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Percutaneous biopsy

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https://www.readbyqxmd.com/read/27933376/percutaneous-biopsy-of-retrobulbar-masses-anatomical-considerations-and-mri-guidance
#1
Faramarz Edalat, Roberto Luigi Cazzato, Julien Garnon, Georgia Tsoumakidou, Gerlinde Avérous, Jean Caudrelier, Guillaume Koch, Afshin Gangi
PURPOSE: Obtaining adequate tissue from retrobulbar masses remains a challenge. To this end, a new method of retrobulbar mass biopsy using MRI guidance is presented. MATERIALS AND METHODS: Two patients (7- and 71-year-old male) with indeterminate retrobulbar masses underwent bioptic and cytological samplings using MR-compatible 18G and 20-22G needles, and multi-planar MR fluoroscopy. An inferior approach was taken to avoid injury to the optic nerve and ophthalmic arteries...
December 8, 2016: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/27931106/gastric-schwannoma-presenting-as-a-casual-ultrasonographic-findings
#2
Francisco Javier Álvarez Higueras, Ana Pereñíguez López, Esther Estrella Díez, María Muñoz Tornero, Juan Egea Valenzuela, Águeda Bas Bernal, Carmen Garre Sánchez, Ángel Vargas Acosta, Eduardo Sánchez Velasco, Luis Fernando Carballo Álvarez
We present the case of a patient under study due to ascites in which a mass located on the gastric wall was observed during ultrasonography. Further studies (upper endoscopy and computed tomography) confirmed this finding. After an ultrasound-guided percutaneous biopsy, diagnosis of gastric schwannoma was made as intense S-100 expression was found. Surgery was rejected due to the bad clinical situation of the patient and because the mass was an asymptomatic benign tumor.
December 2016: Revista Española de Enfermedades Digestivas
https://www.readbyqxmd.com/read/27920858/beware-of-positive-pressure-coronary-artery-air-embolism-following-percutaneous-lung-biopsy
#3
Dmitriy N Kazimirko, William B Beam, Khalid Saleh, Akash M Patel
Patients undergoing percutaneous lung biopsy are at risk of developing a systemic air embolism. Air embolism may manifest as a catastrophic iatrogenic event with ischemic insult to the end organs, with sites of least resistance such as coronary and cerebral circulation the most susceptible. We review the available literature and present a case of iatrogenic air embolism during computed tomography guided percutaenous lung biopsy under general anesthesia. Management, outcome, and periprocedural factors that may have contributed to the complication are discussed...
December 2016: Radiology case reports
https://www.readbyqxmd.com/read/27919129/-a-case-of-recurrent-renal-cancer-in-the-autografted-kidney-treated-with-percutaneous-cryoablation
#4
Eisuke Tomiyama, Shinichiro Fukuhara, Takeshi Ujike, Akira Nagahara, Motohide Uemura, Hiroshi Kiuchi, Ryoichi Imamura, Yasushi Miyagawa, Mikio Nin, Norio Nonomura
We report a case of recurrent renal cancer in the autografted kidney, treated with percutaneous cryoablation. A 59-year-old man who had bilateral renal tumors underwent radical left nephrectomy, ex vivo right partial nephrectomy and auto-transplantation at the right ileal fossa in our hospital 11 years ago. Histopathological examination showed clear cell renal cell carcinoma in bilateral kidneys (pT1bN0M0). He had been followed at another hospital without tumor recurrence for 11 years. In 2014, an enhanced CT scan revealed a renal tumor with a diameter of two centimeters in the autografted kidney, which was thought to be a recurrence of the initial renal cancer...
October 2016: Hinyokika Kiyo. Acta Urologica Japonica
https://www.readbyqxmd.com/read/27919128/-ipsilateral-occurrence-of-renal-pelvic-carcinoma-after-partial-nephrectomy-for-renal-cell-carcinoma
#5
Tomoyuki Tatenuma, Nobuhiko Mizuno, Ryosuke Jikuya, Masaki Kawai, Takeshi Kishida
A 70-year-old man underwent left partial nephrectomy for renal cell carcinoma (pT1aN0M0). One year after the surgery, he presented with hematuria and fatigue. Computed tomography showed a left 8 cm renal tumor and multiple liver and lung metastases. We performed percutaneous renal and liver biopsy with echo guidance. The diagnosis of both kidney and liver was urothelial carcinoma. He died 3 weeks after the diagnosis. Ipsilateral occurrence of the pelvic renal carcinoma after partial nephrectomy for renal cell carcinoma is extremely rare...
