Whole-body tumor segmentation from FDG-PET/CT: Leveraging a segmentation prior from tissue-wise projections

Authors: Sambit Tarai, Elin Lundström, Nouman Ahmad, Robin Strand, Håkan Ahlström, Joel Kullberg

Source: Heliyon, Vol 11, Iss 1, Pp e41038- (2025)

Subject Terms: Whole-body tumor segmentation, Multi-channel multi-angled PET/CT projections, Backprojection, Segmentation prior, Science (General), Q1-390, Social sciences (General), H1-99

File Description: electronic resource

Relation: http://www.sciencedirect.com/science/article/pii/S2405844024170697; https://doaj.org/toc/2405-8440

Access URL: https://doaj.org/article/f90b5aa5d790448d8339ebba7dc78a73

A detailed analysis of body composition in relation to cardiopulmonary exercise test indices

Authors: Per Karlsson, Robin Strand, Joel Kullberg, Karl Michaëlsson, Håkan Ahlström, Lars Lind, Andrei Malinovschi

Source: Scientific Reports, Vol 14, Iss 1, Pp 1-11 (2024)

Subject Terms: Cardiopulmonary exercise test, Body composition, MRI, Medicine, Science

File Description: electronic resource

Relation: https://doaj.org/toc/2045-2322

Access URL: https://doaj.org/article/75a97e038de3444fa73a0317765d9601

The interaction of genetics and physical activity in the pathogenesis of metabolic dysfunction associated liver disease

Authors: Hanna Frostdahl, Nouman Ahmad, Ulf Hammar, Andrés Martínez Mora, Taro Langner, Tove Fall, Joel Kullberg, Håkan Ahlström, Hannah L. Brooke, Shafqat Ahmad

Source: Scientific Reports, Vol 14, Iss 1, Pp 1-11 (2024)

Subject Terms: MASLD, CLD, Liver fat, Liver volume, IPAQ, Gene-environment interactions, Medicine, Science

File Description: electronic resource

Relation: https://doaj.org/toc/2045-2322

Access URL: https://doaj.org/article/b644cc4dfae245688d933c22ff2fc589

Voxel-wise body composition analysis using image registration of a three-slice CT imaging protocol: methodology and proof-of-concept studies

Authors: Nouman Ahmad, Hugo Dahlberg, Hanna Jönsson, Sambit Tarai, Rama Krishna Guggilla, Robin Strand, Elin Lundström, Göran Bergström, Håkan Ahlström, Joel Kullberg

Source: BioMedical Engineering OnLine, Vol 23, Iss 1, Pp 1-16 (2024)

Subject Terms: Image registration, Computed tomography, Body composition, Imiomics analysis, Medical technology, R855-855.5

File Description: electronic resource

Relation: https://doaj.org/toc/1475-925X

Access URL: https://doaj.org/article/a700e82bd3f44812a0d8cbca732216b5

Author Correction: Integration of whole-body [18F]FDG PET/MRI with non-targeted metabolomics can provide new insights on tissue-specific insulin resistance in type 2 diabetes

Authors: Klev Diamanti, Robin Visvanathar, Maria J. Pereira, Marco Cavalli, Gang Pan, Chanchal Kumar, Stanko Skrtic, Ulf Risérus, Jan W. Eriksson, Joel Kullberg, Jan Komorowski, Claes Wadelius, Håkan Ahlström

Source: Scientific Reports, Vol 14, Iss 1, Pp 1-1 (2024)

Subject Terms: Medicine, Science

File Description: electronic resource

Relation: https://doaj.org/toc/2045-2322

Access URL: https://doaj.org/article/ababa7ef72a84610ac357af95f1dd70b

Spatial mapping of tumor heterogeneity in whole-body PET–CT: a feasibility study

Authors: Hanna Jönsson, Håkan Ahlström, Joel Kullberg

Source: BioMedical Engineering OnLine, Vol 22, Iss 1, Pp 1-15 (2023)

Subject Terms: Tumor distribution, Tumor heterogeneity, Voxel-wise analysis, Whole-body PET–CT, Medical technology, R855-855.5

File Description: electronic resource

Relation: https://doaj.org/toc/1475-925X

Access URL: https://doaj.org/article/d701712cbe284f5b8752f37f5d023126

Spleen volume is independently associated with non-alcoholic fatty liver disease, liver volume and liver fibrosis

Authors: Samuel Helgesson, Sambit Tarai, Taro Langner, Håkan Ahlström, Lars Johansson, Joel Kullberg, Elin Lundström

Source: Heliyon, Vol 10, Iss 8, Pp e28123- (2024)

Subject Terms: Science (General), Q1-390, Social sciences (General), H1-99

File Description: electronic resource

Relation: http://www.sciencedirect.com/science/article/pii/S2405844024041549; https://doaj.org/toc/2405-8440

Access URL: https://doaj.org/article/71995c9ce35a44ba9a55f6e371cb602a

Automatic segmentation of large-scale CT image datasets for detailed body composition analysis

Authors: Nouman Ahmad, Robin Strand, Björn Sparresäter, Sambit Tarai, Elin Lundström, Göran Bergström, Håkan Ahlström, Joel Kullberg

