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Abdominal CT

Kelvin Yafan Wang, Omar Abbassi, Ali Warsi
We report the case of a 46-year-old woman who had presented with left-sided abdominal pain 21 days after undergoing a left-sided laparoscopic nephrectomy for donation. Initial haemoglobin and haematocrit levels were within normal range, and vital signs on admission were unremarkable. Significant intra-abdominal pathology was not suspected; however, inpatient CT scan of the abdomen showed a posterolateral subcapsular splenic haematoma with free abdominal fluid. Initial trial of conservative management was not successful as the patient became hypotensive on the third day of admission with a sudden decrease in haemoglobin and haematocrit...
June 15, 2018: BMJ Case Reports
Bradley Trinidad, Craig Weinkauf, John Hughes
Aortic graft infection is a feared complication after open abdominal aortic aneurysm repair secondary to its high mortality. Perigraft air is a common finding after open aortic aneurysm repair; however, it is also associated with aortic graft infection. Delineating between graft infection and common postoperative finding is a challenge. This is further complicated by use of hemostatic agents such as Gelfoam, which is also documented to cause perigraft air. Correct diagnosis has crucial implications in management of potential aortic graft infection, which is a vascular emergency...
April 2018: Radiology Case Reports
Antonio Pierro, Savino Cilla, Pietro Modugno, Enrico Maria Centritto, Carlo Maria De Filippo, Giuseppina Sallustio
We described the utility of computed tomography (CT) angiography in detection of bleeding vessels for a rapid percutaneous arterial embolization of the spontaneous rectus sheath hematoma. A 70-year-old woman comes to our attention with acute abdominal pain and a low hemoglobin level. An unenhanced CT was performed demonstrating a large rectus sheath hematoma. A conservative management was initially established. Despite this therapy, the abdominal pain increased together with a further decrease of hemoglobin values...
April 2018: Radiology Case Reports
Dongting Liu, Zhanming Fan, Yu Li, Nan Zhang, Zhonghua Sun, Jing An, Aurélien F Stalder, Andreas Greiser, Jiayi Liu
The purpose of this study is to evaluate the hemodynamic characteristics of the true lumen (TL) and the false lumen (FL) in 16 patients with aortic dissection (AD) using 4D flow magnetic resonance imaging (MRI) and thoracic and abdominal computed tomography (CT) angiography. The quantitative parameters that were measured in the TL and FL included velocity and flow. The mean area and regurgitant fraction of the TL were significantly lesser at all four levels (p < 0.05); the average through-plane velocity, peak velocity magnitude, average net flow, peak flow, and net forward volume in the TL were considerably higher (p < 0...
June 14, 2018: Scientific Reports
Joo Hyung Lee, Hyung Sun Kim, Ji Sub Kim, Dong Ki Lee, Jin Hong Lim
RATIONALE: Immunoglobulin (Ig)G4-related pseudotumors of the liver are very rare diseases that are difficult to distinguish from malignant tumors. They can be usually improved by steroid therapy. Actinomycosis is a chronic, suppurative, granulomatous infection, for which immune suppression is a predisposing factor. It can also mimic malignant tumors. PATIENT CONCERNS: A 67-year-old man presented with mild abdominal discomfort and a 5-kg weight loss for 3 months...
June 2018: Medicine (Baltimore)
Kentaro Matsuo, Masaya Inoue, Yasutsugu Shirai, Tatsuki Kataoka, Shuji Kagota, Kohei Taniguchi, Sang-Woong Lee, Kazuhisa Uchiyama
RATIONALE: Liposarcoma (LPS) is a relatively rare malignant soft tissue tumor. Management of LPS including diagnosis is difficult, because it has no characteristic symptoms and no established effective treatment. Herein we reported an extremely rare case of intussusception induced by primary small bowel LPS. PATIENT'S CONCERN: A-84-year-old male was a consult to our Emergency Department with symptoms of a terrible general fatigue, abdominal pain, and vomiting. DIAGNOSIS: Abdominal ultrasonography and computed tomography (CT) revealed probable intussusception...
June 2018: Medicine (Baltimore)
Chunyan Jiang, Xueming Chen, Jianshe Li, Hongwei Li
RATIONALE: The treatment of secondary aortoenteric fistula (SAEF) involves maintaining hemodynamic stability, infection control, revascularization, and surgical repair. Conventional open repair is associated with high mortality, whereas endovascular stent-graft repair is associated with recurrent infection or bleeding. PATIENT CONCERNS: We report the case of an 85-year-old man with SAEF who presented with gastrointestinal bleeding and retroperitoneal abscess. DIAGNOSES: He was misdiagnosed for 5 months...
