates.

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DISCLAIMER:
All product, company names, commercial names, are trademarks or registered trademarks of their respective holders. Use of them does not imply any affiliation with or endorsement by them. Any product names, logos, brands, and other trademarks or images featured or referred to within the IMMRTech social accounts are the property of their respective trademark holders. These trademark holders are not affiliated with IMMRTech, our products, or our websites. They do not sponsor or endorse IMMRTech or any of our products.
Feel free to communicate with us in order to make corrections or to add missing information

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20/06/2024

Is it possible to scan a Diffusion Weighted Imaging acquisition after the administration of a Gd-DTPA contrast agent? What are the short temporal effects of gadolinium on DWI?
Let’s discover them by reading this paper of Xiang Li et al.
doi: 10.1002/jmri.24386

Gd-DTPA: Gadolinium DiethyleneTriamine Penta-acetic Acid
DWI: Diffusion Weighted Imaging
SNR: Signal-to-Noise Ratio
CNR: Contrast-to-Noise Ratio
ADC: Apparent Diffusion Coefficient

-DTPA

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