Source: BMC Bioinformatics, Vol 24, Iss 1, Pp 1-21 (2023)

Subject Terms: Deep learning, Segmentation, Medical imaging, Computed tomography, Body composition, Computer applications to medicine. Medical informatics, R858-859.7, Biology (General), QH301-705.5

File Description: electronic resource

Relation: https://doaj.org/toc/1471-2105

Access URL: https://doaj.org/article/e6ead625b962454aab15e8143370ab12

A whole-body diffusion MRI normal atlas: development, evaluation and initial use

Authors: Therese Sjöholm, Sambit Tarai, Filip Malmberg, Robin Strand, Alexander Korenyushkin, Gunilla Enblad, Håkan Ahlström, Joel Kullberg

Source: Cancer Imaging, Vol 23, Iss 1, Pp 1-15 (2023)

Subject Terms: Whole-body DWI, ADC, Normal atlas, Voxel-wise analysis, Precision, Lymphoma, Medical physics. Medical radiology. Nuclear medicine, R895-920, Neoplasms. Tumors. Oncology. Including cancer and carcinogens, RC254-282

File Description: electronic resource

Relation: https://doaj.org/toc/1470-7330

Access URL: https://doaj.org/article/2e4d7e53c4a2448cb8072a84542c6ac9

Improved automated tumor segmentation in whole-body 3D scans using multi-directional 2D projection-based priors

Authors: Sambit Tarai, Elin Lundström, Therese Sjöholm, Hanna Jönsson, Alexander Korenyushkin, Nouman Ahmad, Mette A. Pedersen, Daniel Molin, Gunilla Enblad, Robin Strand, Håkan Ahlström, Joel Kullberg

Source: Heliyon, Vol 10, Iss 4, Pp e26414- (2024)

Subject Terms: Whole-body tumor segmentation, Medical image analysis, Deep learning, Maximum intensity projection, Backprojection, Segmentation prior, Science (General), Q1-390, Social sciences (General), H1-99

File Description: electronic resource

Relation: http://www.sciencedirect.com/science/article/pii/S2405844024024459; https://doaj.org/toc/2405-8440

Access URL: https://doaj.org/article/e4d702b724d347bfa66cdac98efb45bf

Correction to: Whole body FDG PET/MR for progression free and overall survival prediction in patients with relapsed/refractory large B-cell lymphomas undergoing CAR T-cell therapy

Authors: Therese Sjöholm, Alexander Korenyushkin, Gustav Gammelgård, Tina Sarén, Tanja Lövgren, Angelica Loskog, Magnus Essand, Joel Kullberg, Gunilla Enblad, Håkan Ahlström

Source: Cancer Imaging, Vol 23, Iss 1, Pp 1-3 (2023)

Subject Terms: Medical physics. Medical radiology. Nuclear medicine, R895-920, Neoplasms. Tumors. Oncology. Including cancer and carcinogens, RC254-282

File Description: electronic resource

Relation: https://doaj.org/toc/1470-7330

Access URL: https://doaj.org/article/52ca59df8c744eaa9ac3e4192f58b365

Whole body FDG PET/MR for progression free and overall survival prediction in patients with relapsed/refractory large B-cell lymphomas undergoing CAR T-cell therapy

Authors: Therese Sjöholm, Alexander Korenyushkin, Gustav Gammelgård, Tina Sarén, Tanja Lövgren, Angelica Loskog, Magnus Essand, Joel Kullberg, Gunilla Enblad, Håkan Ahlström

Source: Cancer Imaging, Vol 22, Iss 1, Pp 1-13 (2022)

Subject Terms: PET/MR, ADC, FDG, LBCL, CAR T-cells, Bone marrow, Medical physics. Medical radiology. Nuclear medicine, R895-920, Neoplasms. Tumors. Oncology. Including cancer and carcinogens, RC254-282

File Description: electronic resource

Relation: https://doaj.org/toc/1470-7330

Access URL: https://doaj.org/article/52a8c1b2021b487e86498852e9eedf1d

An image registration method for voxel-wise analysis of whole-body oncological PET-CT

Authors: Hanna Jönsson, Simon Ekström, Robin Strand, Mette A. Pedersen, Daniel Molin, Håkan Ahlström, Joel Kullberg

Source: Scientific Reports, Vol 12, Iss 1, Pp 1-12 (2022)

Subject Terms: Medicine, Science

File Description: electronic resource

Relation: https://doaj.org/toc/2045-2322

Access URL: https://doaj.org/article/be5bb587fe8e472b94738d538fe06759

Duodenum edema due to reduced lymphatic drainage leads to increased inflammation in a porcine endotoxemic model

Authors: Silvia Marchesi, Anders Larsson, Göran Hedenstierna, Mohammed Abujazar, Håkan Ahlström, Miklós Lipcsey

Source: Intensive Care Medicine Experimental, Vol 10, Iss 1, Pp 1-16 (2022)

Subject Terms: Abdominal edema, Lymphatic drainage, Abdominal inflammation, Abdominal perfusion, Magnetic resonance, DW-MRI, Medical emergencies. Critical care. Intensive care. First aid, RC86-88.9

