keyword
https://read.qxmd.com/read/38520805/pancreatic-cyst-prevalence-and-detection-with-photon-counting-ct-compared-with-conventional-energy-integrating-detector-ct
#21
JOURNAL ARTICLE
Bari Dane, Jesi Kim, Kun Qian, Alec Megibow
PURPOSE: To calculate the prevalence of pancreatic cysts on photon counting CT (PCCT) and compare with that of 128-slice conventional energy-integrating detector CT (EIDCT). METHOD: A retrospective single institution database search identified all contrast-enhanced abdominal CT examinations performed at an outpatient facility that has both a PCCT and EIDCT between 4/11/2022 and 7/26/2022. The presence and size of pancreatic cysts were recorded. In patients with PCCT reported pancreatic cysts, prior CT imaging (EIDCT) was reviewed for reported pancreatic cysts...
March 20, 2024: European Journal of Radiology
https://read.qxmd.com/read/38516247/autoimmune-pancreatitis-cornerstones-and-future-perspectives
#22
REVIEW
Camilla Gallo, Giulia Dispinzieri, Nicola Zucchini, Pietro Invernizzi, Sara Massironi
Autoimmune pancreatitis (AIP) is an autoimmune subtype of chronic pancreatitis resulting from the aberrant immune response against the pancreas, leading to inflammation and fibrosis. Although AIP is rare, its incidence is increasing and is often misdiagnosed as other pancreatic diseases. AIP is commonly classified into two types. Type 1 AIP (AIP-1) is typically associated with elevated serum immunoglobulin G4 (IgG4) levels and systemic manifestations, while type 2 AIP is typically a more localized form of the disease, and may coexist with other autoimmune disorders, especially inflammatory bowel diseases...
February 28, 2024: World Journal of Gastroenterology: WJG
https://read.qxmd.com/read/38515946/trauma-to-the-solid-abdominal-organs-the-missed-dark-box-of-colonoscopy
#23
EDITORIAL
Mohamed H Emara, Usama Mazid, Yasmine A Elshaer, Mahmoud A Elkerdawy, Dilaver Farooq Malik, Aya M Mahros
Colonoscopy is an integral part of the lower bowel care and is generally considered a potentially safe diagnostic and therapeutic procedure performed as a daycare outpatient procedure. Colonoscopy is associated with different complications that are not limited to adverse events related to the bowel preparation solutions used, the sedatives used, but to the procedure related as well including bleeding and perforation. Injuries to the extra-luminal abdominal organs during colonoscopy are uncommon, however, serious complications related to the procedure have been reported infrequently in the literature...
February 21, 2024: World Journal of Gastroenterology: WJG
https://read.qxmd.com/read/38510822/-18-f-fdopa-pet-ct-in-solid-pseudopapillary-tumor-of-the-pancreas-a-recurred-tumor-mimicking-splenosis
#24
Joonhyung Gil, Minseok Suh, Hongyoon Choi, Jin Chul Paeng, Gi Jeong Cheon, Keon Wook Kang
Solid pseudopapillary tumor (SPT) of the pancreas is a neoplasm with low malignant potential. It is often challenging to diagnose SPT due to its nonspecific clinical and radiological features, and [18 F]FDOPA is effective in diagnosing SPT, particularly in differentiating SPT from benign conditions such as splenosis. A 55-year-old woman underwent distal pancreatectomy and splenectomy for histologically confirmed SPT. She was also initially diagnosed with splenosis. During follow-up, sizes of multiple nodular lesions were increased, raising the possibility of peritoneal seeding of SPT...
April 2024: Nuclear Medicine and Molecular Imaging
https://read.qxmd.com/read/38509705/cinematic-rendering-of-pancreatic-neuroendocrine-tumours-opportunities-for-clinical-implementation-part-2-preoperative-planning-and-evaluation-of-metastatic-disease
#25
REVIEW
Taha M Ahmed, Elliot K Fishman, Linda C Chu
Pancreatic neuroendocrine tumours (PNETs) are a rare subset of pancreatic tumours that have historically comprised up to 3% of all clinically detected pancreatic tumours. In recent decades, however, advancements in imaging have led to an increased incidental detection rate of PNETs and imaging has played an increasingly central role in the initial diagnostics and surgical planning of these tumours. Cinematic rendering (CR) is a 3D post-processing technique that generates highly photorealistic images through more realistically modelling the path of photons through the imaged volume...
