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https://www.readbyqxmd.com/read/29322209/infiltrating-angiolipoma-of-the-foot-magnetic-resonance-imaging-features-and-review-of-the-literature
#1
Eui Dong Yeo, Bo Mi Chung, Eun Ju Kim, Wan Tae Kim
Angiolipoma is a benign soft tissue tumor with two subtypes: non-infiltrating and infiltrating. Although histologically benign, infiltrating angiolipoma can invade surrounding structures. The foot is a very rare location for angiolipoma, with only four cases reported in the English literature, including one infiltrating type. Here, we report a very rare case of infiltrating angiolipoma of the foot with magnetic resonance imaging (MRI) and ultrasonography (US) findings. A 7-year-old boy presented with a slowly growing foot mass...
January 10, 2018: Skeletal Radiology
https://www.readbyqxmd.com/read/29313104/-imaging-and-biopsy-of-soft-tissue-tumors
#2
L Fenzl, K Bubel, M Mehrmann, G Schneider
Soft tissue tumors represent a special challenge in interdisciplinary cooperation. Malignant tumors require a multimodal therapy concept so that patient treatment in a specialized tumor center is recommended. The task of the surgeon in close cooperation with the radiologist is the resection of the tumor in sano with the required safety margin. The aim of diagnostic imaging is to describe the primary expansion of the tumor size and a possible tumor infiltration of adjacent compartments. The most important diagnostic imaging for this purpose is magnetic resonance imaging (MRI), especially T1-weighted fat-suppressed gadolinium-enhanced sequences...
January 8, 2018: Der Radiologe
https://www.readbyqxmd.com/read/29301451/dopamine-self-polymerized-along-with-hydroxyapatite-onto-the-preactivated-titanium-percutaneous-implants-surface-to-promote-human-gingival-fibroblast-behavior-and-antimicrobial-activity-for-biological-sealing
#3
Minggang Yang, Peipei Jiang, Yang Ge, Fang Lan, Xuedong Zhou, Jing He, Yao Wu
The clinical success of dental implants requires not only the optimum osseointegration but also the integration of implant surface with soft tissues to form biological sealing. In this study, alkali-heat treatment was applied to modify the pure titanium surface constructing a unique micro-and nano-structure. Then, poly(dopamine), along and with the additional incorporation of hydroxyapatite and carboxymethyl chitosan have been successfully infiltrated into the preactivated Ti surface during dopamine self-polymerization proceeding...
January 1, 2018: Journal of Biomaterials Applications
https://www.readbyqxmd.com/read/29291204/embryonal-rhabdomyosarcoma-in-the-maxillary-sinus-with-orbital-involvement-in-a-pediatric-patient-case-report
#4
Ana Carolina Rodrigues de Melo, Tácio Candeia Lyra, Isabella Lima Arrais Ribeiro, Alexandre Rolim da Paz, Paulo Rogério Ferreti Bonan, Ricardo Dias de Castro, Ana Maria Gondim Valença
This report presents a case of embryonal rhabdomyosarcoma (eRMS) located in the left maxillary sinus and invading the orbital cavity in a ten-year-old male patient who was treated at a referral hospital. The images provided from the computed tomography showed a heterogeneous mass with soft-tissue density, occupying part of the left half of the face inside the maxillary sinus, and infiltrating and destroying the bone structure of the maxillary sinus, left orbit, ethmoidal cells, nasal cavity, and sphenoid sinus...
December 16, 2017: World Journal of Clinical Cases
https://www.readbyqxmd.com/read/29289808/myd88-mediated-innate-sensing-by-oral-epithelial-cells-controls-periodontal-inflammation
#5
Andrea E Delitto, Fernanda Rocha, Ann M Decker, Byron Amador, Heather L Sorenson, Shannon M Wallet
Periodontal diseases are a class of non-resolving inflammatory diseases, initiated by a pathogenic subgingival biofilm, in a susceptible host, which if left untreated can result in soft and hard tissue destruction. Oral epithelial cells are the first line of defense against microbial infection within the oral cavity, whereby they can sense the environment through innate immune receptors including toll-like receptors (TLRs). Therefore, oral epithelial cells directly and indirectly contribute to mucosal homeostasis and inflammation, and disruption of this homeostasis or over-activation of innate immunity can result in initiation and/or exacerbation of localized inflammation as observed in periodontal diseases...
