Podcasts about hounsfield

BUFFALO, NY- May 8, 2024 – A new research paper was published in Oncotarget's Volume 15 on May 7, 2024, entitled, “Deep learning-based whole-body PSMA PET/CT attenuation correction utilizing Pix-2-Pix GAN.” The sequential PET/CT studies oncology patients can undergo during their treatment follow-up course is limited by radiation dosage. In this new study, researchers Kevin C. Ma, Esther Mena, Liza Lindenberg, Nathan S. Lay, Phillip Eclarinal, Deborah E. Citrin, Peter A. Pinto, Bradford J. Wood, William L. Dahut, James L. Gulley, Ravi A. Madan, Peter L. Choyke, Ismail Baris Turkbey, and Stephanie A. Harmon from the National Institutes of Health's National Cancer Institute proposed an artificial intelligence (AI) tool to produce attenuation-corrected PET (AC-PET) images from non-attenuation-corrected PET (NAC-PET) images to reduce need for low-dose CT scans. “AI-generated PET images has clinical potential for reducing the need for CT scans for attenuation correction while preserving quantitative markers and image quality in prostate cancer patients.” Methods: A deep learning algorithm based on 2D Pix-2-Pix generative adversarial network (GAN) architecture was developed from paired AC-PET and NAC-PET images. 18F-DCFPyL PSMA (prostate-specific membrane antigen) PET-CT studies from 302 prostate cancer patients, split into training, validation, and testing cohorts (n = 183, 60, 59, respectively). Models were trained with two normalization strategies: Standard Uptake Value (SUV)-based and SUV-Nyul-based. Scan-level performance was evaluated by normalized mean square error (NMSE), mean absolute error (MAE), structural similarity index (SSIM), and peak signal-to-noise ratio (PSNR). Lesion-level analysis was performed in regions-of-interest prospectively from nuclear medicine physicians. SUV metrics were evaluated using intraclass correlation coefficient (ICC), repeatability coefficient (RC), and linear mixed-effects modeling. Results: Median NMSE, MAE, SSIM, and PSNR were 13.26%, 3.59%, 0.891, and 26.82, respectively, in the independent test cohort. ICC for SUVmax and SUVmean were 0.88 and 0.89, which indicated a high correlation between original and AI-generated quantitative imaging markers. Lesion location, density (Hounsfield units), and lesion uptake were all shown to impact relative error in generated SUV metrics (all p < 0.05). “The Pix-2-Pix GAN model for generating AC-PET demonstrates SUV metrics that highly correlate with original images. AI-generated PET images show clinical potential for reducing the need for CT scans for attenuation correction while preserving quantitative markers and image quality.” DOI - https://doi.org/10.18632/oncotarget.28583 Correspondence to - Stephanie A. Harmon - stephanie.harmon@nih.gov Sign up for free Altmetric alerts about this article - https://oncotarget.altmetric.com/details/email_updates?id=10.18632%2Foncotarget.28583 Subscribe for free publication alerts from Oncotarget - https://www.oncotarget.com/subscribe/ About Oncotarget Oncotarget (a primarily oncology-focused, peer-reviewed, open access journal) aims to maximize research impact through insightful peer-review; eliminate borders between specialties by linking different fields of oncology, cancer research and biomedical sciences; and foster application of basic and clinical science. To learn more about Oncotarget, please visit https://www.oncotarget.com and connect with us: Facebook - https://www.facebook.com/Oncotarget/ X - https://twitter.com/oncotarget Instagram - https://www.instagram.com/oncotargetjrnl/ YouTube - https://www.youtube.com/@OncotargetJournal LinkedIn - https://www.linkedin.com/company/oncotarget Pinterest - https://www.pinterest.com/oncotarget/ Reddit - https://www.reddit.com/user/Oncotarget/ Spotify - https://open.spotify.com/show/0gRwT6BqYWJzxzmjPJwtVh MEDIA@IMPACTJOURNALS.COM

Did you know that Nick Hounsfield comes from a family of inventors? He didn't invent the wave pool at his surf park. No, Wavegarden did that. But he's constantly focused on how things could work. It's like a constant invitation to daydream. We learned this early on but only now have gotten around to poking at this side of Nick. In this conversation we dig into the creative side of wave pooling and explore the current state of the wave pool space and, of course, Nick's excitement for the future.

