Explanipedia

Mammographically detected spicules associated with malignant breast tumors frequently harbor additional tumor foci Open

Heli Tuomainen, Mazen Sudah, Sarianna Joukainen, Vesa Kärjä, Amro Masarwah , et al. · 2025

Background On imaging, malignant breast masses are commonly associated with spicules. To the best of our knowledge, the clinical significance of such spiculae has not been previously studied, and no surgical guidelines are available for th…

Increased background parenchymal enhancement on peri-menopausal breast magnetic resonance imaging Open

Hidemi Okuma, Amro Masarwah, Aleksandr Istomin, Aki Nykänen, Juhana Hakumäki , et al. · 2024

Objectives: To examine the background parenchymal enhancement (BPE) levels in peri-menopausal breast MRI compared with pre- and post-menopausal breast MRI. Methods: This study included 562 patients (55.8±12.3 years) who underwent contrast-…

A dataset of mammography images with area-based breast density values, breast area, and dense tissue segmentation masks Open

Hamid Behravan, Naga Raju Gudhe, Hidemi Okuma, Mazen Sudah, Arto Mannermaa · 2024

A new dataset is presented to propel research in automated breast density estimation, a crucial factor in mammogram interpretation. Mammography, a low-dose X-ray technique for breast cancer screening, can be affected by breast density. Den…

Radiological features of screening-detected and interval breast cancers and subsequent survival in Eastern Finnish women Open

Aki Nykänen, Mazen Sudah, Amro Masarwah, Ritva Vanninen, Hidemi Okuma · 2024

Interval breast cancers are diagnosed between scheduled screenings and differ in many respects from screening-detected cancers. Studies comparing the survival of patients with interval and screening-detected cancers have reported differing…

Specimen tomosynthesis provides no additional value to specimen ultrasound in ultrasound-visible malignant breast lesions Open

Sa’ed Almasarweh, Mazen Sudah, Hidemi Okuma, Sarianna Joukainen, Ritva Vanninen , et al. · 2024

Background: The aim of this study was to evaluate the accuracy and added value of specimen tomosynthesis (ST) to specimen ultrasound (SUS) in margin assessment of excised breast specimens in breast-conserving therapy for non-palpable US-vi…

A Multi-View Deep Evidential Learning Approach for Mammogram Density Classification Open

Naga Raju Gudhe, Mazen Sudah, Reijo Sund, Veli‐Matti Kosma, Hamid Behravan , et al. · 2024

Artificial intelligence algorithms, specifically deep learning, can assist radiologists by automating mammogram density assessment. However, trust in such algorithms must be established before they are widely adopted in clinical settings. …

An evidential deep learning framework for assessment of mammograms Open

Raju Naga Gudhe, Mazen Sudah, Reijo Sund, Veli‐Matti Kosma, Hamid Behravan , et al. · 2023

In this study, we present an evidential deep learning framework called MV-DEFEAT, incorporating the strength of Dempster-Shafer evidential theory and subjective logic, for various mammogram assessment tasks, including mammogram density ass…

Diagnostic performance of tomosynthesis, digital mammography and a dedicated digital specimen radiography system versus pathological assessment of excised breast lesions Open

Sa’ed Almasarweh, Mazen Sudah, Hidemi Okuma, Sarianna Joukainen, Vesa Kärjä , et al. · 2022

Background The aim of the study was to compare the performance of full-field digital mammography (FFDM), digital breast tomosynthesis and a dedicated digital specimen radiography system (SRS) in consecutive patients, and to compare the mar…

Area-based breast percentage density estimation in mammograms using weight-adaptive multitask learning Open

Naga Raju Gudhe, Hamid Behravan, Mazen Sudah, Hidemi Okuma, Ritva Vanninen , et al. · 2022

ASO Visual Abstract: Dual-Layer Rotation: A Versatile Therapeutic Mammoplasty Technique Open