June 2018: Medicine (Baltimore)
Luca Napolitano, Mathew Waku, Gustavo Maggi, Franco Ciarelli
Cystic intestinal pneumatosis (CIP) is the presence of gas bubbles inside the wall of the intestine. In literature it has been reported to be associated with a variety of clinical conditions such as: superior mesenteric ischemia, intestinal perforation, bowel necrosis, infections which can cause mucosal alterations and therefore increasing its permeability, necrotizing enterocolitis in babies, trauma, intestinal obstruction, autoimmune and pulmonary pathologies. Its presence is usually documented by radiological techniques such as abdominal X-ray, CT scan and endoscopy and are usually characterized by the typical pattern of gas bubbles in the wall of the intestine...
March 19, 2018: Annali Italiani di Chirurgia
Andrea M Walters, Mauria A O'Brien, Laura E Selmic, Sue Hartman, Maureen McMichael, Robert T O'Brien
OBJECTIVE: To determine the agreement between focused assessment with sonography for trauma (FAST) exams and computed tomography (CT) for the detection of pleural and peritoneal fluid and pneumothorax in animals that have sustained recent trauma. DESIGN: Prospective study. SETTING: University Teaching Hospital. ANIMALS: Thirteen dogs and 2 cats were enrolled into the study, with 10 having sustained blunt force trauma and 5 penetrating trauma...
June 14, 2018: Journal of Veterinary Emergency and Critical Care
Hyung Rae Kim, Minjung Seo, Yang Won Nah, Hyung Woo Park, Seol Hoon Park
PURPOSE: To evaluate the diagnostic accuracy of fluorine-18-fluorodeoxyglucose PET/computed tomography (F-FDG PET/CT) for lymph node (LN) metastasis and the prognostic significance of F-FDG PET/CT LN parameters in patients with resectable pancreatic cancer. PATIENTS AND METHODS: Patients with resectable pancreatic cancer who underwent staging F-FDG PET/CT between May 2007 and September 2016 were retrospectively enrolled and analyzed through medical record and image re-evaluation...
July 2018: Nuclear Medicine Communications
Bong-Hae Cho, Dong-Hoon Shin, Yun-Hoa Jung, Hae-Ryoun Park
Burkitt lymphoma, a subtype of non-Hodgkin's lymphoma, is an aggressive neoplasm with three variants that are endemic, sporadic, and immunodeficiency associated. We present an unusual case of sporadic Burkitt lymphoma in a 6-year-old boy who initially presented with hypermobile teeth and no other specific signs or symptoms. On dental radiography, the patient was found to have alveolar bone resorption adjacent to the maxillary first molars, with the appearance of floating teeth. In addition, magnetic resonance imaging (MRI) showed extensive soft tissue masses involving four quadrants of the jaws...
May 2018: Journal of Oral Biology and Craniofacial Research
Antonio Tursi
Diverticulosis of the colon is a common condition, and about one fourth of those people develop symptoms, which is called "diverticular disease" (DD). Since there are still some concerns about the diagnosis of diverticular disease, the aim of this review was to analyse current and evolving advances in its diagnosis. Area covered: Analysis of clinical, radiology, laboratory and endoscopic tools to pose a correct diagnosis of DD was performed according to current PubMed literature. Expert commentary: A combination of clinical characteristic of the abdominal pain and fecal calprotectin expression may help to differentiate between Symptomatic Uncomplicated Diverticular Disease (SUDD) and Irritable Bowel Syndrome (IBS)...
June 9, 2018: Expert Review of Gastroenterology & Hepatology
Meg F Bobo, Shunxing Bao, Yuankai Huo, Yuang Yao, Jack Virostko, Andrew J Plassard, Ilwoo Lyu, Albert Assad, Richard G Abramson, Melissa A Hilmes, Bennett A Landman
Abdominal image segmentation is a challenging, yet important clinical problem. Variations in body size, position, and relative organ positions greatly complicate the segmentation process. Historically, multi-atlas methods have achieved leading results across imaging modalities and anatomical targets. However, deep learning is rapidly overtaking classical approaches for image segmentation. Recently, Zhou et al. showed that fully convolutional networks produce excellent results in abdominal organ segmentation of computed tomography (CT) scans...
March 2018: Proceedings of SPIE
Akihiro Hayashi, Mirai Edano, Kazunori Maeda, Atsushi Yanagitani, Kiwamu Tanaka, Hajime Isomoto
Abdominal ultrasonography revealed a low echoic mass in the upper abdomen of a 65-year-old man. He was referred to our department, where abdominal CT revealed a tumor with a 30-mm contrast effect on the distal side of the inferior part of the duodenum. Endoscopy revealed a submucosal tumor in the same region, and ultrasonic endoscopy showed a low echoic mass with a clear boundary derived from the muscle layer. The duodenum was partially resected based on a diagnosis of suspected gastrointestinal stromal tumors (GIST), and the skin tumor was simultaneously resected...