Sports + Outdoor Mentors is a source of inspiration, motivation, practical career, and business lessons for future and existing sports and outdoor industry leaders. Join us every Sunday for a new episode. In this episode, meet Nick Hounsfield, Founder and Chief Vision Officer of The Wave, Inland Surfing  as he shares insights into life before The Wave, his motivation, his struggles and much more.  

Dawn O'Porter reigned supreme in the area of TV that wanted the presenter ‘immersed' in the subject; exploring the dangerous size-zero aesthetic, attitudes to nudity, mail order brides, geisha traditions and most personally perhaps, breast cancer, the disease to which she lost her mother. But since 2006 she's refocused her attention to the written word having penned eight books, with two more on the way, her latest is Cat Lady. Believe it or not the new football season is just three weeks away. But Robert Kasanga is worlds away from the big money world of Pep Guardiola or Jurgen Klopp. Having turned his life around from a world of inner-city gangs to founding Hackney Wick FC – a club that gives young people involved in gangs a way out through football. Nick Hounsfield began his career as an osteopath, following in the footsteps of his father, and set up his own practice alongside his wife. A passionate surfer since he was knee high to a grasshopper, Nick has since founded The Wave, a pioneering artificial surfing park which opened its first site near Bristol in 2019. But less than a year later, at the age of 46, Nick suffered a series of strokes, and his infant business was forced to close because of the pandeminc. And we'll hear the Inheritance Tracks of DJ turned author and podcaster Annie Mac. Presenters: Nikki Bedi and Jason Mohammad Producer: Ben Mitchell Details of support for bereavement and victims of crime is available at BBC Action Line: www.bbc.co.uk/actionline

Somerset Stories takes on a blue hue this week as we meet Nick Hounsfield, creator of The Wave - the UK's first inland surfing lake - located just outside Bristol. Driven by a passion to help people live healthier lives, more connected to nature, Nick's vision is more than a decade in the making, opening to the public in 2019. As a well as surfing being a great sport, The Wave aims to bring people into contact with water, nature, and each other, in order to create a community atmosphere which allows people to find their own calm and enjoyment in and around the lake.

Quick Update with Nick Hounsfield of The Wave. We've had Nick on the show before and The Wave's history is well documented. For this episode of the podcast we branched out to explore community and how The Wave is helping diversify the lineup.“We're starting to see people of very different backgrounds come here, rather than feeling like it's constantly a middle class white playground which would make me feel like I failed. So I want to make sure that diversity is embedded from the start.”

If you were asked to name a world-class place to surf, a field near Bristol isn't the first location that would spring to mind. But this slice of the English countryside is home to The Wave, an artificial surfing lake that is one of just a handful in the world to use cutting edge technology and was the first of its kind. The Wave is the fruit of the ambitions of Nick Hounsfield, a pioneering British entrepreneur who wanted to build a unique business that had a positive social impact, with improving health and wellbeing for surfers and non-surfers alike baked in. For this special bonus interview episode of the This is Money podcast, Simon Lambert visited The Wave to meet Nick, be shown around and hear the story of his more than decade-long journey to get waves breaking and people riding them. It's a fascinating tale, not least because Nick didn't come from a background in property or business, but was an osteopath, who started with £500 in his bank account and managed to raise £27million to build his dream.  He tells Simon about the challenge of doing that when potential investors thought it was a great idea but were reluctant to take the risk on it, with a theme of ‘we'll back the second one, but not the first one' coming through. Eventually Nick and his business partners got traction in raising the funds to get the Wave off the ground, but he says it was important to find the right people to back it: those who bought into the social impact element as well as making money. ‘We talk about profits with purpose', says Nick. ‘But generally, I think across the finance industry, it seems that people are understanding how important it is to be future facing - from a profit perspective but also looking after people and the planet at the same time and how important that is in building a brand and building a business.' He adds: ‘Right at the beginning we very much set out our stall that we were going to be environmentally conscious and socially conscious, but also be profit making.' But Nick's rollercoaster ride hasn't just been about getting a hugely ambitious business off the ground, he also faced a double whammy of unexpected events as it finally opened its doors. The Wave started welcoming surfers in late 2019 but shortly afterwards Covid and lockdowns struck throwing plans into disarray. Yet Nick was already facing his own personal challenge, as he had suffered a stroke in February 2020, which left him in hospital for weeks and then needing six to nine months of rehabilitation at home through the disconcerting times of the first Covid lockdown. Nick tells the story of how he found himself working alone in the water at The Wave, while it was shut during lockdown, and benefitting himself from the impact of ‘blue health': the idea that spending time in or near water is good for people, which is a cornerstone of his business dream. The Wave has flourished since it was allowed to open again during the Covid lockdowns and there are now plans for more facilities in the UK, including one in north London's Lee Valley, close to the Olympic water sports facilities. Nick shares more details on those plans, explains more about how The Wave works and what visiting surfers can expect and need to know – and at the end of the podcast Simon – a self-described painfully average on-and-off surfer – explains what it was like to ride the waves.