March 20, 2024: Canadian Association of Radiologists Journal
https://read.qxmd.com/read/38504146/cinematic-rendering-of-pancreatic-neuroendocrine-tumours-opportunities-for-clinical-implementation-part-1-tumour-detection-and-characterization
#26
REVIEW
Taha M Ahmed, Elliot K Fishman, Linda C Chu
Pancreatic neuroendocrine tumours (PNETs) are a rare subset of pancreatic tumours that have historically comprised up to 3% of all clinically detected pancreatic tumours. In recent decades, however, advancements in imaging have led to an increased incidental detection rate of PNETs and imaging has played an increasingly central role in the initial diagnostics and surgical planning of these tumours. Cinematic rendering (CR) is a 3D post-processing technique that generates highly photorealistic images through more realistically modelling the path of photons through the imaged volume...
March 19, 2024: Canadian Association of Radiologists Journal
https://read.qxmd.com/read/38503996/tumor-suppression-effect-of-ultrasound-sensitive-nanoparticles-with-focused-ultrasound-in-a-pancreas-cancer-xenograft-model
#27
JOURNAL ARTICLE
Soojin Kim, Jae Young Lee, Eun-Joo Park, Yun Deok Ahn, Yuri Cheon, Wonchul Sim, Hak Jong Lee
BACKGROUND: We investigated the tumor suppression effect of an ultrasound-sensitive doxorubicin-loaded liposome-based nanoparticle, IMP301, to enhance the synergistic effect with focused ultrasound (FUS) in an animal model of pancreatic cancer. METHODS: Thirty nude mice with xenografts of PANC-1 human pancreatic cancer cells were randomly and prospectively allocated to 6 different groups (5 per group) each for Study-1 (dose-response test) and Study-2 (synergistic effect test)...
March 20, 2024: European Radiology Experimental
https://read.qxmd.com/read/38498132/anatomical-attention-can-help-to-segment-the-dilated-pancreatic-duct-in-abdominal-ct
#28
JOURNAL ARTICLE
Chen Shen, Holger R Roth, Yuichiro Hayashi, Masahiro Oda, Gen Sato, Tadaaki Miyamoto, Daniel Rueckert, Kensaku Mori
PURPOSE: Pancreatic duct dilation is associated with an increased risk of pancreatic cancer, the most lethal malignancy with the lowest 5-year relative survival rate. Automatic segmentation of the dilated pancreatic duct from contrast-enhanced CT scans would facilitate early diagnosis. However, pancreatic duct segmentation poses challenges due to its small anatomical structure and poor contrast in abdominal CT. In this work, we investigate an anatomical attention strategy to address this issue...
March 18, 2024: International Journal of Computer Assisted Radiology and Surgery
https://read.qxmd.com/read/38494526/irreversible-electroporation-to-bring-initially-unresectable-locally-advanced-pancreatic-adenocarcinoma-to-surgery-the-irecap-phase-ii-study
#29
JOURNAL ARTICLE
Jean-Pierre Tasu, Guillaume Herpe, Jérôme Damion, Jean-Pierre Richer, Bertrand Debeane, Mathilde Vionnet, Laetitia Rouleau, Michel Carretier, Aurélie Ferru, Pierre Ingrand, David Tougeron
OBJECTIVES: The aim of the IRECAP study was to evaluate the rate of locally advanced pancreas cancer patients (LAPC) who could undergo R0 or R1 surgery after irreversible electroporation (IRE). MATERIALS AND METHODS: IRECAP study is a phase II, single-center, open-label, prospective, non-randomized trial registered at clinicaltrials.gov (NCT03105921). Patients with LAPC were first treated by 3-month neo-adjuvant chemotherapy in order to avoid inclusion of either patients with LAPC having become resectable after chemotherapy or patients with rapid disease progression...
March 18, 2024: European Radiology
https://read.qxmd.com/read/38490841/clinical-and-ct-quantitative-features-for-predicting-liver-metastases-in-patients-with-pancreatic-neuroendocrine-tumors-a-study-with-prospective-external-validation
#30
JOURNAL ARTICLE
Yao Pan, Hai-Yan Chen, Jie-Yu Chen, Xiao-Jie Wang, Jia-Ping Zhou, Lei Shi, Ri-Sheng Yu
RATIONALE AND OBJECTIVES: We aimed to evaluate clinical characteristics and quantitative CT imaging features for the prediction of liver metastases (LMs) in patients with pancreatic neuroendocrine tumors (PNETs). METHODS: Patients diagnosed with pathologically confirmed PNETs were included, 133 patients were in the training group, 22 patients in the prospective internal validation group, and 28 patients in the external validation group. Clinical information and quantitative features were collected...