December 16, 2017: Archives of Oral Biology
https://www.readbyqxmd.com/read/29279170/upper-tract-urothelial-cancer
#6
REVIEW
Adam Froemming, Theodora Potretzke, Naoki Takahashi, Bohyun Kim
While urothelial carcinoma is a very common tumor, involvement of the upper tract is relatively uncommon. Consequently, there are no consensus imaging recommendations for upper tract disease. CT urography is the dominant imaging modality for the upper tract, but despite its excellent performance characteristics and being widely accepted as standard of care there is great variability in how CTU exams are performed across practices. MR urography has limited current application, but has the potential to become more mainstream in the future with continued technical advances...
January 2018: European Journal of Radiology
https://www.readbyqxmd.com/read/29275616/-clinical-research-of-features-of-magnetic-resonance-imaging-of-high-voltage-electrical-burns-in-limbs-at-early-stage
#7
S J Li, Z L Wang, W P Zhu, Y Xiang, J Lin, Y J Yu, P Li
Objective: To analyze the features of magnetic resonance imaging (MRI) of patients with high-voltage electrical burns in limbs at early stage. Methods: Thirty-eight patients with high-voltage electrical burns, conforming to the study criteria, were hospitalized in our unit from March 2013 to August 2016. T(1) weighted imaging (T(1)WI), T(2)WI, fat-suppression T(2)WI plain scan, and fat-suppression T(1)WI enhanced scan of MRI were performed in 78 limbs, including 56 upper limbs and 22 lower limbs at post injury hour 72...
December 20, 2017: Zhonghua Shao Shang za Zhi, Zhonghua Shaoshang Zazhi, Chinese Journal of Burns
https://www.readbyqxmd.com/read/29240199/late-dental-implant-failures-associated-with-retained-root-fragments-case-reports-with-histologic-and-sem-analysis
#8
Marc L Nevins, Laureen Langer, Peter Schupbach
Interest has recently developed in the purposeful retention of root fragments with their periodontal apparatus to support bone and soft tissue at immediate implant sites in the esthetic zone. This methodology is designed to avoid bone grafting, connective tissue grafts, and the use of membranes and may have short-term benefits in terms of tissue preservation. However, it is not completely without long-term risks. At times, implants may be unintentionally placed into edentulous sites where root fragments remain...
January 2018: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/29234752/morphological-and-immunophenotypical-differences-between-chronic-periodontitis-and-peri-implantitis-a-cross-sectional-study
#9
Pablo Galindo-Moreno, Jesús López-Martínez, Mercedes Caba-Molina, Rosa Ríos-Pelegrina, Laura Torrecillas-Martínez, Alberto Monje, Francisco Mesa, Natalia Chueca, Federico García-García, Francisco O'Valle
PURPOSE: To examine differences in morphology and in immunophenotype subsets between chronic periodontitis (CP) and peri-implantitis (P-I) lesions and to test the diagnostic agreement (CP vs P-I) among three independent observers, based on histopathological features. MATERIALS AND METHODS: This observational cross-sectional study included 15 gingival biopsies of CP lesions and 15 biopsies of P-I lesions for double-blinded examination by three independent pathologists...
2017: European Journal of Oral Implantology
https://www.readbyqxmd.com/read/29225159/histopathology-of-periarticular-non-hereditary-heterotopic-ossification
#10
REVIEW
Kristin L Foley, Nader Hebela, Mary Ann Keenan, Robert J Pignolo
In the mature adult skeleton, new bone formation is normally restricted to regeneration of osseous tissue at sites of fracture. However, heterotopic ossification, or the formation of bone outside the normal skeleton, can occur within muscle, adipose, or fibrous connective tissue. Periarticular non-hereditary heterotopic ossification (NHHO) may occur after musculoskeletal trauma, following CNS injury, with certain arthropathies, or following injury or surgery that is often sustained in the context of age-related pathology...