What happens when you are passionate about people's health and wellbeing, you love surfing, and want to create something epic that combines the two? You create a humongous 200 meter in-land surf lake!In today's episode I talk to Nick Hounsfield,  founder and chief visionary officer of The Wave https://www.thewave.com, the first inland surfing destination near Cribbs Causeway, Bristol only five minutes from the M4/M5 interchange.  Costing over £25 million to create,  Nick talks about how he managed to convince investors to support the project, how it finally opened as the world went into lockdown, and how four years on,  along with his partner Craig Stoddard and a great team, they have navigated three very difficult years (that included Nick losing his ability to speak through a stroke) to become a thriving business, receiving up to 175,000 visitors per year.  Nick's first career as an osteopath gave him his passion for caring for people's health and wellbeing - he continues that passion today, driving the ‘blue health' agenda for being in and around water.  He has a burning desire to bring the benefits of his sport ‘surfing' to as many people from different walks of life as he can and states that he will have failed if The Wave is something only enjoyed by the white, middle classes.   Listen to his exciting plans for the future of The Wave, Bristol including the taking the whole thing off-grid through the investment in solar panels, plus, how he is working on another amazing site in North London.  What a humble yet determined guy - Nick proves just what you can achieve if you really believe in something. Enjoy the episode.  Find out more The Wave Nick on Instagram Nick on TwitterHuge thanks to podcast sponsor Noble Performs. Noble provide Unstoppable digital marketing to maximise your performance. From SEO to Paid Social and more, we have the tools you need.Find out more about host Kelly Ballard and the Visitor Elves here.Subscribe to the Visitor Elves newsletter, to receive the latest podcast releases and inspirational tips to help you with your visitor economy business. To comment and ask questions about the episode, head over to: InstagramLinkedIn If you have enjoyed this podcast episode, please take a moment to give me a few stars on Apple podcasts or Spotify, it helps to encourage more people to listen and learn from our stories.

This week, The New P&L speaks to Nick Hounsfield, Founder and Chief Vision Officer at The Wave - a phenomenal inland surf destination built in Bristol, in the United Kingdom. There is a powerful ethos and purpose that sits behind the development of The Wave, including a strong commitment to its eco-credentials and to lifting up people's mental and physical health and well-being. We discuss with Nick: · Why Nick considers The Wave as much a place of healing and self -discovery as much as one of fun and fitness · What Nick did to take the first step from dream to action when developing The Wave · How The Wave has changed Nick's own personal development over the past decade · The Wave's fantastic hybrid commercial model · Nick's advice to young entrepreneurs with big ideas · With ‘blue health' initiatives are so important to The Wave · Nick's framework for constant innovation To learn more about The Wave, go to: www.TheWave.com If you'd like to join The New P&L movement for more principled leadership and more purpose-led business and keep up to date with all our latest news, go to www.principlesandleadership.com and subscribe. Twitter: @TheNewPandL Insta: @principlesandleadership LinkedIn page: Principlesandleadership --- Send in a voice message: https://anchor.fm/principlesandleadership/message Support this podcast: https://anchor.fm/principlesandleadership/support

It has to be the coolest moniker in surfing – Wavemaker. Nick Hounsfield is best known for being the person who brought surf stoke to the inland flats of northern Bristol. In one of The Wave's fabulous glamping pods, Tom and Emily caught up with the man who took the place from inception to conception. What made Nick one day wake up and decide he wanted to undertake such an ambitious project? What was it like showing these plans to the planning inspector who didn't surf? And how does he feel when that blue, almond-shaped barrel reels off with a stoked customer sitting on its foamball? Besides this, we also hear about Nick's surfing values and journey, as well as a general celebration of a place that has become one of England's outstanding surf zones.Produced by James DoddArtwork by GS Design CoMusic Copyright James Dodd 2022

Adam Cox is joined by Nick Hounsfield, Founder of inland surfing destination The Wave, and bodyboarder, Llewellyn Nicholls, ahead of International Surfing Day to discuss the benefits of surfing. Nick explains what The Wave is and how people can get into surfing, whilst Llewellyn talks about the challenge he is undertaking on the 21st of June.  www.thewave.com