March 14, 2024: Academic Radiology
https://read.qxmd.com/read/38483247/multimodality-imaging-features-of-immunoglobulin-g4-related-vessel-involvement
#31
JOURNAL ARTICLE
Aileen O'Shea, Rory K Crotty, Mangun Kaur Randhawa, George Oliveira, Cory A Perugino, John H Stone, Mukesh G Harisinghani, Zachary S Wallace, Sandeep S Hedgire
Immunoglobulin 4 (IgG4)-related disease is a chronic immune-mediated fibroinflammatory disorder. Involvement of the vascular system, including large- and medium-sized vessels, is increasingly recognized. The varied appearances of vascular involvement reflect the sequela of chronic inflammation and fibrosis and can include aortitis and periaortitis with resultant complications such as aneurysm formation and dissection. A diagnosis of IgG4-related large vessel involvement should be considered when there is known or suspected IgG4-related disease elsewhere...
April 2024: Radiology. Cardiothoracic imaging
https://read.qxmd.com/read/38482693/distinctive-pathology-associated-with-focal-stenosis-of-the-main-pancreatic-duct-secondary-to-remote-trauma-a-long-term-complication-of-seat-belt-pancreatitis
#32
JOURNAL ARTICLE
Annie A Wu, Elizabeth D Thompson, John L Cameron, Jin He, Richard A Burkhart, William R Burns, Kelly J Lafaro, Christopher R Shubert, Marcia I Canto, Elliot K Fishman, Ralph H Hruban
The radiologic finding of focal stenosis of the main pancreatic duct is highly suggestive of pancreatic cancer. Even in the absence of a mass lesion, focal duct stenosis can lead to surgical resection of the affected portion of the pancreas. We present four patients with distinctive pathology associated with non-neoplastic focal stenosis of the main pancreatic duct. The pathology included stenosis of the pancreatic duct accompanied by wavy, acellular, serpentine-like fibrosis, chronic inflammation with foreign body-type giant cell reaction, and calcifications...
March 14, 2024: American Journal of Surgical Pathology
https://read.qxmd.com/read/38478039/pancreatic-congenital-anomalies-and-their-features-on-ct-and-mr-imaging-a-pictorial-review
#33
REVIEW
Gary Amseian, Juan-Ramón Ayuso
OBJECTIVE: To review the congenital anomalies of the pancreas with their main clinical manifestations and key imaging findings on CT and MRI. BACKGROUND AND CLINICAL SIGNIFICANCE: Anomalies of pancreatic development are frequent and generally asymptomatic, but can mimic and predispose individuals to pancreatic or peripancreatic pathologies, such as pancreatitis or malignancy. Their correct diagnosis may help avoid unnecessary further investigations and procedures, or establish adequate treatment when they manifest clinically...
March 13, 2024: Abdominal Radiology
https://read.qxmd.com/read/38460184/development-of-a-ct-based-radiomics-clinical-model-to-diagnose-acute-pancreatitis-on-nonobvious-findings-on-ct-in-children-with-pancreaticobiliary-maljunction
#34
JOURNAL ARTICLE
Tian-Na Cai, Lian Zhao, Yang Yang, Hui-Min Mao, Shun-Gen Huang, Wan-Liang Guo
OBJECTIVES: Since neither abdominal pain nor pancreatic enzyme elevation is specific for acute pancreatitis (AP), the diagnosis of AP in patients with pancreaticobiliary maljunction (PBM) may be challenging when the pancreas appears normal or nonobvious on computed tomography (CT). This study aimed to develop a quantitative radiomics-based nomogram of pancreatic CT for identifying AP in children with PBM who have nonobvious findings on CT. METHODS: PBM patients with a diagnosis of AP evaluated at the Children's Hospital of Soochow University from June 2015 to October 2022 were retrospectively reviewed...
March 9, 2024: British Journal of Radiology
https://read.qxmd.com/read/38460085/refractory-postoperative-pancreatic-fistula-following-laparoscopic-distal-pancreatectomy-for-pancreatic-cancer-caused-by-incomplete-pancreas-divisum-a-case-report
#35
JOURNAL ARTICLE
Naotake Funamizu, Mio Uraoka, Yuki Numata, Mitsuhito Koizumi, Kohei Ogawa, Yoshio Ikeda, Yasutsugu Takada
Pancreas divisum (PD) represents a prevalent congenital pancreatic variant, typically arising from the failure of fusion between the ventral and dorsal pancreatic ducts. This condition is frequently associated with recurrent pancreatitis. We herein present a case involving an incomplete PD diagnosis following the identification of a refractory postoperative pancreatic fistula (POPF) after laparoscopic distal pancreatectomy (DP) for pancreatic cancer. A 74-year-old female patient, who had undergone laparoscopic DP for pancreatic cancer, developed a POPF accompanied by intraabdominal bleeding, necessitating urgent intervention radiology to avert life-threatening complications...
