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Head neck radiology

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https://www.readbyqxmd.com/read/29145961/vertical-femoral-neck-fractures-in-young-adults-a-closed-fixation-strategy-using-a-transverse-cancellous-lag-screw
#1
João Antonio Matheus Guimarães, Leonardo Rosa Rocha, Tito Henrique Noronha Rocha, Danielle Cabral Bonfim, Rafaela Sartore da Costa, Amanda Dos Santos Cavalcanti, Carlos Rodrigo Roesler, Jamila Alessandra Perini Machado, Diego Pinheiro Aguiar, Maria Eugenia Leite Duarte
Vertical femoral neck fractures (Pauwels type III classification) in young adults generally occur as a consequence of high-energy trauma and are frequently seen in association with multiple injuries. Considering the controversies regarding the optimal fixation for this fracture, our aim was to evaluate the clinical outcome of a closed fixation strategy for vertical femoral neck fractures in young adults using two parallel and one transverse cancellous lag screws. This was a single-surgeon, prospective study including 20 young adults with average age of 38...
October 2017: Injury
https://www.readbyqxmd.com/read/29137619/percutaneous-medial-hemi-epiphysiodesis-using-a-transphyseal-screw-for-caput-valgum-associated-with-developmental-dysplasia-of-the-hip
#2
Chang Ho Shin, Wan Kee Hong, Doo Jae Lee, Won Joon Yoo, In Ho Choi, Tae-Joon Cho
BACKGROUND: The purpose of this study was to evaluate the radiologic outcome of percutaneous medial hemi-epiphysiodesis using a transphyseal screw for the management of caput valgum associated with developmental dysplasia of the hip (DDH). METHODS: Eighteen hips (18 patients) having caput valgum treated with screw hemi-epiphysiodesis were followed for more than 2 years, and were included in this study. The mean age at the time of the index operation was 8.3 years (range, 4...
November 14, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/29136629/modified-alcohol-formalin-cell-block-technique-in-head-and-neck-pathology-diagnosis
#3
Karishma M Desai, Punnya V Angadi, Alka D Kale, Seema Hallikerimath
OBJECTIVES: Cell block preparation is a recognized technique in histopathological diagnosis. This technique aids in maintaining an intact architecture and reducing the diagnostic errors associated with fine-needle aspiration cytology. Numerous techniques have been put forth, but the need for an optimal technique for routine use in the laboratory still persists. The aim of our study was to establish a cell block technique which aids in the accurate diagnosis of head and neck pathology...
November 15, 2017: Acta Cytologica
https://www.readbyqxmd.com/read/29127998/spectral-computed-tomography-technique-and-applications-for-head-and-neck-cancer
#4
REVIEW
Almudena Pérez-Lara, Reza Forghani
Spectral computed tomography (CT) or dual-energy CT (DECT) is an advanced form of CT with increasing applications in head and neck radiology. This article provides an overview of the DECT technique and reviews current applications for the evaluation of neck pathology, focusing on oncologic applications. Included are an overview of the basic underlying principles and approaches for DECT scan acquisition and material characterization; a discussion of various DECT reconstructions and a brief overview of practical issues pertaining to DECT implementation, including those related to workflow impact of DECT; and a discussion of various applications of DECT for the evaluation of the neck, especially in oncology...
February 2018: Magnetic Resonance Imaging Clinics of North America
https://www.readbyqxmd.com/read/29105549/value-of-extranodal-extension-detected-by-computed-tomography-for-predicting-clinical-response-after-chemoradiotherapy-in-head-and-neck-squamous-cell-cancer
#5
Hyun Moon, Young Jun Choi, Yoon Se Lee, Sang Wook Lee, Sung Bae Kim, Jong-Lyel Roh, Seung-Ho Choi, Soon Yuhl Nam, Sang Yoon Kim
OBJECTIVES: Radiological extranodal extension (rENE) upon CT is obtained before concurrent chemoradiation therapy (CCRT) for head and neck squamous cell carcinoma (HNSCC). We evaluated the prognostic value of rENE, rather than pathologically proven ENE, in patients who received CCRT for HNSCC. MATERIALS AND METHODS: We reviewed 117 patients. We divided the patients into rENE(+) and rENE(-) groups and evaluated overall survival (OS) and disease-specific survival (DSS), and factors affecting these outcomes...