October 2016: Hinyokika Kiyo. Acta Urologica Japonica
https://www.readbyqxmd.com/read/27914885/blind-percutaneous-liver-biopsy-in-infants-and-children-comparison-of-safety-and-efficacy-of-percussion-technique-and-ultrasound-assisted-technique
#6
Engy A Mogahed, Yasmeen A Mansy, Yasmeen Al Hawi, Rokaya El-Sayed, Mona El-Raziky, Hanaa El-Karaksy
BACKGROUND AND STUDY AIMS: Liver biopsy remains the most reliable method to diagnose various hepatic disorders in children. We aimed to assess the technical success and complication rate of ultrasound (US) assisted percutaneous liver biopsy versus transthoracic percussion guided technique in paediatrics. PATIENTS AND METHODS: This randomized controlled study included all cases performing liver biopsy at Paediatric Hepatology Unit, Cairo University Paediatric Hospital over 12months...
November 30, 2016: Arab Journal of Gastroenterology: the Official Publication of the Pan-Arab Association of Gastroenterology
https://www.readbyqxmd.com/read/27911922/nucleic-acid-amplification-testing-and-sequencing-combined-with-acid-fast-staining-in-needle-biopsy-lung-tissues-for-the-diagnosis-of-smear-negative-pulmonary-tuberculosis
#7
Faming Jiang, Weiwei Huang, Ye Wang, Panwen Tian, Xuerong Chen, Zongan Liang
BACKGROUND: Smear-negative pulmonary tuberculosis (PTB) is common and difficult to diagnose. In this study, we investigated the diagnostic value of nucleic acid amplification testing and sequencing combined with acid-fast bacteria (AFB) staining of needle biopsy lung tissues for patients with suspected smear-negative PTB. METHODS: Patients with suspected smear-negative PTB who underwent percutaneous transthoracic needle biopsy between May 1, 2012, and June 30, 2015, were enrolled in this retrospective study...
2016: PloS One
https://www.readbyqxmd.com/read/27911263/contrast-enhanced-us-guided-percutaneous-biopsy-of-anterior-mediastinal-lesions
#8
Dong Yi, Mao Feng, Wang Wen Ping, Ji Zheng Biao, Pei Li Fan
PURPOSE: We aimed to explore the value of contrast-enhanced ultrasonography (CEUS) in guidance of percutaneous biopsy of anterior mediastinal lesions. METHODS: Ninety patients with solitary anterior mediastinal lesions (55 males, 35 females; mean age, 46±4 years) were included. Patients were randomly divided into CEUS group (n=45) and conventional ultrasonography (US) group (n=45). Real-time US-guided core needle (16 G) percutaneous biopsies were performed in all lesions...
December 2, 2016: Diagnostic and Interventional Radiology: Official Journal of the Turkish Society of Radiology
https://www.readbyqxmd.com/read/27907940/ct-guided-percutaneous-spine-biopsy-in-suspected-infection-or-malignancy-a-study-of-214-patients
#9
J Rehm, S Veith, M Akbar, H U Kauczor, M A Weber
Purpose: To retrospectively determine the effectiveness and accuracy of CT-guided percutaneous biopsy of malignant and inflammatory bone lesions of the spine and to assess the reliability of pre-biopsy CT and MRI. Materials and Methods: 214 patients with lesions of the spine, which were suspicious either for being malignant or inflammatory, underwent CT-guided biopsy for pathological and/or microbiological detection. Biopsy samples were sent for histological examination in 128/214 patients, for microbiological analysis in 17/214 patients and for both analyses in 69/214 patients...
December 2016: RöFo: Fortschritte Auf Dem Gebiete der Röntgenstrahlen und der Nuklearmedizin
https://www.readbyqxmd.com/read/27904816/an-unusual-presentation-of-nocardiosis-in-an-allogeneic-transplant-recipient
#10
Uroosa Ibrahim, Amina Saqib, Farhan Mohammad, Terenig Terjanian
Nocardiosis is a rare cause of opportunistic infection post hematopoietic stem cell transplant (HSCT) occurring in about 0.3% of patients. The risk factors include delayed immune reconstitution, prolonged neutropenia, and graft-versus-host disease. The most common site of infection is the lung, followed by the brain and the skin. Concomitant pulmonary and central nervous system (CNS) nocardiosis is an extremely rare entity as presented in our case. We present the case of a 72-year-old male at 137 days post transplant presenting with complaints of headache and slurred speech...
