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Soft tissue calcification

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https://www.readbyqxmd.com/read/29138506/diagnostic-performance-of-susceptibility-weighted-magnetic-resonance-imaging-for-the-detection-of-calcifications-a-systematic-review-and-meta-analysis
#1
Lisa C Adams, Keno Bressem, Sarah Maria Böker, Yi-Na Yvonne Bender, Dominik Nörenberg, Bernd Hamm, Marcus R Makowski
Since its introduction, susceptibility-weighted-magnetic resonance imaging (SW-MRI) has shown the potential to overcome the insensitivity of MRI to calcification. Previous studies reporting the diagnostic performance of SW-MRI and magnetic resonance imaging (MRI) for the detection of calcifications are inconsistent and based on single-institution designs. To our knowledge, this is the first meta-analysis on SW-MRI, determining the potential of SW-MRI to detect calcifications. Two independent investigators searched MEDLINE, EMBASE and Web of Science for eligible diagnostic accuracy studies, which were published until March 24, 2017 and investigated the accuracy of SW-MRI to detect calcifications, using computed tomography (CT) as a reference...
November 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29113210/analysis-of-imaging-characteristics-of-primary-malignant-bone-tumors-in-children
#2
Yingwei Sun, Xueyong Liu, Shinong Pan, Chunbo Deng, Xiaohan Li, Qiyong Guo
The present study aimed to investigate the imaging characteristics of primary malignant bone tumors in children. The imaging results of 34 children with primary malignant bone tumors confirmed by histopathological diagnosis between March 2008 and January 2014 were retrospectively analyzed. In total, 25 patients had osteosarcoma, with radiography and computed tomography (CT) showing osteolytic bone destruction or/and osteoblastic bone sclerosis, an aggressive periosteal reaction, a soft-tissue mass and cancerous bone...
November 2017: Oncology Letters
https://www.readbyqxmd.com/read/29076298/a-challenging-case-of-calcific-myonecrosis-of-tibialis-anterior-and-hallucis-longus-muscles-with-a-chronic-discharging-wound
#3
Alethea My Tan, Charles Yuen Yung Loh, Metin Nizamoglu, Makarand Tare
The occurrence of calcific myonecrosis of the anterior compartment of the leg is rare. Common risk factors include a history of trauma, although little is known about the exact pathophysiology, latency period or triggering factors resulting in disease progression. Macroscopically, it begins with a single muscle being replaced by a fusiform calcified mass, which progresses peripherally. We present a rare case of a 7-year history of chronic discharging sinus overlying the site with protruding calcified muscle and discuss the senior author's wound management strategy and surgical considerations...
October 27, 2017: International Wound Journal
https://www.readbyqxmd.com/read/29075524/diagnostic-errors-in-musculoskeletal-ultrasound-imaging-and-how-to-avoid-them
#4
REVIEW
Małgorzata Serafin-Król, Artur Maliborski
The article reviews the major challenges related to the principles of the correct technique of musculoskeletal ultrasound (MSK US). All the crucial aspects of correct MSK soft tissue diagnosis have been discussed, including equipment settings, use of recent image software innovations and ultrasound standoff pads, and correct transducer positioning. The importance of the fundamental principles of MSK US, facilitating good quality image and limiting the occurrence of artifacts, has been highlighted. The most common artifacts of the musculoskeletal system have been described, including those that diagnostically helpful, such as the presence of echo enhancement deep to a fluid-filled structure, or an acoustic shadow behind a calcification...
September 2017: Journal of Ultrasonography
https://www.readbyqxmd.com/read/29075077/bone-histo-morphology-in-chronic-kidney-disease-mineral-bone-disorder
#5
Khuraijam Bembem, Tejinder Singh, Narinder Pal Singh, Alpana Saxena, Shyama Lata Jain
Chronic Kidney Disease-Mineral Bone Disorder(CKD-MBD) is a systemic disorder of the mineral and bone metabolism seen in patients with Chronic Kidney Disease(CKD). It is manifested by either one or a combination of the following: (a) Abnormalities of calcium, phosphorus, PTH, or vitamin D metabolism. (b) Abnormalities in bone turnover, mineralization, volume, linear growth, or strength. (c) Vascular or other soft- tissue calcification. Renal osteodystrophy measures the skeletal component of CKD-MBD. To study the histomorphology of bone marrow biopsy in patients with CKD-MBD and correlate the histological features of bone biopsy with the clinicobiochemical parameters...