December 7, 2017: Bone
https://www.readbyqxmd.com/read/29221795/comparison-of-local-anesthetic-efficiency-of-tramadol-hydrochloride-and-lidocaine-hydrochloride
#11
Bilal Ege, Metin Calisir, Yahya Al-Haideri, Miray Ege, Metin Gungormus
PURPOSE: This study investigated the local anesthetic efficiency of tramadol versus lidocaine hydrochloride in maxillary infiltration anesthesia. MATERIALS AND METHODS: This study was a randomized double-blinded study involving 50 healthy volunteers. In the experimental part of this study, each volunteer received 1 buccal 0.5-mL injection of tramadol hydrochloride 25 mg on one side and 1 buccal 0.5-mL injection of vasoconstrictor-free lidocaine hydrochloride 20 mg on the other side...
November 21, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29220303/locally-aggressive-connective-tissue-tumors
#12
Mrinal M Gounder, David M Thomas, William D Tap
In this review, we highlight the complexities of the natural history, biology, and clinical management of three intermediate connective tissue tumors: desmoid tumor (DT) or aggressive fibromatosis, tenosynovial giant cell tumor (TGCT) or diffuse-type pigmented villonodular synovitis (dtPVNS), and giant cell tumor of bone (GCTB). Intermediate histologies include tumors of both soft tissue and bone origin and are locally aggressive and rarely metastatic. Some common aspects to these tumors are that they can be locally infiltrative and/or impinge on critical organs, which leads to disfigurement, pain, loss of function and mobility, neurovascular compromise, and occasionally life-threatening consequences, such as mesenteric, bowel, ureteral, and/or bladder obstruction...
December 8, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/29217065/orthognathic-considerations-of-vascular-malformations
#13
REVIEW
Luis Delgado, Avanti Verma, Teresa M O, Stuart Super
Vascular malformations affect the craniofacial skeleton in many ways, depending on the type of the lesion and its location. The lesions may exert a mass effect and cause thinning or thickening of the bone or cause expansion from direct bony infiltration. Orthognathic surgery can be used to correct any malocclusion or open bite deformities after the soft tissues are addressed.
February 2018: Otolaryngologic Clinics of North America
https://www.readbyqxmd.com/read/29217062/arteriovenous-malformations-of-the-head-and-neck
#14
REVIEW
Tara L Rosenberg, James Y Suen, Gresham T Richter
Extracranial arteriovenous malformations (AVMs) are complex vascular malformations to diagnose and treat. They are comprised of congenitally derived arteriovenous shunts with chronic vascular expansion, collateralization, and infiltration of local tissue. Their cause remains unclear, but new genetic and molecular clues are emerging. They may present at any age following an early quiescent period. Diagnosis is based on vascular staining, soft tissue expansion, progressive growth, warmth, and pulsations. Focal lesions can be cured, whereas diffuse AVMs demonstrate highly recidivistic disease...
February 2018: Otolaryngologic Clinics of North America
https://www.readbyqxmd.com/read/29204759/ocular-manifestations-of-igg4-related-disease-in-children-more-common-than-anticipated-review-of-the-literature-and-case-report
#15
REVIEW
Roubini G Smerla, Dimitra Rontogianni, George E Fragoulis
IgG4-related disease (IgG4-RD) is an entity with various clinical manifestations. Histopathologically, it is characterized by lymphoplasmacytic infiltrates enriched in IgG4 (+) plasmacytes and usually fibrosis of the affected tissue. Most of the patients have also increased IgG4 serum levels and they respond to glucocorticosteroids. In children, due to its rare occurrence, IgG4-RD is ill defined. From the published studies, so far, it appears that ocular manifestations are very common in the paediatric population with IgG4-RD...