October 17, 2016: Curēus
https://www.readbyqxmd.com/read/27904247/biliary-interventions-tools-and-techniques-of-the-trade-access-cholangiography-biopsy-cholangioscopy-cholangioplasty-stenting-stone-extraction-and-brachytherapy
#11
REVIEW
Osman Ahmed, Sipan Mathevosian, Bulent Arslan
Therapeutic access to the biliary system is generally limited to endoscopic or percutaneous approaches. A variety of percutaneous transhepatic biliary interventions are applicable for the diagnosis and treatment of biliary system pathologies, the majority of which may be performed in conjunction with one another. The backbone of nearly all of these interventions is percutaneous transhepatic cholangiography for opacification of the biliary tree, after which any number of therapeutic or diagnostic modalities may be pursued...
December 2016: Seminars in Interventional Radiology
https://www.readbyqxmd.com/read/27897408/muscle-fibre-capillarization-is-a-critical-factor-in-muscle-fibre-hypertrophy-during-resistance-exercise-training-in-older-men
#12
Tim Snijders, Joshua P Nederveen, Sophie Joanisse, Marika Leenders, Lex B Verdijk, Luc J C van Loon, Gianni Parise
BACKGROUND: Adequate muscle fibre perfusion is critical for the maintenance of muscle mass; it is essential in the rapid delivery of oxygen, nutrients and growth factors to the muscle, stimulating muscle fibre growth. Muscle fibre capillarization is known to decrease substantially with advancing age. However, whether (relative) low muscle fibre capillarization negatively impacts the muscle hypertrophic response following resistance exercise training in older adults is unknown. METHODS: Twenty-two healthy older men (71 ± 1 years) performed 24 weeks of progressive resistance type exercise training...
August 4, 2016: Journal of Cachexia, Sarcopenia and Muscle
https://www.readbyqxmd.com/read/27896404/en-bloc-resection-with-major-blood-vessel-reconstruction-for-locally-invasive-retroperitoneal-paragangliomas-a-15-year-experience-with-literature-review
#13
Hankui Hu, Bin Huang, Jichun Zhao, Ding Yuan, Yi Yang, Fei Xiong
BACKGROUND: Retroperitoneal paragangliomas (PGs) are a rare subgroup of neuroendocrine tumors that are commonly located alongside the abdominal aorta. Complete tumor resection is thought to be restricted in patients with major blood vessel involvement. However, no study has specifically focused on aggressive surgical treatment in such patients. We evaluated the value of en bloc resection with major blood vessel reconstruction for locally invasive retroperitoneal PGs. METHODS: Twenty-nine patients with retroperitoneal PGs with major blood vessel involvement were included in this retrospective study...
November 28, 2016: World Journal of Surgery
https://www.readbyqxmd.com/read/27895865/assessment-of-independent-risk-factors-of-developing-pneumothorax-during-percutaneous-core-needle-lung-biopsy-focus-on-lesion-depth
#14
Ha-Yeon Lee, In Jae Lee
BACKGROUND: Previous studies identifying risk factors for pneumothorax in percutaneous core needle lung biopsies reported inconsistent and contradictory results. OBJECTIVES: We aimed to identify independent risk factors for pneumothorax associated with computed tomography (CT)-guided percutaneous core needle lung biopsy (PCNB). PATIENTS AND METHODS: We retrospectively reviewed 591 biopsy procedures for focal lung lesions. Risk factors for pneumothorax as a complication after lung biopsy were determined by univariate and multivariate analyses of variables including the patient's age, gender, lesion depth from the pleural surface, lesion size, lesion location, presence or absence of fissure crossing by the needle, emphysema in the same lobe where the biopsy was performed, and the final diagnosis of the biopsy lesion...
October 2016: Iranian Journal of Radiology: a Quarterly Journal Published By the Iranian Radiological Society
https://www.readbyqxmd.com/read/27895412/metabolic-imaging-for-guidance-of-curative-treatment-of-isolated-pelvic-implantation-metastasis-after-resection-of-spontaneously-ruptured-hepatocellular-carcinoma-a-case-report
#15
Bing Hao, Wei Guo, Na-Na Luo, Hao Fu, Hao-Jun Chen, Long Zhao, Hua Wu, Long Sun
Spontaneous rupture of hepatocellular carcinoma (HCC) is a life-threatening complication and its prognosis is significantly poor because of the high recurrence rate after initial hepatectomy. Resection of isolated extrahepatic metastasis of HCC has been advocated to obtain a possibility of long-term survival. However, it is a challenge for clinicians to detect implantation metastasis of spontaneously ruptured HCC. Accurate re-staging plays the most important role in making a decision on isolated metastasis resection...
