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invasive radiology

Jens Kurt Johansen, Martin Jordan, Manfred Thomas
BACKGROUND: The distal metatarsal metaphyseal osteotomy (DMMO) may have lower complication rates than the Weil osteotomy (WO) due to its extraarticular location and its minimal invasive nature. This study compares the clinical and radiological outcomes and complications after DMMO and WO. METHODS: We compared 30 patients with WO (Group A) to 30 patients with DMMO (Group B). Ten males and 50 females with a mean age of 57.7 were included. 45 WOs and 73 DMMOs were evaluated in 60 patients...
March 11, 2018: Foot and Ankle Surgery: Official Journal of the European Society of Foot and Ankle Surgeons
Sebastian Stange, Zsolt Sziklavari
BACKGROUND: Chylothorax is a multifactorial complication, usually caused by surgery or traumatic injury, and more rarely by malignant disease. Because of the lack of prospective, randomised trials, the evidence-based treatment rests upon personal experience, but ideally taking into account retrospective analysis. MATERIAL AND METHODS: The aim of this review is to provide a comprehensive overview of the currently available modern treatment options. Another aspect is to show their advantages and disadvantages...
October 15, 2018: Zentralblatt Für Chirurgie
Hiroaki Suzuki, Kosuke Takemura, Kazumasa Sakamoto, Madoka Kataoka, Masaya Ito, Yasukazu Nakanishi, Ken-Ichi Tobisu, Fumitaka Koga
A 78-year-old man who had a horseshoe kidney (HSK) visited us because of gross hematuria and suspicious urine cytology. CT and MRI revealed a right renal pelvic tumor of 28 mm in diameter. He underwent gasless single-port retroperitoneoscopic nephroureterectomy with division of the isthmus via the right pararectal small incision using the RoboSurgeon system. Pathological diagnosis was invasive urothelial carcinoma, grade 3, pT3, pN0, LVI0, RM0. He was discharged from hospital on the 6th postoperative day without any perioperative complication...
2018: Case Reports in Urology
Kristin E Williams, Amanda Amin, Jacqueline Hill, Carissa Walter, Marc Inciardi, Jason Gatewood, Mark Redick, Jo Wick, Suzanne Hunt, Onalisa Winblad
RATIONALE AND OBJECTIVES: To evaluate radiologic and pathologic features associated with upgrade of atypical ductal hyperplasia (ADH) to ductal carcinoma in situ or invasive breast cancer at surgical excision, in order to identify patients who may consider alternatives to excision. MATERIALS AND METHODS: This retrospective analysis examined patients who underwent surgical excision of biopsy-proven ADH at our institution. Imaging and pathology from biopsy were reviewed to determine radiologic (lesion size, radiologic abnormality, biopsy type, needle gauge, number of cores, percent of lesion removed) and pathologic features (histologic calcifications, presence of necrosis, micropapillary features, extent of ADH) associated with ADH upgrade...
October 12, 2018: Academic Radiology
Elizabeth Matos, Diogo Castelo, Paula Coelho, Pedro Portugal
To report a clinical case of mycotic thoracic aortic aneurysm. To describe and illustrate the spectrum of MDCT findings, analysing the pathophysiology, diagnostic evaluation and therapeutic management. To emphasis the early non-invasive diagnosis as a way to overall survival improvement. A mycotic aneurysm is an uncommon vascular lesion resulting from arterial wall destruction by infection, generally involving the peripheral arteries or aorta and rarely the cerebral and visceral arteries. Defined as a lobulated saccular outpouching of the wall communicating with the lumen, it is surrounded by oedema, hematoma and/or fibro-inflammatory tissue...
January 2018: Revista Portuguesa de Cirurgia Cardio-torácica e Vascular
Gianluca Trevisi, Vera Vigo, Maria Grazia Morena, Domenico Luca Grieco, Mario Rigante, Carmelo Anile, Annunziato Mangiola
BACKGROUND: The amount of parasellar extension is a known limitation for gross total resection (GTR) of pituitary adenomas. Endoscopic technique seems to improve resection of adenomas extending laterally. Knosp classification is used to evaluate the extent of parasellar invasion: at increasing Knosp grades correspond lower rate of GTR. The "4 quadrants" method could help to estimate the risk of partial resection in adenomas with parasellar extension. OBJECTIVE: To compare the rate of GTR between microsurgical and endoscopic technique in pituitary adenomas with parasellar extension...
