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Soft tissue calcification

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https://www.readbyqxmd.com/read/28937280/lingual-tonsillolith-prevalence-and-imaging-characteristics-evaluated-on-2244-pairs-of-panoramic-radiographs-and-ct-images
#1
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 computed tomography (CT) images. SUBJECTS AND METHODS: This study included 2244 patients without pathology at the base of tongue who underwent panoramic radiography and CT of the maxillofacial region...
September 20, 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
#2
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
#3
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
#4
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
#5
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
#6
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
#7
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
#8
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) appear 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
#9
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-and-reverses-vascular-and-soft-tissue-calcifications-in-uremic-rats
#10
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...
July 28, 2017: Kidney International
https://www.readbyqxmd.com/read/28751434/atypical-presentation-and-management-of-fibrodysplasia-ossificans-progressiva
#11
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
#12
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
https://www.readbyqxmd.com/read/28702187/procedure-applications-and-outcomes-of-autologous-fat-grafting
#13
REVIEW
Francesco Simonacci, Nicolò Bertozzi, Michele Pio Grieco, Eugenio Grignaffini, Edoardo Raposio
OBJECTIVE: To systematically review the procedure, applications, and outcomes of autologous fat grafting, a promising technique with various clinical applications. PATIENTS AND METHODS: Literature review of publications concerning autologous fat grafting. RESULTS: Since its introduction, lipofilling has become increasingly popular; however, its results are variable and unpredictable. Several modifications have been made to the procedures of fat harvesting, processing, and injecting...
August 2017: Annals of Medicine and Surgery
https://www.readbyqxmd.com/read/28695356/what-are-the-differentiating-clinical-and-mri-features-of-enchondromas-from-low-grade-chondrosarcomas
#14
Hassan Douis, M Parry, S Vaiyapuri, A M Davies
OBJECTIVES: To evaluate the role of clinical assessment, conventional and dynamic contrast-enhanced MRI in differentiating enchondromas from chondrosarcomas of long bone. METHODS: The following clinical and MRI findings were assessed: age, gender, pain, pain attributable to lesion, tumour location, tumour length, presence, depth of endosteal scalloping, bone marrow oedema, soft tissue oedema, cortical destruction, periosteal reaction, bone expansion, macroscopic fat, calcification, soft tissue mass, haemorrhage, dynamic contrast-enhanced MRI...
July 10, 2017: European Radiology
https://www.readbyqxmd.com/read/28679511/traumatic-myositis-ossificans-circumscripta-moc
#15
Manel Landolsi, Tej Mrad
We report a case of a 29-year-old man who had been a victim of a public road accident. Four weeks later, the patient developed an isolated right thigh mass located ventrally in the distal one-third of the thigh. The mass was painful and associated with fever and inflammatory syndrome. Plain radiographs showed a bilateral calcified thickening of soft tissues with well-defined bony margins. Ultrasound objectified diffuse calcifications of soft tissues.CT scan-confirmed the diagnosis of myositis ossificans circumscripta, showing a bilateral thickening of the vastus intermedius chief of the quadriceps dotted with calcifications, extending along the femur axis...
July 5, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28677820/calcifying-epithelioma-of-malherbe-pilomatrixoma-clinical-and-sonographic-features
#16
Sai-Feng Lin, Shi-Hao Xu, Zuo-Liu Xie
PURPOSE: The purpose of this study was to describe the clinical and sonographic features of calcifying epitheliomas (pilomatrixomas). METHODS: We retrospectively reviewed the clinical data and sonographic appearances of 59 cases of calcifying epitheliomas in 58 patients that were confirmed pathologically. RESULTS: The mean age of the patients was 26 years (range, 5-69 years) and the female-to-male ratio was 1.2. All masses were located in subcutaneous soft tissues...
July 5, 2017: Journal of Clinical Ultrasound: JCU
https://www.readbyqxmd.com/read/28670091/metastatic-calcinosis-cutis-in-end-stage-renal-disease
#17
Victoria A Jaeger, Megan G Newman, Curtis R Mirkes
Alterations in calcium and phosphorus levels and joint pain are a common occurrence in end-stage renal disease patients. However, metastatic calcinosis cutis is a rare diagnosis that often combines these two findings, with extensive soft tissue calcification surrounding a large joint being the hallmark of this disease. The exact mechanism behind this clinical entity is unknown. The treatment and complications can be severe and disabling. Here, we discuss the case of a 26-year-old man presenting with unusually advanced skin and joint calcification of the shoulders, neck, hand, and penis...
July 2017: Proceedings of the Baylor University Medical Center
https://www.readbyqxmd.com/read/28665047/external-tooth-resorption-associated-with-a-peripheral-odontogenic-fibroma-review-and-case-report
#18
Geoffrey Sinclair Heithersay, Davide Musu, Elisabetta Cotti
The purpose of the study is to document a rare case of a peripheral odontogenic fibroma with associated cervical and coronal tooth resorption in a 38-year-old female. Histopathologic features are described, the clinical management outlined and follow-up observations over 27 years detailed. The exophytic firm lesion,coral pink in appearance, located on the labial aspect of a maxillary left lateral incisor was excised, fixed in formalin and prepared for histolologic evaluation. The resorption cavity and adjacent soft tissue were treated by the topical application of trichloracetic acid prior to restoration with a glass ionomer cement and subsequent root canal treatment...
June 30, 2017: Australian Dental Journal
https://www.readbyqxmd.com/read/28661982/extra-articular-soft-tissue-calcification-after-burn-injury-a-case-study
#19
Young Jae Moon, Seong-Yup Jeong, Kwang-Bok Lee
Soft-tissue calcifications after burn injury commonly develop in periarticular regions, especially in the elbow joint. They can be easily recognized in patients because calcification in the joint limits range of motion and brings about tingling sensation due to compression of ulnar nerve. However, the incidence of extra-articular soft-tissue calcification after burn injury has rarely been reported. We present a patient with massive soft-tissue calcification in extra-articular burn scar with nonhealing ulcer after a long latency period of 40 years...
June 28, 2017: Journal of Burn Care & Research: Official Publication of the American Burn Association
https://www.readbyqxmd.com/read/28647521/heterotopic-ossification-of-the-peroneus-brevis-tendon-in-a-pediatric-patient
#20
Karan Dua, James M Barsi
Heterotopic ossification (HO) is abnormal formation of mature lamellar bone in soft tissues. HO is most commonly diagnosed in the setting of localized trauma, which results in improper differentiation of progenitor cells, leading to aberrant tissue formation. In the pediatric population, nongenetic causes of HO have rarely been reported, especially HO involving the tendons of the ankle. We present a case of HO of the peroneus brevis tendon without systemic disease in a pediatric patient. The patient was a 7-year-old female with a normal birth and developmental history who first presented 6 weeks after a right ankle sprain with pain localized to the lateral calcaneus...
June 21, 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
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