December 2017: Indian Journal of Hematology & Blood Transfusion
https://www.readbyqxmd.com/read/29064176/calciphylaxis-after-parathyroidectomy
#6
Sathish Karmegam, Anupkumar Shetty
A 60-year-old African American man with end stage renal disease on hemodialysis (HD) for the past 2.5 years developed severe hyperparathyroidism. Other past medical history included atrial fibrillation, type II diabetes mellitus, hypertension, gout, pericardial effusion needing pericardial window, deep vein thrombosis, mitral insufficiency, and cardiomyopathy with implantable cardioversion device placement. His parathyroid hormone (PTH) level peaked at 4,191 pg/mL despite being on cinacalcet, sevelamer, and paricalcitol...
October 2017: Hemodialysis International
https://www.readbyqxmd.com/read/29030655/-tendonitis-calcarea-of-the-piriformis-muscle-in-a-young-amateur-athlete
#7
J Fürmetz, G Siebenbürger, V Herterich, W Böcker
Distinct calcific tendonitis associated with chronic pain refractory to conservative treatment can require operative treatment. Symptomatic calcific tendonitis of the piriform muscle, despite calcific tendonitis of other regions, is an extremely rare diagnosis. We report about a young athlete with persistent gluteal pain despite long-term conservative treatment. MRI scans revealed tendonitis calcarea with surrounding soft tissue inflammation. On open surgical removal of the calcification, pain symptoms were relieved and the patient was able to return to sports...
October 13, 2017: Der Orthopäde
https://www.readbyqxmd.com/read/29019904/imaging-findings-of-inflammatory-myofibroblastic-tumor-from-the-greater-omentum-one-case-report
#8
Wenjie Liang, Shengzhang Lin, Zhihua Chen
RATIONALE: Inflammatory myofibroblastic tumors (IMTs) are rare neoplastic lesions with benign tendency. Even more rare are IMTs from the greater omentum (GO-IMT). A GO-IMT is easily misdiagnosed as other malignant tumors before operation; thus, clinicians need to be familiar with its imaging findings. Here, we report the imaging findings of a GO-IMT patient presenting with a pelvic mass. PATIENT CONCERNS: Ultrasound of the IMT in the pelvic cavity showed a hypoechoic mass...
October 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28937280/lingual-tonsillolith-prevalence-and-imaging-characteristics-evaluated-on-2244-pairs-of-panoramic-radiographs-and-ct-images
#9
Akira Takahashi, Chieko Sugawara, Keiko Kudoh, Yoshiko Yamamura, Go Ohe, Tetsuya Tamatani, Youji Miyamoto
OBJECTIVES: Lingual tonsilloliths are not as well-known to radiologists than palatine tonsilloliths, although they might be common in clinical practice. The aim of this investigation was to clarify the prevalence and imaging characteristics of lingual tonsilloliths using panoramic radiographs and CT images. METHODS: This study included 2244 patients without pathology at the base of tongue who had undergone panoramic radiography and CT of the maxillofacial region...
October 27, 2017: Dento Maxillo Facial Radiology
https://www.readbyqxmd.com/read/28932548/predictors-of-conversion-to-thoracotomy-during-video-assisted-thoracoscopic-surgery-lobectomy-in-lung-cancer-additional-predictive-value-of-fdg-pet-ct-in-a-tuberculosis-endemic-region
#10
Chun Geun Lim, Kyung Min Shin, Ji Seun Lim, Jae Kwang Lim, Hye Jung Kim, Won Hwa Kim, Seung Hyun Cho, Seung Ick Cha, Eung Bae Lee, Yangki Seock, Shin Young Jeong
BACKGROUND: To evaluate the added clinical value of (18)F-fluorodeoxyglucose (FDG) positron emission tomography/computed tomography (PET/CT) scans to chest CT imaging in predicting the conversion to thoracotomy during video-assisted thoracoscopic surgery (VATS) lobectomy in patients with lung cancer. METHODS: This is a retrospective study of 235 consecutive patients who underwent planned VATS lobectomy for primary lung cancer between 2011 and 2015. CT images were interpreted in terms of the presence and the attenuation of peribronchial lymph nodes (PLN) and peribronchial cuffs of soft (PCS) tissue, pleural calcification, and parenchymal calcified nodule...