Wavemaker' Nick Hounsfield was introduced to surfing by his father in the 1970s and soon developed a passion for it. He started to see surfing as a tool for having conversations around wellbeing, which led to him founding The Wave – an inland surfing destination for people of all abilities and backgrounds. Nick's idea was to create a space where people could connect with each other, themselves, and with nature. He champions ‘blue health' – the physical and mental health benefits of being in and around water.The Wave opened in Bristol in 2019 using ground-breaking technology, and Nick is planning on expanding the concept across the UK.Nick has been involved with supporting and growing the para-surfing community, and The Wave hosted the English Adaptive Surf Championships in 2020 and 2021. Nick experienced first-hand the role surfing can play in overcoming health issues when he suffered a series of strokes in February 2020. Luckily he has made a good recovery but recognises that things could have been so much worse. The experience has made him more determined than ever to create a safe, sustainable space to promote health in body and mind.Listen as we get into the details of how Nick was inspired to create The Wave and the lessons he's learned from his own health challenges. 

Nick Hounsfield is a British surfer and social entrepreneur, Founder of the first inland surfing destination in Bristol The Wave, the Chairman of Surfing England and a member of the UK Sport International Leadership Programme. Nick talks about how he got into surfing and what lead to the idea of bringing an artificial wave to Bristol and the ups and downs of creating the facility from funding the project to construction and all the lessons learnt along the way. Nick has a strong interest in  ‘blue health' (linked to wellbeing through contact with water) and will discuss his own personal experiences, opens up about getting a stroke and what has helped him and loads more!Enjoy and get rad!You can follow what Nick is up to on Instagram at wavemakernick and find out more about his latest projects and developments at The Wave.  *Like what you hear?  Please consider leaving a short review on Apple Podcasts. It takes less than 60 seconds, and it really makes a difference.  The Rad Season Action Sports and Adventure Show comes out as a podcast across all podcast players with a new episode every Monday. For show notes and past guests, please visit: radseason.com/magazine/Follow Rad Season:Website: radseason.comTwitter: twitter.com/radseasonInstagram: instagram.com/radseasonFacebook: facebook.com/radseasonLinkedIn: linkedin.com/company/rad-season/YouTube: youtube.com/c/RadSeasonPast guests on The Rad Season Show include Ian 'Kanga' Cairns, Shaun Tomson, Pat O'Connell, Andrew, Cotton, Joe Turpel and Selema Mesekela. 

In Ep.3 Jim is in conversation with Nick Hounsfield, Blue Health researcher and founder of The Wave. In the episode, the pair discuss Nick's ten-year journey to achieve his dream of creating England's first inland surf facility, how the reality married up to his expectations and the ramifications of a life-changing stroke he suffered last year. The pair go into depth on the importance of purpose when striving to build something, exploring the experiences that allowed Nick to refine his vision for The Wave, including his past career as an osteopath and the seismic impact of a conversation with his father just before he passed away. More than just an inland leisure resource, Nick has always strived to create a facility that enables people from all background's to access the social and health benefits of surfing and spending time in nature, with his current role in the organisation dedicated solely to bringing that further to fruition. Episode summary:Suffering a stroke; the role stress played, Nick's rehabilitation and his current state of health. The 10-year journey of creating The Wave; the excitement, the build-up and the reality. How two surfing swans and a Spanish engineer scuppered plans to capture Nick's reaction to seeing waves rolling in Bristol for the first time. Opening up in the face of pent up demand and anticipation and the realisation that they were at the end of one journey but the beginning of another. The good, the bad and the ugly of doing something for the very first time. Jim describes his experience of camping at The Wave. How Nick's first-ever visit to the Wave Garden test facility and a conversation with Eden Project founder Tim Schmit lit the initial fire. The health and social agenda that underpinned the project.Learning a love of water from his dad and weekend's spent at his grandmas place surfing, fishing and sailing as a youngster. Making a promise to his dad on his death bed that he'd do something to create a positive impact and the important sense of purpose that instilled in the project. Teaching his sons to surf and the possibility of passing the business on to them. Bringing in the benefits of Blue Health and his aspirations to create accessibility to The Wave for people of all ages and abilities. The sense of perspective offered by his stroke.Nick's favourite wave on earth.His favourite setting at The Wave.Ruminations on the best boards for artificial waves. See acast.com/privacy for privacy and opt-out information.