November 7, 2016: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/27890990/percutaneous-computed-tomography-guided-aspiration-and-biopsy-of-intrathoracic-lesions-results-of-265-procedures
#16
Zafar Neyaz, Hira Lal, Anuj Thakral, Alok Nath, Ram Naval Rao, Ritu Verma
CONTEXT: Percutaneous computed tomography (CT)-guided needle aspiration and biopsy technique have developed over time as a method for obtaining tissue specimen. Although this is a minimally invasive procedure, complications do occasionally occur. AIMS: The aim of the study was to evaluate the diagnostic yield and complications of 265 percutaneous CT-guided aspiration and biopsy procedures performed on various intrathoracic lesions. SETTINGS AND DESIGN: Data of percutaneous CT-guided aspiration and biopsy procedures of intrathoracic lesions performed over a 4 year period were retrospectively analyzed...
November 2016: Lung India: Official Organ of Indian Chest Society
https://www.readbyqxmd.com/read/27889280/percutaneous-biopsy-in-large-locally-advanced-or-metastatic-renal-tumors
#17
REVIEW
Tyler A Wittmann, E Jason Abel
INTRODUCTION: The role of percutaneous biopsy to characterize large, locally advanced and metastatic primary renal tumors has not been well described. The goal of this article is to describe the potential advantages of biopsy for preoperative evaluation of patients with large renal tumors and advanced disease. METHODS: Literature was reviewed for percutaneous biopsy and for locally advanced and metastatic renal tumors. RESULTS: Multiple studies have confirmed that percutaneous biopsy is safe, and the cost is minimal relative to the cost of surgical operation...
November 23, 2016: Urologic Oncology
https://www.readbyqxmd.com/read/27884685/bleeding-complications-following-image-guided-percutaneous-biopsies-in-patients-taking-clopidogrel-a-retrospective-review
#18
Matthew Pieper, John Schmitz, Robert McBane, John Knudsen, Brendan McMenomy, Paul Wennberg, Thomas Atwell
PURPOSE: To report incidence of bleeding after image-guided percutaneous core needle biopsy performed in patients taking clopidogrel within 5 days. MATERIALS AND METHODS: This was a retrospective review of image-guided percutaneous core needle biopsies performed in patients with clopidogrel use within 5 days of the procedure between January 2002 and November 2014. Data including biopsy site, needle size, number of samples, and serum coagulation studies were collected...
November 21, 2016: Journal of Vascular and Interventional Radiology: JVIR
https://www.readbyqxmd.com/read/27871010/diagnostic-challenges-in-a-patient-with-myocardial-tuberculoma-a-case-report
#19
Olof Säll, Soon-Ok Cha, Hans Holmberg
INTRODUCTION: Tuberculosis can affect any organ of the body, including the heart. PRESENTATION OF CASE: An 18-year old woman presented with a multifocal tuberculosis infection involving abdominal lymph nodes, a sternotomy wound, an abscess of the abdominal wall and most notably a myocardial tuberculoma. Establishing the diagnosis of the myocardial tuberculoma was challenging mainly due to the location within the heart. Initially a diagnostic percutaneous femoral vascular catheter guided biopsy of the right atrial mass was performed, but later open surgery involving median sternotomy was needed...
November 5, 2016: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/27870824/efficacy-of-a-dehydrated-hydrogel-plug-to-reduce-complications-associated-with-computed-tomography-guided-percutaneous-transthoracic-needle-biopsy
#20
Rolf A Grage, Muhammad A Naveed, Shane Keogh, Dongliang Wang
PURPOSE: The aim of the study was to determine whether a hydrogel plug, when placed in the needle tract after a computed tomography-guided percutaneous transthoracic needle lung biopsy, reduces the rate of complications. MATERIALS AND METHODS: This retrospective analysis included biopsies of lung lesions from 200 consecutive patients. The first 100 consecutive biopsies made up the control group, in which no plug intervention was used. The next 100 consecutive biopsies made up the treatment group, in which a hydrogel plug was deployed through a 19-G coaxial needle system after 20-G core samples were obtained...
November 18, 2016: Journal of Thoracic Imaging
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