August 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28901023/mosasaurs-and-snakes-have-a-periodontal-ligament-timing-and-extent-of-calcification-not-tissue-complexity-determines-tooth-attachment-mode-in%C3%A2-reptiles
#11
Aaron R H LeBlanc, Denis O Lamoureux, Michael W Caldwell
Squamates present a unique challenge to our understanding of dental evolution in amniotes because they are the only extant tooth-bearing group for which a ligamentous tooth attachment is considered to be absent. This has led to the assumption that mammals and crocodilians have convergently evolved a ligamentous tooth attachment, composed of root cementum, periodontal ligament, and alveolar bone, whereas squamates are thought to possess a single bone of attachment tissue that fuses teeth to the jaws. The identity and homology of tooth attachment tissues between squamates, crocodilians, and mammals have thus been a focal point of debate for decades...
September 12, 2017: Journal of Anatomy
https://www.readbyqxmd.com/read/28880385/echocardiographic-features-of-right-ventricular-diverticulum-a-case-report
#12
Lihong Wang, Xiaoli Cao, Jie Xue, Hongyan Li, Lei Shi, Yanming Men
Right ventricular diverticulum is a rare form of cardiac deformity, with a very few cases caused by pericarditis. A 60-year-old man sought medication because of chest congestion and shortness of breath. CT showed a soft tissue mass at the heart apex and pericardial calcification. Doppler echocardiography demonstrated a mixed cystic solid mass at the right ventricular apex. Surgical cure confirmed the diagnosis of right ventricular apex diverticulum with pericarditis. Echocardiography is contributive to the diagnosis of ventricular diverticula in measuring their size and showing the local thinning of the ventricular wall with localized bulging and abnormal motion...
October 2017: Journal of Clinical Ultrasound: JCU
https://www.readbyqxmd.com/read/28869940/severe-secondary-hyperparathyroidism-in-a-hemodialysis-patient-a-case-report-from-mongolia
#13
Saruultuvshin Adiya, Khurtsbayar Damdinsuren, Chuluuntsetseg Dorj
Secondary hyperparathyroidism (SHPT) occurs in patients with chronic renal failure complicated with renal bone disease and soft tissue/vascular calcification. In dialysis patients with severe SHPT, medical treatment may fail and parathyroidectomy (PTX) is indicated for definitive treatment. Severe hypocalcemia from hungry bone disease or postoperative hypoparathyroidism may occur during the postoperative period. We report here a case of severe SHPT in a hemodialysis patient treated with phosphate binders, calcitriol, and calcimimetics but who still required PTX...
2017: Blood Purification
https://www.readbyqxmd.com/read/28858396/histopathological-and-genetic-review-of-phosphaturic-mesenchymal-tumours-mixed-connective-tissue-variant
#14
Yuichi Yamada, Izumi Kinoshita, Kenichi Kohashi, Hidetaka Yamamoto, Takeshi Iwasaki, Hiroshi Otsuka, Masato Yoshimoto, Shin Ishihara, Yu Toda, Yuki Kuma, Nokitaka Setsu, Yuki Koga, Yumi Honda, Takeshi Inoue, Hiroyuki Yanai, Kyoko Yamashita, Ichiro Ito, Mitsuru Takahashi, Shouichi Ohga, Masutaka Furue, Yasuharu Nakashima, Yoshinao Oda
AIMS: Phosphaturic mesenchymal tumour, mixed connective tissue variant (PMT-MCT), is a tumour of uncertain differentiation, characterised by 'smudgy/grungy' calcification and vitamin D-resistant phosphaturic osteomalacia. FGF23 is recognised as a reliable marker of PMT-MCT, but quantitative evaluation of it has never been performed. We reviewed cases of tumour-associated osteomalacia or histologically definitive PMT-MCT without osteomalacia using histological, immunohistochemical and genetic methods and evaluated the diagnostic significance of these findings...
August 31, 2017: Histopathology
https://www.readbyqxmd.com/read/28853105/different-approaches-to-detect-nanobacteria-in-patients-with-kidney-stones-an-infectious-cause-or-a-subset-of-life
#15
Hani Ansari, Abbas Akhavan Sepahi, Mohsen Akhavan Sepahi
PURPOSE: This research focused on the detection of nanobacteria in kidney stones of 30 Iranian patients without adding fetal bovine serum (FBS) to the culture media. MATERIALS AND METHODS: Nanobacteria were isolated from a nephro-ureterolithiasis extract of the urinary tract and kidney of patients and were cultured in the laboratory. The growth of nanobacteria was monitored using a spectrophotometer, and with inverted microscopy technique, their crystallization was analyzed after two days...