November 6, 2017: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/29105542/cervical-necrotizing-fasciitis-an-overlooked-diagnosis-of-a-fatal-disease
#6
Mohamed A Al-Ali, Ashraf F Hefny, Kamal M Idris, Fikri M Abu-Zidan
BACKGROUND: Necrotizing fasciitis of the neck is a rare potentially lethal condition if not early diagnosed and managed. We aimed to study the clinical presentation, radiological and microbiological diagnosis, management, and surgical outcome of patients having cervical necrotizing fasciitis (CNF). MATERIALS AND METHODS: We retrospectively studied patients having a final diagnosis of CNF who were treated at Al Ain Hospital during the period of January 2000 to December 2016...
November 6, 2017: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/29100720/prognostic-factors-for-parotid-metastasis-of-cutaneous-squamous-cell-carcinoma-of-the-head-and-neck
#7
C Bobin, P Ingrand, B Dréno, E Rio, O Malard, F Espitalier
BACKGROUND: Cutaneous squamous cell carcinoma (CSCC) develops on the head in 80% of cases. Parotid metastasis (PM) is rare, but treatment, which associates surgery and radiation therapy, is heavy and prognosis poor. MATERIAL AND METHODS: All cases of parotidectomy for PM of CSCC of the head and neck between 2005 and 2015 were studied retrospectively. Epidemiologic, oncologic and therapeutic data were analyzed. Overall and specific survival were calculated following Kaplan-Meier...
October 31, 2017: European Annals of Otorhinolaryngology, Head and Neck Diseases
https://www.readbyqxmd.com/read/29081930/mammary-analogue-secretory-carcinoma-of-salivary-glands-diagnostic-pitfall-with-distinct-immunohistochemical-profile-and-molecular-features
#8
Oliver Bissinger, Carolin Götz, Andreas Kolk, Henning A Bier, Abbas Agaimy, Henning Frenzel, Sven Perner, Julika Ribbat-Idel, Klaus Dietrich Wolff, Wilko Weichert, Caroline Mogler
Mammary analogue secretory carcinoma (MASC) is a newly defined entity among salivary gland malignancies which has just been established in the 4(th) edition of the WHO classification of head and neck tumors. MASC (synonym: secretory carcinoma) are characterized by a specific rearangement of the ETV6 gene locus. Here, we present a series of 3 MASC cases including clinical data with follow-up for up to 26 months. All tumours immunhistochemically displayed strong positivity for cytokeratin 7, and mammaglobin, focal positivity for S100, cytokeratin 5/6 and muc-4...
October 3, 2017: Rare Tumors
https://www.readbyqxmd.com/read/29033121/prognostic-significance-of-extranodal-extension-in-head-and-neck-squamous-cell-carcinoma-cn0-patients-with-occult-metastatic-neck-nodes
#9
Joan Lop, Antoni Rigó, Alberto Codina, Julia de Juan, Miquel Quer, Xavier León
INTRODUCTION AND OBJECTIVES: Extranodal extension in nodal metastases is an independent adverse prognostic factor in head and neck squamous cell carcinoma patients. However, few studies specifically address the subgroup of patients with no clinical evidence of nodal disease. MATERIAL AND METHODS: We retrospectively analysed data from 348 head and neck squamous cell carcinoma patients without any previous treatment and lacking clinical or radiological evidence of neck node metastases during the initial workup, treated with an elective neck dissection between 1992-2014...
October 12, 2017: Acta Otorrinolaringológica Española
https://www.readbyqxmd.com/read/29024572/radiological-manifestations-of-immune-related-adverse-effects-observed-in-patients-with-melanoma-undergoing-immunotherapy
#10
Parveen Sidhu, Alexander M Menzies, Georgina Long, Matteo Carlino, Shirleen Lorens, Rony Kapoor
Immunotherapy drugs work by stimulating the patient's own immune system to recognize and destroy cancer cells. This subclass of drugs is increasingly administered to patients with advanced melanoma. They are also commonly incorporated into other cancer therapies such as non-small cell lung cancer, renal cancer, head and neck cancers and Hodgkin lymphoma. The most commonly administered immunotherapeutic agents in the treatment of melanoma include programmed cell death protein 1 (PD-1) inhibitors, cytotoxic T-lymphocyte antigen 4 (CTLA-4) inhibitors and a subclass of cytokines...