Nick Hounsfield is a British surfer and social entrepreneur, founder and chief visionary officer of The Wave, the first inland surfing destination in Bristol. Vivobarefoot Founder Asher Clark and Host Emma joins Nick to discuss ‘Blue Health'.Blue Health is based upon the concept and commonly held belief that spending time near or in water is good for us. Poor physical and mental health have huge negative impacts upon affected individuals, and the growing financial costs associated with treatment can be considerable.

Cody Quirk, MD, discusses the "Hounsfield Unit Podcast," a podcast he hosts that focuses on what matters most to Young and Early Career Professionals, along with Residents and Fellows.

Nick Hounsfield had a background in healthcare and is the chairman of Surfing England, having long been involved in the governing body. His dream to build a wave pool in a field outside Bristol has captured the attention of thousands, if not millions of people around the UK and the world. He chats with us about the highs and the lows, not just of the inception period but also about ongoing operations and the plans that The Wave has for the future. Exciting stuff!

On this bonus episode of The UK Surf Show, we took a trip to the adaptive surfing competition at The Wave Bristol where we got to see some amazing surfing, chatted to the wave maker himself, Nick Hounsfield, and the had a chat with Martin Pollock, @1limbsurfer, hosted by Surfing England and held at The Wave Bristol. This was the very first adaptive wave pool competition held in England. Hosted on Acast. See acast.com/privacy for more information.

Full article: https://www.ajronline.org/doi/abs/10.2214/AJR.20.24245  Incidentally detected renal masses are common, and can require follow-up. Recommendations from the 2017 ACR white paper on incidental renal masses suggests that small homogeneous masses measuring less than 20 Hounsfield units are probably benign, and do not require further characterization. However, new evidence from a multi-institutional study in AJR suggests that this cutoff should be raised to at least 30 Hounsfield units. In this episode, Matthew Petterson, MD discusses the new evidence.

Can HU reliably differentiate any benign sclerotic bone lesion (not just bone islands) from sclerotic metastases? David Robinson, MD explores the topic through the lens of a new AJR article on the subject. Full article: https://www.ajronline.org/doi/abs/10.2214/AJR.20.24029

¿Cuál es la relación entre el Premio Nobel de Medicina Godfrey Newbold Hounsfield y Los Beatles? Patéticos Viajantes - Lunes de 21 a 22 por www.radiomonk.com.ar

Full episode info and Show Notes - www.wearelookingsideways.com I’m back! After an unscheduled few weeks off. And I got right back into it with a visit to Bristol, where I was shown around the new Wave site by Nick Hounsfield, the man behind the entire project. Like most British surfers I’ve been following the story of the Wave for a good few years now, and I’ve long been intrigued by Nick’s role in the whole escapade. Sure, it’s about building the facility itself. But on another level, it’s a classic ‘if you build it, they will come’ story of one man and his unlikely vision. Rich territory for a podcast conversation indeed, so with the project close to completion and the first waves about to flow, I headed down to Bristol to meet Nick and dig into his whole story. The result is a conversation that covers a lot of diverse, emotional ground. Because the Wave is much more than a story about - well - a wave. There’s a deeper purpose at play, and a wider community vision for which surfing is the vehicle. And there’s another level to this, too - the implications of such developments for surfing as a whole, and what it will mean for our oldest and most jealously protected sideways culture. So yeah, a lovely weighty chat this, conducted on site a few weeks before UK surf culture changes for good. Hope you can forgive the background noise, and enjoy this unique insight into the man behind the Wave. Thanks to Matt Ward for the theme tune, and to my editor Fina Charleson.

In this video lecture, we discuss the imaging appearance of adrenal cysts and myelolipomas, as well as differential diagnostic considerations. Key points include: Adrenal cysts typically have density of simple fluid ranging from 20 to -10 Hounsfield units (HU). Adrenal pseudocysts may be symptomatic, may have a complicated appearance and may have peripheral calcification. The “claw” sign can be helpful The post Adrenal Cysts and Myelolipomas appeared first on radiologist HeadQuarters.

The effect of bone mineral density (BMD) on outcomes from total ankle arthroplasty (TAA) has not been studied. BMD can be estimated by measuring Hounsfield units (HU) on standard computed tomography(CT), which is frequently performed prior to TAA. We aimed to identify whether tibial and talar HU measured from preoperative CT scans were associated with periprosthetic fracture or revision risk in patients undergoing TAA In conclusion, lower tibial HU on preoperative CT was strongly associated with periprosthetic fracture risk with TAA. In patients with tibial HU less than 200, surgeons may consider prophylactic internal fixation of the medial malleolus. To view the article click here.