Sarianna Joukainen, Elina Laaksonen, Ritva Vanninen, Outi Kaarela, Mazen Sudah · 2022

Dual-Layer Rotation: A Versatile Therapeutic Mammoplasty Technique Open

Sarianna Joukainen, Elina Laaksonen, Ritva Vanninen, Outi Kaarela, Mazen Sudah · 2022

Background Multifocal or complex breast lesions are a challenge for breast-conserving surgery, particularly surgery in small breasts or those located in the upper inner quadrant. The dual-layer rotation technique exploits the idea of manip…

Association between breast cancer’s prognostic factors and 3D textural features of non-contrast-enhanced <i>T</i> 1 weighted breast MRI Open

Anni Lepola, Otso Arponen, Hidemi Okuma, Kirsi Holli-Helenius, Heikki Junkkari , et al. · 2021

Objectives: The aim of this exploratory study was to evaluate whether three-dimensional texture analysis (3D-TA) features of non-contrast-enhanced T 1 weighted MRI associate with traditional prognostic factors and disease-free survival (DF…

Quantitative Three-Dimensional Assessment of the Pharmacokinetic Parameters of Intra- and Peri-tumoural Tissues on Breast Dynamic Contrast-Enhanced Magnetic Resonance Imaging Open

Anton Niukkanen, Hidemi Okuma, Mazen Sudah, Päivi Auvinen, Graham J. Mann , et al. · 2021

We aimed to assess the feasibility of three-dimensional (3D) segmentation and to investigate whether semi-quantitative dynamic contrast-enhanced magnetic resonance imaging (DCE-MRI) parameters are associated with traditional prognostic fac…

Can supine breast magnetic resonance imaging help hit the target in extreme oncoplastic surgery? Open

Sarianna Joukainen, Hidemi Okuma, Outi Kaarela, Elina Laaksonen, Vesa Kärjä , et al. · 2021

Supine MRI in the surgical position is a new, promising method to localize multifocal, large tumors visible on MRI. Its short-term outcomes were comparable with those of conventional WLE and OBCS.

Multi-level dilated residual network for biomedical image segmentation Open

Naga Raju Gudhe, Hamid Behravan, Mazen Sudah, Hidemi Okuma, Ritva Vanninen , et al. · 2021

Modern imaging of the upper urinary tract Open

Mazen Sudah · 2020

The feasibility of ultrasound-guided vacuum-assisted evacuation of large breast hematomas Open

Sa’ed Almasarweh, Mazen Sudah, Sarianna Joukainen, Hidemi Okuma, Ritva Vanninen , et al. · 2020

Background Breast hematoma is an often underrated and disregarded post-procedural complication in the literature. Current treatment modalities are comprised of either surgical or expectant therapy, while percutaneous procedures play a smal…

Peritumor to tumor apparent diffusion coefficient ratio is associated with biologically more aggressive breast cancer features and correlates with the prognostication tools Open

Hidemi Okuma, Mazen Sudah, Tiia Kettunen, Anton Niukkanen, Anna Sutela , et al. · 2020

The peritumor/tumor ADC ratio was correlated with histopathological biomarkers in patients with invasive breast cancer, showed significant correlations with published prognostic indexes, and may provide an easily applicable imaging index f…

Tumor microenvironment and breast cancer survival: combined effects of breast fat, M2 macrophages and hyaluronan create a dismal prognosis Open

Satu Tiainen, Amro Masarwah, Sanna Oikari, Kirsi Rilla, Kirsi Hämäläinen , et al. · 2019

Peritumoral ADC values in breast cancer: region of interest selection, associations with hyaluronan intensity, and prognostic significance Open

Tiia Kettunen, Hidemi Okuma, Päivi Auvinen, Mazen Sudah, Satu Tiainen , et al. · 2019

• Out of four different ROI selection methods for peritumoral ADC evaluation, measurements based on visual assessment provided sufficient accuracy and were the less time-consuming method. • The peritumor/tumor ADC ratio can provide an easi…