October 11, 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/28993350/nodular-fasciitis-of-soft-tissue-over-the-mandible
#11
Daniel Yeomans, Ali Qureishi, Ketan Shah, Stuart Winter
Nodular fasciitis (NF) is an unusual, benign condition which can mimic more sinister, sarcomatous lesions both clinically and histologically. This case report presents a 35-year-old male, with a rapidly growing mass on the border of his left mandible, referred to a specialist head and neck unit. The initial presentation, radiology and cytology were initially inconclusive and the possibility of a malignant process was considered. Final histology was that of NF, the treatment of which is complete surgical excision...
October 9, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28975402/isolated-radial-neck-delayed-union-nonunion-after-conservative-treatment-in-adults-two-case-reports-and-a-literature-review
#12
Christa Babst, Alexander Brunner, Reto Babst
BACKGROUND: Treatment recommendations for isolated radial neck delayed union/nonunion are sparse, but include mainly conservative treatment, electro-stimulation, bone grafting, open reduction and internal fixation (ORIF) and radial head resection. The purpose of this study was to perform a literature review on isolated delayed union/nonunion of radial neck fractures and to evaluate the reported outcomes of proposed treatment strategies. Furthermore, we aimed to generate data-based recommendations for this rare pathology...
October 3, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28969257/role-of-neck-dissection-in-clinical-t3n0m0-lesion-of-oral-cavity-changing-trend
#13
Arjun Dass, Surinder K Singhal, Rps Punia, Nitin Gupta, Hitesh Verma, Shilpi Budhiraja, Minakshi Salaria
INTRODUCTION: Neck dissection is an important part in the management of head and neck malignancies especially in terms of control of nodal metastasis. The study is focused on evaluating the profile of lymph nodes in T3N0M0 lesion of different subsides of oral cavity. AIM: To evaluate the utility of neck dissection in T3N0M0 stage of carcinomas of the different region of oral cavity. MATERIALS AND METHODS: Ninety patients aged 20 to 70 years underwent treatment for carcinoma of the oral cavity at our center between 2005 and 2013...
August 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28967052/higher-uhmwpe-wear-rate-in-cementless-compared-with-cemented-cups-with-the-saturne%C3%A2-dual-mobility-acetabular-system
#14
Steffan Tabori-Jensen, Christina Frølich, Torben B Hansen, Søren Bøvling, Morten Homilius, Maiken Stilling
INTRODUCTION: Dual mobility (DM) total hip arthroplasty (THA) may reduce dislocation risk, but might increase the risk of high polyethylene (PE) wear due to double wearing surfaces. METHODS: 127 patients (97 female) with 129 hips operated with THA after displaced femoral neck fracture FNF between 2005 and 2011, were seen for a cross-sectional clinical follow-up. Acetabular components were Saturne® DM cups with 28mm chrome-cobalt heads in UHMWPE. Cementless cups (n = 73) were hydroxyapatite coated...
September 11, 2017: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/28960819/circumferential-reconstruction-of-subaxial-cervical-and-cervicothoracic-spine-by-simultaneously-combined-anterior-posterior-approaches-in-the-sitting-position
#15
Yue Han, Xin-Long Ma, Yong-Cheng Hu, Jun Miao, Ji-Dong Zhang, Jian-Qiang Bai, Qun Xia
OBJECTIVE: To introduce and analyze the feasibility of a new surgical strategy for circumferential reconstruction of subaxial cervical and cervicothoracic spine by simultaneously combined anterior-posterior approach in the sitting position. METHODS: A retrospective review was performed for seven patients who underwent the above surgical procedure between July 2011 and January 2015. Among the seven patients, there were six men and one woman, with an average age of 52 years (range, 36-79 years)...