2018: Nihon Shokakibyo Gakkai Zasshi, the Japanese Journal of Gastro-enterology
Roberto Gabrielli, Franco Ciocca, Angelica Dante, Aldo Musilli, Maurizio Maiorano, Marco Ventura
BACKGROUND: Redo area region operation is associated with a significant morbidity such as neurovascular injury, infection and lymphorrhea. The traditional management of occluded femoro-popliteal grafts often includes redissection of a scarred groin to obtain adequate inflow via the common femoral artery. These procedures are more technically demanding and require more expertise and judgment than the primary operation. We describe a case of using the ipsilateral iliac branch prosthesis of aorto-bifemoral as inflow for iliac-peroneal bypass, avoiding the previous groin incisions, to minimize the local complications related to a redo groin dissection and to decrease the operative time required to obtain an adequate inflow source...
June 7, 2018: Annals of Vascular Surgery
Dongheon Lee, Byeoung-Hoon Chung, Seon-Hee Heo, Yang-Jin Park, Dong-Ik Kim
Heparic artery aneurysm is rare, but appropriate treatment is mandatory. We report a 50-year-old woman with an asymptomatic large hepatic artery aneurysm. The aneurysm was found as a result of abdominal computed tomography (CT) performed as a part of the screening. An open surgery was performed due to the size of an aneurysm. Aneurysmectomy was achieved and the proper hepatic artery was anastomosed with GDA for adequate blood flow to the liver. Adequate hepatic circulation was confirmed postoperatively by duplex ultrasonography and CT...
June 7, 2018: Annals of Vascular Surgery
M Djokic, B Plesnik, M Petric, B Trotovsek
INTRODUCTION: Massive splenomegaly is indicated by spleen weight exceeding 1000 g and largest spleen dimension greater than 20 cm Poulin et al. (1998). In many cases, splenectomy is the treatment of choice for massive splenomegaly because it releases the pressure on adjacent organs and also provides a definitive histopathological diagnosis of the underlying cause Iriyama et al. (2010), Radhakrishnan (2018). PRESENTATION OF CASE: Herein we present a clinical case of disseminated diffuse large B - cell lymphoma, clinical stage IV, with massive splenomegaly...
May 29, 2018: International Journal of Surgery Case Reports
Jian Dong, Jianfeng Xin, Wenbin Shen, Tingguo Wen, Xiaobai Chen, Yuguang Sun, Rengui Wang
RATIONALE AND OBJECTIVES: To investigate the clinical feasibility of CT lymphangiography (CTL) in primary intestinal lymphangiectasia (PIL) by comparison with intraoperative enteroscopy (IOE) during exploratory laparotomy. MATERIALS AND METHODS: Eleven PIL patients (F/M, two/nine, age range 10-37 years) were recruited in this study, and they were performed IOE during exploratory laparotomy for suspected serious lymphatic-intestinal leakages. All the patients were performed CTL before surgery, and the imaging data were reviewed by two radiologists separately...
June 6, 2018: Academic Radiology
Alexandra Platon, Bruno Herrera, Minerva Becker, Thomas Perneger, Laurent Getaz, Hans Wolff, Eric Lock, Olivier Rutschmann, Pierre-Alexandre Poletti
PURPOSE: To determine parameters related to hyperdensity (>40 HU) of intra-corporeal cocaine packets on low-dose CT (LDCT); hyperdensity increases detectability on abdominal radiographs. METHODS: LDCT showing drug packets (n = 46) were analyzed for mean radiological density and packets volume. Following expulsion, packets weight and cocaine concentration were measured. Hypercompaction was defined as >0.9 g/cm3 . RESULTS: Packets were hyperdense in 33 cases (72%)...
May 30, 2018: Clinical Imaging
L Lenga, R Czwikla, J L Wichmann, D Leithner, M H Albrecht, T D'Angelo, C T Arendt, C Booz, R Hammerstingl, T J Vogl, S S Martin
AIM: To investigate the impact of noise-optimised virtual monoenergetic imaging (VMI+) reconstructions on quantitative and qualitative image parameters in patients with malignant lymphoma at dual-energy computed tomography (DECT) examinations of the abdomen. MATERIALS AND METHODS: Thirty-five consecutive patients (mean age, 53.8±18.6 years; range, 21-82 years) with histologically proven malignant lymphoma of the abdomen were included retrospectively. Images were post-processed with standard linear blending (M_0...
June 5, 2018: Clinical Radiology
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