August 29, 2017: Urology Journal
https://www.readbyqxmd.com/read/28803447/registration-free-automatic-identification-of-gold-fiducial-markers-in-mri-target-delineation-images-for-prostate-radiotherapy
#16
Christian Gustafsson, Juha Korhonen, Emilia Persson, Adalsteinn Gunnlaugsson, Tufve Nyholm, Lars E Olsson
PURPOSE: The superior soft tissue contrast of magnetic resonance imaging (MRI) compared to computed tomography (CT) has urged the integration of MRI and elimination of CT in radiotherapy treatment (RT) for prostate. An intraprostatic gold fiducial marker (GFM) appears hyperintense on CT. On T2-weighted (T2w) MRI target delineation images, the GFM appear as a small signal void similar to calcifications and post biopsy fibrosis. It can therefore be difficult to identify the markers without CT...
August 13, 2017: Medical Physics
https://www.readbyqxmd.com/read/28781916/nursing-review-section-of-surgical-neurology-international-part-2-lumbar-spinal-stenosis
#17
REVIEW
Nancy E Epstein, Renee D Hollingsworth
BACKGROUND: The lumbar spine includes 5 lumbar vertebral bodies, L1, L2, L3, L4, and L5. At each level, there is a disc space defined by the two bones (vertebral bodies) in the back; for example, there is a disc space at the L5-S1 level etc. The normal front to back (anterior to posterior or AP diameter) measurement of the spinal canal is typically 18-20 mm, but some patients have narrowing called spinal stenosis. METHODS: Lumbar stenosis is defined by two major types...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/28760336/dietary-magnesium-supplementation-prevents%C3%A2-and%C3%A2-reverses-vascular-and-soft-tissue%C3%A2-calcifications-in-uremic-rats
#18
Juan M Diaz-Tocados, Alan Peralta-Ramirez, María E Rodríguez-Ortiz, Ana I Raya, Ignacio Lopez, Carmen Pineda, Carmen Herencia, Addy Montes de Oca, Noemi Vergara, Sonja Steppan, M Victoria Pendon-Ruiz de Mier, Paula Buendía, Andrés Carmona, Julia Carracedo, Juan F Alcalá-Díaz, Joao Frazao, Julio M Martínez-Moreno, Antonio Canalejo, Arnold Felsenfeld, Mariano Rodriguez, Escolástico Aguilera-Tejero, Yolanda Almadén, Juan R Muñoz-Castañeda
Although magnesium has been shown to prevent vascular calcification in vitro, controlled in vivo studies in uremic animal models are limited. To determine whether dietary magnesium supplementation protects against the development of vascular calcification, 5/6 nephrectomized Wistar rats were fed diets with different magnesium content increasing from 0.1 to 1.1%. In one study we analyzed bone specimens from rats fed 0.1%, 0.3%, and 0.6% magnesium diets, and in another study we evaluated the effect of intraperitoneal magnesium on vascular calcification in 5/6 nephrectomized rats...
November 2017: Kidney International
https://www.readbyqxmd.com/read/28751434/atypical-presentation-and-management-of-fibrodysplasia-ossificans-progressiva
#19
André Grenho, Joana Arcângelo, Augusto Martins
We report a case of an 18-year-old woman, with bilateral acute inflammatory pain on the hip area, during the premenstrual period, and progressive increase in volume and rigidity of both hips. Bilateral exuberant soft tissue calcifications were present on the radiographic exams, and the patient also presented with bilateral short-length hallux valgus. A heterozygous mutation in the protein kinase domain of ACVR1 gene was found, allowing the diagnosis of fibrodysplasia ossificans progressive. Due to the relation between the disease flares and the premenstrual period, the patient was put into a chemically induced amenorrhea, with no new inflammatory crises since...
July 27, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28740329/940-nm-diode-laser-assisted-excision-of-peripheral-ossifying-fibroma-in-a-neonate
#20
Nitesh Tewari, Vijay Prakash Mathur, Asit Mridha, Kalpana Bansal, Divesh Sardana
BACKGROUND: Peripheral ossifying fibroma associated with neonatal tooth extraction is a rare, benign reactive lesion, but its nature and location often scares the patient & parents for possibility of neoplasm. A high recurrence rate makes its histopathological examination and long term follow up important. CASE REPORT: A 2 months old boy presented with enlarging soft tissue growth on the anterior mandibular ridge. The history revealed extraction of two neonatal teeth at 2 weeks of age...
March 31, 2017: Laser Therapy
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