October 9, 2018: World Neurosurgery
Natalia Gonzalez Caldito, Shiv Saidha, Elias S Sotirchos, Blake E Dewey, Norah J Cowley, Jeffrey Glaister, Kathryn C Fitzgerald, Omar Al-Louzi, James Nguyen, Alissa Rothman, Esther Ogbuokiri, Nicholas Fioravante, Sydney Feldman, Ohemaa Kwakyi, Hunter Risher, Dorlan Kimbrough, Teresa C Frohman, Elliot Frohman, Laura Balcer, Ciprian Crainiceanu, Peter C M Van Zijl, Ellen M Mowry, Daniel S Reich, Jiwon Oh, Dzung L Pham, Jerry Prince, Peter A Calabresi
On average, African Americans with multiple sclerosis demonstrate higher inflammatory disease activity, faster disability accumulation, greater visual dysfunction, more pronounced brain tissue damage and higher lesion volume loads compared to Caucasian Americans with multiple sclerosis. Neurodegeneration is an important component of multiple sclerosis, which in part accounts for the clinical heterogeneity of the disease. Brain atrophy appears to be widespread, although it is becoming increasingly recognized that regional substructure atrophy may be of greater clinical relevance...
October 11, 2018: Brain: a Journal of Neurology
Fu Ho Victor Cheung, Chi Chuen Clarence Mak, Wai Yin Chu, Ning Fan, Ka Wing Lui
Mirizzi syndrome is an uncommon complication of chronic cholelithiasis. Advancement in radiological modalities and minimally invasive surgery has led to improved pre-operative diagnoses and more laparoscopic cholecystectomies. But for unsuitable surgical candidates, endoscopy can be the definitive treatment. In this case, we present a 67-year-old man with type II Mirizzi syndrome treated by simple endoscopic means.
October 2018: Journal of Surgical Case Reports
Mitchell S Cappell, Ismail Hader, Mitual Amin
AIM: To systematically review liver disease associated with hemophagocytic lymphohistiocytosis (HLH), propose reasonable contraindications for liver transplantation for liver failure in HLH, and report an illustrative case. METHODS: Systematic review according to PRISMA guidelines of hepatic manifestations of HLH using computerized literature search via PubMed of articles published since 1980 with keywords ("hemophagocytic lymphohistiocytosis" or "HLH") AND ("liver" or "hepatic")...
September 27, 2018: World Journal of Hepatology
Prabir Hazarika, Manoj Kumar Sharma
Background: Intracholecystic papillary-tubular neoplasm (ICPN) is a relatively new entity which includes neoplastic polyps, adenomas, and papillary neoplasms that are ≥1.0 cm. This study is done to evaluate the pathological features of ICPN and to find out the factors associated with invasion. Materials and Methods: This is a 5-year retrospective study in a referral pathology center. A total of 19 cases of ICPN are found. The cases are analyzed for age and sex distribution, clinical suspicion, stages, histological architecture, differentiation, and grade of dysplasia...
October 2018: Indian Journal of Pathology & Microbiology
Yutaka Nagai, Tomoko Nakamoto, Tadaharu Nakasone, Yusuke Taira, Yoichi Aoki
•A patient with high-risk choriocarcinoma who had refractory or quiescent/minimally invasive disease.•She was treated with seven lines of chemotherapy and salvage surgeries.•The patient had persistently low hCG levels without evidence of disease for 4 years.•Then radiological evidence of pulmonary metastasis was finally achieved, and the patient was salvaged by surgery.•It is crucial to identify the site of active disease to facilitate surgical resection and cure.
November 2018: Gynecologic Oncology Reports
Reuben White, Emily Pulford, David J Elliot, Lauren A Thurgood, Sonja Klebe
Malignant pleural mesothelioma (MPM) is a devastating malignancy with a prognosis of <12 months. Even with bans on the use of asbestos in most Western countries, the incidence is still increasing due to the long latency periods between exposure and development of the disease. Diagnosis is often delayed due to invasive biopsies and lack of distinguishable markers. Patients frequently present with pleural effusions months to years before a radiologically detectable mass appears. This study aimed to investigate the proteome of pleural effusions taken from patients with MPM, adenocarcinoma and benign conditions in an attempt to identify a biomarker for early diagnosis...
October 6, 2018: Journal of Proteomics
Emine Budak, Aylin Oral, Bulent Yazici, Ezgi Guler, Ozgur Omur
Splenosis, a form of ectopic splenic tissue, is generally caused by heterotopic autotransplantation of splenic tissues after traumatic splenic rupture or splenectomy. The implants are often localized intraperitoneally, mostly in the left upper quadrant and splenic region. Hepatic foci are seen only on rare occasions. The differential diagnosis of splenosis foci from malignant masses can be challenging by conventional imaging and lead to unnecessary invasive procedures. This manuscript presents radiological and scintigraphic images of splenosis foci located in the peritoneal cavity and liver capsule of a 46-year-old man who underwent splenectomy due to traumatic splenic rupture 30 years ago...
