13 documents found, page 1 of 2

Advanced diffusion-weighted imaging of the pancreas: pre-clinical and clinical ...

Resumo: O cancro do pâncreas é um dos cancros mais letais no mundo, com maior peso no mundo ocidental. A taxa de sobrevivência global aos 5 anos é estimada atualmente em 13%. Este cenário sombrio é atribuído ao habitual diagnóstico tardio em fases avançadas, impossibilitando a ressecção cirúrgica, que continua a ser a única opção potencialmente curativa. Assim, o diagnóstico precoce é fundamental para melhorar ...

Diffusion tensor imaging and diffusion kurtosis imaging of the pancreas - feasi...

Publisher Copyright: © The Author(s) 2025.; Purpose: This study aims to determine the feasibility, image quality, intra-subject repeatability and inter-reader variability of Diffusion tensor (DTI) and Diffusion kurtosis imaging (DKI) for pancreatic imaging using different protocols and report normative values in healthy individuals. Methods: Single-institution prospective study performed on healthy volunteers i...

Diffusion-Weighted Imaging for Determining Response to Neoadjuvant Therapy in P...

Objectives: To determine the role of diffusion-weighted imaging (DWI) for predicting response to neoadjuvant therapy (NAT) in pancreatic cancer. Materials and methods: MEDLINE, EMBASE, and Cochrane Library databases were searched for studies evaluating the performance of apparent diffusion coefficient (ADC) to assess response to NAT. Data extracted included ADC pre- and post-NAT, for predicting response as defi...

Imaging of Pancreatic Ductal Adenocarcinoma - An Update for All Stages of Patie...

Background: Pancreatic ductal adenocarcinoma (PDAC) is a common and lethal cancer. From diagnosis to disease staging, response to neoadjuvant therapy assessment and patient surveillance after resection, imaging plays a central role, guiding the multidisciplinary team in decision-planning. Review aims and findings: This review discusses the most up-to-date imaging recommendations, typical and atypical findings, ...

Caso Clínico ARP nº 29: Qual o seu diagnóstico?

Editorial - Nova Equipa Editorial da ARP

Apresento-vos a nova equipa Editorial da Acta Radiológica Portuguesa (ARP), que entra agora em funções. A estrutura editorial é constituída por um Editor-Chefe, Editores de Secção, e Editores Associados. Pretende-se com esta organização facilitar e acelerar o trabalho de revisão por pares. Neste Editorial discutem-se também alguns dos desafios que se colocam hoje à ARP, e perspectivas futuras da revista.; I pre...

Lesão Incomum da Base do Crânio: Hemangiopericitoma da Fossa Craniana Média

Meningioma is the most common intracranial tumor affecting the skull base and the diagnosis is usually straightforward on imaging studies. However, other lesions can appear similar on imaging studies. A 60 year-old-man presented with non-specific neurological symptoms, including memory loss and behavioral changes. CT and MR imaging disclosed an extra-axial, dural-based lesion in the middle cranial fossa. The le...

Caso Clínico ARP Nº 14: Linfoma Primário Hepático

Uma mulher de 75 anos apresentou queixas de dor abdominal vaga há três meses. Investigações laboratoriais de rotina não eram dignas de nota, exceto por leve anemia. O nível sérico de alfa-fetoproteína (AFP), o nível sérico de lactato desidrogenase (LDH) e os níveis séricos de antígeno carcinoembrionário (CEA) estavam dentro dos limites normais. Os testes de função hepática foram alterados, mostrando níveis elev...

All about portal vein: a pictorial display to anatomy, variants and physiopatho...

The portal vein (PV) is the main vessel of the portal venous system (PVS), which drains the blood from the gastrointestinal tract, gallbladder, pancreas, and spleen to the liver. There are several variants affecting the PV, and quite a number of congenital and acquired pathologies.In this pictorial review, we assess the embryological development and normal anatomy of the PVS, displaying selected cases consistin...

Caso Clínico ARP nº14: Qual o seu diagnóstico?

A 73-year-old woman who has been consulting the A 75-year-old woman presented with complaints of vague abdominal pain since 3 months. Routine laboratory investigations were unremarkable, except for slight anemia. Serum alfa fetoprotein (AFP) level, serum lactate dehydrogenase (LDH) level and serum carcinoembryonic antigen (CEA) levels were within normal limits. Liver function tests were altered, showing elevate...