December 4, 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/29202926/impingement-syndrome-of-the-shoulder
#16
Christina Garving, Sascha Jakob, Isabel Bauer, Rudolph Nadjar, Ulrich H Brunner
BACKGROUND: Shoulder pain is the third most common musculoskeletal complaint in orthopedic practice. It is usually due to a defect of the rotator cuff and/or an impingement syndrome. METHODS: This review is based on pertinent literature retrieved by a selective search of the Medline database. RESULTS: Patients with shoulder impingement syndrome suffer from painful entrapment of soft tissue whenever they elevate the arm. The pathological mechanism is a structural narrowing in the subacromial space...
November 10, 2017: Deutsches Ärzteblatt International
https://www.readbyqxmd.com/read/29200695/metaplastic-carcinoma-of-breast-and-neurofibromatosis-1-a-rare-association
#17
Gnanapriya Vellaisamy, Suravi Mohanty, Pritilata Rout, Suraj Manjunath
Neurofibromatosis 1 (NF1) patients are generally at higher risk of developing common malignant tumors such as brain and soft tissue tumors. These patients are 5-fold increased the risk of developing breast cancer by the age of 50 years after that the risk remains the same. The most common reported cancer is infiltrating duct carcinoma. We report a case of 61-year-old female with NF1 presented with pain and breast lump for the past 2 months. On mammography, a retroareolar solid cystic lesion measuring 32 mm × 30 mm × 30 mm was noted which was definitive for malignancy...
July 2017: Indian Journal of Medical and Paediatric Oncology
https://www.readbyqxmd.com/read/29196822/osteogenic-melanoma-report-of-a-case-mimicking-osteosarcoma-and-review-of-the-literature
#18
Deepika Savant, Shachar Kenan, Samuel Kenan, Leonard Kahn
A 32-year-old male presented with a right thumb lesion of 11-month duration. A clinical diagnosis of pyogenic granuloma was entertained but the lesion failed to respond to conservative therapy and eventually necessitated amputation of his thumb. MRI of the right thumb showed an ill-defined, heterogeneously enhancing, infiltrating mass within the dorsal soft tissues abutting the distal phalanx and measuring 4.2 × 2.4 × 0.7 cm. Histologically, the tumor was composed of a high-grade osteosarcoma with a chondrosarcomatous component localized within the underlying bone and a more superficial spindle cell component in the overlying soft tissue...
December 1, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/29188051/the-science-behind-autologous-fat-grafting
#19
REVIEW
Elisa Bellini, Michele P Grieco, Edoardo Raposio
Introduction: Adipose grafting has undergone significant changes over time. Many different techniques have been followed by trying to improve the quality of the lipoaspirate and the survival of the fat graft after implantation. Material and methods: The purpose of this review is to analyse the historical evolution of the surgical harvesting and implant technique, describing the changes that have brought significant improvements, revolutionizing the aesthetic and functional results obtainable...
December 2017: Annals of Medicine and Surgery
https://www.readbyqxmd.com/read/29187125/nitro-oleic-acid-no2oa-release-enhances-regional-angiogenesis-in-a-rat-abdominal-wall-defect-model
#20
Antonio D'Amore, Marco Fazzari, Hongbin Jiang, Samuel K Luketich, Michael E Luketich, Richard F Hoff, Daniel L Jacobs, Xinzhu Gu, Stephen F Badylak, Bruce A Freeman, William R Wagner
Ventral hernia is often addressed surgically by the placement of prosthetic materials, either synthetic or from allogeneic and xenogeneic biologic sources. Despite advances in surgical approaches and device design, a number of postsurgical limitations remain, including hernia recurrence, mesh encapsulation, and reduced vascularity of the implanted volume. The in situ controlled release of angiogenic factors from a scaffold facilitating abdominal wall repair might address some of these issues associated with sub-optimal tissue reconstruction...
November 29, 2017: Tissue Engineering. Part A
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