October 8, 2018: Clinical Nuclear Medicine
John H Chi, Kurt M Eichholz, Paul A Anderson, Paul M Arnold, Andrew T Dailey, Sanjay S Dhall, James S Harrop, Daniel J Hoh, Sheeraz Qureshi, Craig H Rabb, P B Raksin, Michael G Kaiser, John E O'Toole
BACKGROUND: Treatment of thoracolumbar burst fractures has traditionally involved spinal instrumentation with fusion performed with standard open surgical techniques. Novel surgical strategies, including instrumentation without fusion and percutaneous instrumentation alone, have been considered less invasive and more efficient treatments. OBJECTIVE: To review the current literature and determine the role of fusion in instrumented fixation, as well as the role of percutaneous instrumentation, in the treatment of patients with thoracolumbar burst fractures...
October 8, 2018: Neurosurgery
Lore Vanderbeke, Isabel Spriet, Christine Breynaert, Bart J A Rijnders, Paul E Verweij, Joost Wauters
PURPOSE OF REVIEW: Bacterial superinfection of critically ill influenza patients is well-known, but in recent years, more and more reports describe invasive aspergillosis as a frequent complication as well. This review summarizes the available literature on the association of invasive pulmonary aspergillosis (IPA) with severe influenza (influenza-associated aspergillosis, IAA), including epidemiology, diagnostic approaches and treatment options. RECENT FINDINGS: Though IPA typically develops in immunodeficient patients, non-classically immunocompromised patients such as critically ill influenza patients are at high-risk for IPA as well...
October 5, 2018: Current Opinion in Infectious Diseases
Hiroshi Matsuura, Shigeki Arase, Yasuhide Hori
BACKGROUND: This study investigated the clinical outcomes of stent placement for malignant extrinsic ureteral obstruction (MUO) and predictive factors for stent failure. METHODS: We retrospectively analyzed clinical data for 91 patients with radiologically significant hydronephrosis due to MUO who underwent successful stent placement. In total, 132 ureters were stented for the decompression. Factors related to stent failure were analyzed with a Cox proportional hazards model...
October 8, 2018: International Journal of Clinical Oncology
Alessandro Cianfoni, Daniela Distefano, Emanuele Pravatà, Vittoria Espeli, Gianfranco Pesce, Pasquale Mordasini, Luigi La Barbera, Pietro Scarone, Giuseppe Bonaldi
BACKGROUND: Extensive lytic lesions of the vertebral body (VB) increase risk of fracture and instability and require stabilization of the anterior column. Vertebral augmentation is an accepted treatment option, but when osteolysis has extensively destroyed the VB cortical boundaries (a condition herein defined as 'extreme osteolysis'), the risk of cement leakage and/or insufficient filling is high. Vertebral body stents (VBSs) might allow partial restoration of VB height, cement containment, and reinforcement, but their use in extreme osteolysis has not been investigated...
October 8, 2018: Journal of Neurointerventional Surgery
Hwan Lee, Jillian W Lazor, Reza Assadsangabi, Jagruti Shah
Perineural spread refers to tumor growth along large nerves, a macroscopic analogue of microscopic perineural invasion. This phenomenon most commonly occurs in head and neck, but its incidence varies with histologic tumor subtype. Perineural spread results from a complex molecular interplay between tumor cells, nerves, and connective stroma. Perineural spread is clinically underdiagnosed despite its impact on patients' prognosis and management. The role of 18 F-fluorodeoxyglucose positron emission tomography (18 F-FDG PET) in assessment of perineural spread in head and neck cancer remains to be explored, in contrast to magnetic resonance imaging (MRI) as the established gold standard...
October 5, 2018: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
S Scattergood, M Marsden, E Kyrimi, H Ishii, S Doddi, P Sinha
INTRODUCTION: Minimally invasive parathyroidectomy has advantages over the traditional bilateral neck exploration for the surgical treatment of primary hyperparathyroidism. It requires accurate localisation of the parathyroid pathology prior to surgery. The best method of preoperative localisation in a district general hospital setting is not well understood. METHODS: All patients who underwent parathyroidectomy for primary hyperparathyroidism from 2008 to 2016 were identified from a prospectively maintained database...
October 5, 2018: Annals of the Royal College of Surgeons of England
Aritoshi Hattori, Kazuya Takamochi, Shiaki Oh, Kenji Suzuki
In the eighth edition of the TNM classification of lung cancer, the prognostic impact of tumor size is emphasized as a descriptor of all T categories. Especially in lung cancer where tumor size is 5 cm or less, the 1-cm cutoff point significantly differentiated the survival outcome. In addition, the new staging categories were assigned, namely, Tis (adenocarcinoma in situ) and T1mi (minimally invasive adenocarcinoma). Furthermore, the measurement of a radiological solid component size excluding the ground glass opacity component or pathological invasive size without a lepidic component was proposed for deciding the cT/pT categories for lung adenocarcinoma...
October 1, 2018: Japanese Journal of Clinical Oncology
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