August 2017: Orthopaedic Surgery
https://www.readbyqxmd.com/read/28960745/real-world-mri-experience-with-non-conditional-and-conditional-cardiac-rhythm-devices-after-magnasafe
#16
Steve Mason, Jeffrey S Osborn, Ritesh Dhar, Allison Tonkin, Jon-David Ethington, Viet Le, Jose Benuzillo, Donald L Lappe, Kirk U Knowlton, T Jared Bunch, Jeffrey L Anderson
INTRODUCTION: The recent MagnaSafe Registry demonstrated safety of non-thoracic magnetic resonance imaging (MRI) with non-conditional cardiac implantable electronic devices (CIEDs). However, independent validation and extension to thoracic MRIs are needed. METHODS AND RESULTS: We prospectively examined 178 consecutive patients with CIEDs who underwent 212 MRI scans (62 with implantable cardioverter/defibrillators) for clinical reasons between February 2014 and August 2016...
September 28, 2017: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/28958658/a-minimum-ten-years-of-follow-up-of-alumina-head-on-delta-liner-total-hip-arthroplasty
#17
Won-Sik Choy, Yong-Han Cha, Chung-Youb Jeon, Kyu-Sang Lee, Ha-Yong Kim
BACKGROUND: In the early days when delta ceramics were developed, there was a period of using delta ceramic liner and alumina ceramic head. Therefore, the purpose of this study is to investigate the clinical and radiological outcomes of total hip arthroplasty using delta ceramic liner on alumina ceramic head after a minimum of 10 years of follow-up and to evaluate problems of early delta ceramic liner. METHODS: Alumina on delta cementless total hip arthroplasty was performed in 92 hips (85 patients) from August 2005 to March 2007 at our hospital...
September 7, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28948056/could-hallucinogens-induce-permanent-pupillary-changes-in-ab-users-a-case-report-from-new-zealand
#18
Ahmed Al-Imam
An eighteen-year-old female patient of the Caucasian ethnicity from Australasia presented with a persistently dilated pupil causing her discomfort and occasional burning sensation when she is outdoors due to oversensitivity to sunlight. However, her pupillary reaction to light (pupillary light reflex) was intact. The patient is a known user of psychedelic substances (entheogens) including LSD, NBOMe, psilocybin, and DMT. The condition affects both eyes to the same extent. Thorough medical, neurological, and radiological examinations, including an EEG and an MRI of the head and neck region, were completely normal...
2017: Case Reports in Neurological Medicine
https://www.readbyqxmd.com/read/28946910/primary-paranasal-sinus-hyalinizing-clear-cell-carcinoma-a-case-report
#19
Batool M AlAli, Mohammed J Alyousef, Ahmad Salah Kamel, Mohammad A Al Hamad, Mohammad H Al-Bar, Roaa M Algowiez
BACKGROUND: Hyalinizing clear cell carcinoma (HCCC) is a rare low-grade tumour of salivary glands that was first described as a distinct entity in 1994 by Milchgrub et al. EWSR1-ATF1 fusion was found to be specific for this tumour. The majority of the reported cases of HCCC arise from minor salivary glands within the oral cavity. Primary HCCC of the paranasal sinus is extremely uncommon. To our knowledge, only three cases have been reported in the English literature. Herein, we present a case of HCCC of the posterior ethmoid/maxillary sinus...
September 25, 2017: Diagnostic Pathology
https://www.readbyqxmd.com/read/28940671/osteology-and-radiology-of-the-maned-wolf-chrysocyon-brachyurus-pelvic-limb
#20
R C Siqueira, S C Rahal, L R Inamassu, M J Mamprim, M Felix, M S Castilho, L R Mesquita, V L Ribeiro, C R Teixeira, F B Rassy
This study describes the osteology and radiology of the pelvic limb in maned wolves. Ten (five live and five dead) maned wolves (Chrysocyon brachyurus), five males and five females, aged from 2 to 7 years old were used. Digital radiographs were taken and recorded for both pelvic limbs in all animals. Osteology was correlated with the radiographic images. The pelvis had a rectangular shape, and the obturator foramen (foramen obturatum) was oval. The femoral neck (collum femoris) was short and thick. The greater trochanter (trochanter major) extended proximally to near the dorsum of the femoral head (caput ossis femoris)...
September 20, 2017: Anatomia, Histologia, Embryologia
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