March 9, 2024: Clinical Journal of Gastroenterology
https://read.qxmd.com/read/38453389/effect-of-x-ray-tube-on-image-quality-and-pancreatic-ductal-adenocarcinoma-conspicuity-in-pancreatic-protocol-dual-energy-ct
#36
JOURNAL ARTICLE
Y Noda, Y Takai, T Suto, N Yamada, T Mori, N Kawai, T Kaga, F Hyodo, H Kato, M Matsuo
AIM: To compare the radiation dose, image quality, and conspicuity of pancreatic ductal adenocarcinoma (PDAC) in pancreatic protocol dual-energy computed tomography (CT) between two X-ray tubes mounted in the same CT machine. MATERIAL AND METHODS: This retrospective study comprised 80 patients (median age, 73 years; 45 men) who underwent pancreatic protocol dual-energy CT from January 2019 to March 2022 using either old (Group A, n=41) or new (Group B, n=39) X-ray tubes mounted in the same CT machine...
April 2024: Clinical Radiology
https://read.qxmd.com/read/38449488/postmortem-computed-tomography-of-barium-peritonitis-due-to-descending-colon-perforation
#37
Norihiro Shinkawa, Mitsuro Yanagita, Nobuhiro Yukawa, Tatsuhiro Nagatomo
We describe herein the findings from postmortem computed tomography (PMCT) of barium peritonitis due to descending colon perforation. The patient was a woman in her 60s who underwent upper gastrointestinal series with barium swallow for the purpose of physical examination. The patient developed abdominal pain the next day and visited a clinic, but was sent home for later follow-up. She was found dead at home 8 days after upper gastrointestinal series. Based on the corpse phenomena and police investigations of the scene of death, the patient was estimated to have died 6 days after the upper gastrointestinal series...
May 2024: Radiology Case Reports
https://read.qxmd.com/read/38448348/association-of-autoimmune-pancreatitis-and-intraductal-papillary-mucinous-neoplasm-a-retrospective-analysis-from-a-tertiary-care-referral-center
#38
JOURNAL ARTICLE
Marco Lanzillotta, Lino Iago Belli, Giulio Belfiori, Diego Palumbo, Marco Schiavo-Lena, Gabriele Capurso, Paolo Giorgio Arcidiacono, Lorenzo Dagna, Massimo Falconi, Stefano Crippa, Emanuel Della-Torre
BACKGROUND: Autoimmune Pancreatitis (AIP) is a rare chronic inflammatory disease affecting the pancreas. Chronic pancreatic inflammation represents a risk factor for pre-neoplastic conditions such as Intraductal Papillary Mucinous Neoplasia (IPMN). Due to the rarity of AIP, the incidence, and clinical features of IPMN occurring in AIP patients remains unknown. AIMS: In the present study we aimed to explore the relationship between AIP and IPMN and to characterize the clinical features and outcomes of IPMN occurring in the context of AIP...
March 1, 2024: Pancreatology: Official Journal of the International Association of Pancreatology (IAP) ... [et Al.]
https://read.qxmd.com/read/38443232/natural-history-and-growth-prediction-model-of-pancreatic-serous-cystic-neoplasms
#39
JOURNAL ARTICLE
Jenny H Chang, Breanna C Perlmutter, Chase Wehrle, Robert Naples, Kathryn Stackhouse, John McMichael, Tu Chao, Samer Naffouje, Toms Augustin, Daniel Joyce, Robert Simon, R Matthew Walsh
OBJECTIVE: Serous cystic neoplasms (SCN) are benign pancreatic cystic neoplasms that may require resection based on local complications and rate of growth. We aimed to develop a predictive model for the growth curve of SCNs to aid in the clinical decision making of determining need for surgical resection. METHODS: Utilizing a prospectively maintained pancreatic cyst database from a single institution, patients with SCNs were identified. Diagnosis confirmation included imaging, cyst aspiration, pathology, or expert opinion...
February 28, 2024: Pancreatology: Official Journal of the International Association of Pancreatology (IAP) ... [et Al.]
https://read.qxmd.com/read/38438200/primary-pancreatic-lymphoma-histopathological-pattern-of-8-cases
#40
JOURNAL ARTICLE
Jaudah A Al-Maghrabi
OBJECTIVES: To report the histopathological pattern of primary pancreatic lymphoma (PPL) in 2 tertiary hospitals. METHODS: The pathology slides and reports of all the cases diagnosed in pathology departments in 2 referral hospitals were reviewed. An additional immunohistochemistry study was done to reclassify lymphomas according to the current system. RESULTS: Eight patients with PPL have been identified. The ages ranged from 36 to 71 years...
March 2024: Saudi Medical Journal
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