Galactography is not an obsolete investigation in the evaluation of pathological nipple discharge Open

Aleksandr Istomin, Amro Masarwah, Marja Pitkänen, Sarianna Joukainen, Anna Sutela , et al. · 2018

The malignancy rate is negligible if clinical, mammography, ultrasound and galactography examinations are negative. Galactography remains a practical, valuable and cost-effective examination procedure. If galactography is technically unsuc…

Gadoterate meglumine decreases ADC values of breast lesions depending on the b value combination Open

Otso Arponen, Mazen Sudah, Anna Sutela, Mikko Taina, Amro Masarwah , et al. · 2018

Is there a role for contrast-enhanced ultrasound in the detection and biopsy of MRI only visible breast lesions? Open

Aki Nykänen, Otso Arponen, Anna Sutela, Ritva Vanninen, Mazen Sudah · 2017

Background This study aimed to evaluate the feasibility of contrast-enhanced ultrasound (CEUS) and CEUS-guided interventions in the diagnostics of MRI visible targeted US occult breast lesions. Patients and methods This retrospective study…

Quantitative Volumetric K-Means Cluster Segmentation of Fibroglandular Tissue and Skin in Breast MRI Open

Anton Niukkanen, Otso Arponen, Aki Nykänen, Amro Masarwah, Anna Sutela , et al. · 2017

Prognostic contribution of mammographic breast density and HER2 overexpression to the Nottingham Prognostic Index in patients with invasive breast cancer Open

Amro Masarwah, Päivi Auvinen, Mazen Sudah, Vaiva Dabravolskaité, Otso Arponen , et al. · 2016

Very low density (VLD) and HER2 positivity were prognostically significant factors independent of the NPI. Furthermore, the incorporation of VLD and HER2 to the NPI served to enhance its accuracy, thus offering a readily available and more…

Comprehensive MR Urography Protocol: Equally Good Diagnostic Performance and Enhanced Visibility of the Upper Urinary Tract Compared to Triple-Phase CT Urography Open

Mazen Sudah, Amro Masarwah, Sakari Kainulainen, Marja Pitkänen, Hanna Matikka , et al. · 2016

ClinicalTrials.gov NCT02606513.

A false positive lymph node due to thickened cortex was true negative on DWI (A-F). Open

Suvi Rautiainen, Könönen Mervi, Sironen Reijo, Masarwah Amro, Mazen Sudah , et al. · 2015

Imaging of a 41-year-old female with a BI-RADS 5 lesion in the right breast. An axillary LN with a cortical thickness of 3.9 mm was core biopsied. Final histology revealed a 30 mm, grade 3, T2 ductal carcinoma; the SLNB was benign. No recu…

Performance Measures of 3.0-T DWI MRI. Open

Suvi Rautiainen, Könönen Mervi, Sironen Reijo, Masarwah Amro, Mazen Sudah , et al. · 2015

Diffusion-Weighted Imaging in 3.0 Tesla Breast MRI: Diagnostic Performance and Tumor Characterization Using Small Subregions vs. Whole Tumor Regions of Interest Open

Otso Arponent, Mazen Sudah, Amro Masarwah, Mikko Taina, Suvi Rautiainen , et al. · 2015

ADC values assist in breast tumor characterization. Small ROIs were more accurate than whole-lesion ROIs and more frequently associated with prognostic factors. Cut-off values differed significantly depending on measurement procedure, whic…

Preoperative Axillary Staging with 3.0-T Breast MRI: Clinical Value of Diffusion Imaging and Apparent Diffusion Coefficient Open

Suvi Rautiainen, Mervi Könönen, Reijo Sironen, Amro Masarwah, Mazen Sudah , et al. · 2015

The axillary staging in newly diagnosed breast cancer is under major evolution. The aims of this study were to define the diagnostic performance of 3.0-T diffusion-weighted imaging (DWI) in the detection of axillary metastases in newly dia…

Mazen Sudah YOU? Author Swipe