File Description: electronic resource

Relation: https://doaj.org/toc/2197-425X

Access URL: https://doaj.org/article/50a4d517d3754802be9d5edccb0b72da

Study protocol for locoregional precision treatment of hepatocellular carcinoma with transarterial chemoembolisation (TACTida), a clinical study: idarubicin dose selection, tissue response and survival

Authors: Fredrik Rorsman, Ulrika S H Simonsson, Håkan Ahlström, Sofi Sennefelt Nyman, Angeliki Dimopoulou Creusen, David Dahlgren, Mikael Hedeland, Femke Heindryckx, Ulf Johnson, Jaafar Khaled, Fredrik Kullenberg, Rickard Nyman, Reza Sheikhi, Erik Sjögren, Alkwin Wanders, Hans Lennernäs, Charlotte Ebeling Barbier

Source: BMJ Open, Vol 12, Iss 11 (2022)

Subject Terms: Medicine

File Description: electronic resource

Relation: https://bmjopen.bmj.com/content/12/11/e065839.full; https://doaj.org/toc/2044-6055

Access URL: https://doaj.org/article/7c7c91e342a24d6c8b67d590e1e651b2

PET/MRI of glucose metabolic rate, lipid content and perfusion in human brown adipose tissue

Authors: Elin Lundström, Jonathan Andersson, Mathias Engström, Mark Lubberink, Robin Strand, Håkan Ahlström, Joel Kullberg

Source: Scientific Reports, Vol 11, Iss 1, Pp 1-14 (2021)

Subject Terms: Medicine, Science

File Description: electronic resource

Relation: https://doaj.org/toc/2045-2322

Access URL: https://doaj.org/article/515dee6025e04e739b1252257d646efc

18Fluorodeoxyglucose uptake in relation to fat fraction and R2* in atherosclerotic plaques, using PET/MRI: a pilot study

Authors: Elin Good, Miguel Ochoa-Figueroa, Magnus Ziegler, Marcus Ressner, Marcel Warntjes, Petter Dyverfeldt, Mark Lubberink, Håkan Ahlström, Ebo de Muinck

Source: Scientific Reports, Vol 11, Iss 1, Pp 1-11 (2021)

Subject Terms: Medicine, Science

File Description: electronic resource

Relation: https://doaj.org/toc/2045-2322

Access URL: https://doaj.org/article/4022b1d0a6cd42888d6f852bf2d7e5fa

Validation of 18F-FDG PET/MRI and diffusion-weighted MRI for estimating the extent of peritoneal carcinomatosis in ovarian and endometrial cancer -a pilot study

Authors: Björg Jónsdóttir, Montserrat Alemany Ripoll, Antonina Bergman, Ilvars Silins, Inger Sundström Poromaa, Håkan Ahlström, Karin Stålberg

Source: Cancer Imaging, Vol 21, Iss 1, Pp 1-10 (2021)

Subject Terms: PET/MRI, DW-MRI, Ovarian cancer, Peritoneal cancer index (PCI), Carcinomatosis, Medical physics. Medical radiology. Nuclear medicine, R895-920, Neoplasms. Tumors. Oncology. Including cancer and carcinogens, RC254-282

File Description: electronic resource

Relation: https://doaj.org/toc/1470-7330

Access URL: https://doaj.org/article/5d524079961e423b85fbed9fd71a63bb

Determinants of hyperglucagonemia in pediatric non-alcoholic fatty liver disease

Authors: Katharina Maruszczak, Konrad Radzikowski, Sebastian Schütz, Harald Mangge, Peter Bergsten, Anders Forslund, Hannes Manell, Thomas Pixner, Håkan Ahlström, Joel Kullberg, Katharina Mörwald, Daniel Weghuber

Source: Frontiers in Endocrinology, Vol 13 (2022)

Subject Terms: glucagon, childhood obesity, NAFLD, pediatrics, hyperglucagonemia, Diseases of the endocrine glands. Clinical endocrinology, RC648-665

File Description: electronic resource

Relation: https://www.frontiersin.org/articles/10.3389/fendo.2022.1004128/full; https://doaj.org/toc/1664-2392

Access URL: https://doaj.org/article/422f72c04dc84603a266efcd7ac1b805

Quantitative comparison of data-driven gating and external hardware gating for 18F-FDG PET-MRI in patients with esophageal tumors

Authors: Sofia Kvernby, Nafsika Korsavidou Hult, Elin Lindström, Jonathan Sigfridsson, Gustav Linder, Jakob Hedberg, Håkan Ahlström, Tomas Bjerner, Mark Lubberink

Source: European Journal of Hybrid Imaging, Vol 5, Iss 1, Pp 1-11 (2021)

Subject Terms: Respiratory gating, DDG, PET-MRI, Esophageal tumors, Medical physics. Medical radiology. Nuclear medicine, R895-920

File Description: electronic resource

Relation: https://doaj.org/toc/2510-3636

Access URL: https://doaj.org/article/c17487bec6e94992ad0c78610589698c