In this video lecture, we “leave no stone unturned” as we introduce both renal and bladder calculi. Also, the basics of renal mass evaluation with ultrasound, computed tomography (CT), and magnetic resonance imaging (MRI) are discussed. Topics include: The importance of Hounsfield unit density when describing renal calculi. CT and ultrasound appearance of nephrouterolithiasis and renal obstruction. Basic retroperitoneal fascial plane anatomy. Techniques to optimize The post Introduction to Genitourinary Radiology, Part II appeared first on radiologist HeadQuarters.

In 1895, Wilhelm Röntgen was an honored and admired physics professor. But reputation aside, Röntgen was 50 years old - and at that age, it is rare for a scientist to make a significant contribution to his or her field. The post Medical History: Rontgen, Hounsfield & Radiology | Curious Minds appeared first on Curious Minds Podcast.

Background: Metal implants, surgical clips and other foreign bodies may cause `streaking' or `star' artifacts in computed tomography (CT) reconstructions, for example in the vicinity of dental restorations or hip implants. The deteriorated image quality complicates contouring and has an adverse effect on quantitative planning in external beam therapy. Methods: The potential to reduce artifacts by acquisition of tilted CT reconstructions from different angles of the same object was investigated. While each of those reconstructions still contained artifacts, they were not necessarily in the same place in each CT. By combining such CTs with complementary information, a reconstructed volume with less or even without artifacts was obtained. The most straightforward way to combine the co-registered volumes was to calculate the mean or median per voxel. The method was tested with a calibration phantom featuring a titanium insert, and with a human skull featuring multiple dental restorations made from gold and steel. The performance of the method was compared to established metal artifact reduction (MAR) algorithms. Dose reduction was tested. Results: In a visual comparison, streaking artifacts were strongly reduced and details in the vicinity of metal foreign bodies became much more visible. In case of the calibration phantom, average bias in Hounsfield units was reduced by 94% and per-voxel-errors and noise were reduced by 83%. In case of the human skull, bias was reduced by 95% and noise was reduced by 94%. The performance of the method was visually superior and quantitatively compareable to established MAR algorithms. Dose reduction was viable. Conclusions: A simple post-processing method for MAR was described which required one or more complementary scans but did not rely on any a priori information. The method was computationally inexpensive. Performance of the method was quantitatively comparable to established algorithms and visually superior in a direct comparison. Dose reduction was demonstrated, artifacts could be reduced without compromising total dose to the patient.

Objectives: The objective of this study was to determine whether automated quantification of lung perfused blood volume (PBV) in dual-energy computed tomographic pulmonary angiography (DE-CTPA) can be used to assess the severity and regional distribution of pulmonary hypoperfusion in emphysema. Materials and Methods: We retrospectively analyzed 40 consecutive patients (mean age, 67 13] years) with pulmonary emphysema, who have no cardiopulmonary comorbidities, and a DE-CTPA negative for pulmonary embolism. Automated quantification of global and regional pulmonary PBV was performed using the syngo Dual Energy application (Siemens Healthcare). Similarly, the global and regional degrees of parenchymal hypodensity were assessed automatically as the percentage of voxels with a computed tomographic density less than -900 Hounsfield unit. Emphysema severity was rated visually, and pulmonary function tests were obtained by chart review, if available. Results: Global PBV generated by automated quantification of pulmonary PBV in the DE-CTPA data sets showed a moderately strong but highly significant negative correlation with residual volume in percentage of the predicted residual volume (r = -0.62; P = 0.002; n = 23) and a positive correlation with forced expiratory volume in 1 second in percentage of the predicted forced expiratory volume in 1 second (r = 0.67; P < 0.001; n = 23). Global PBV values strongly correlated with diffusing lung capacity for carbon monoxide (r = 0.80; P < 0.001; n = 15). Pulmonary PBV values decreased with visual emphysema severity (r = -0.46, P = 0.003, n = 40). Moderate negative correlations were found between global PBV values and parenchymal hypodensity both in a per-patient (r = -0.63; P G 0.001; n = 40) and per-region analyses (r = -0.62; P < 0.001; n = 40). Conclusions: Dual-energy computed tomographic pulmonary angiography allows simultaneous assessment of lung morphology, parenchymal density, and pulmonary PBV. In patients with pulmonary emphysema, automated quantification of pulmonary PBV in DE-CTPA can be used for a quick, reader-independent estimation of global and regional pulmonary perfusion, which correlates with several lung function parameters.