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https://www.readbyqxmd.com/read/29333471/sectional-anatomy-quiz-ii
#1
Rashid Hashmi
This mage-based series comprises of a quiz pertaining to the identification of salient and important anatomical structures and landmarks expected to be seen at a given level on the computed tomography (CT). The representative image is followed by a series of images showing the examples of different commonly encountered pathological entities that can be seen at this level in a routine clinical practice. Readers are encouraged to identify the highlighted anatomical structures and landmarks in all the images and appreciate the alterations in the appearance of the normal structures resulting from the presence of a pathology...
2018: Asia Oceania Journal of Nuclear Medicine & Biology
https://www.readbyqxmd.com/read/29327265/successful-diagnosis-of-an-occult-fallopian-tube-carcinoma-detected-from-the-diaphragm-metastasis
#2
Takahide Toyoda, Hidemi Suzuki, Takahiro Nakajima, Takekazu Iwata, Ayumu Matsuoka, Kyoko Nishikimi, Yoko Yonemori, Makio Shozu, Yukio Nakatani, Ichiro Yoshino
We herein reported a rare case of an occult fallopian tube carcinoma first detected from the diaphragm metastasis. An 83-year-old woman who had a 30-mm tumor on the right diaphragm underwent radical resection. Pathologically, the tumor was diagnosed as a high-grade serous adenocarcinoma, suggesting metastasis from the pelvic visceral carcinoma. Although the primary site could not be detected by imaging examinations, laparoscopy revealed multiple peritoneal disseminations; therefore, total hysterectomy was performed...
January 11, 2018: General Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/29322292/bilateral-symmetrical-comparison-of-the-proximal-femur-using-3d-ct-models
#3
Filip C Dolatowski, Max J Temmesfeld, Claude Pierre-Jerome, Arne Borthne, Sigurd Erik Hoelsbrekken
PURPOSE: Superimposed three-dimensional (3D)-models obtained from CT-images have been used to evaluate displacement of femoral neck fractures, but this method assumes symmetrical anatomy of normal femurs. The present study aimed to compare the spatial orientation of the left and right proximal femur, thus establishing if 3D models can be used as a reference standard for the evaluation of fracture displacement. METHODS: We generated 3D-CT-models of 20 patients with no skeletal pathology of the proximal femurs...
January 10, 2018: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/29320328/twenty-five-diagnoses-on-midline-images-of-the-brain-from-fetus-to-child-to-adult
#4
Asim F Choudhri, Harris L Cohen, Adeel Siddiqui, Vijay Pande, Ari M Blitz
Midsagittal images of the brain provide a wealth of anatomic information and may show abnormalities that are pathognomonic for particular diagnoses. Using an anatomy-based approach, the authors identify pertinent anatomic structures to serve as a checklist when evaluating these structures. Subregions evaluated include the corpus callosum, pituitary gland and sellar region, pineal gland and pineal region, brainstem, and cerebellum. The authors present 25 conditions with characteristic identifiable abnormalities at midsagittal imaging...
January 2018: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/29313372/optimization-of-three-dimensional-modeling-for-geometric-precision-and-efficiency-for-healthy-and-diseased-aortas
#5
Christopher P Cheng, Yufei D Zhu, Ga-Young Suh
The study purpose is to optimize modeling parameters, specifically segmentation spacing and centerline extraction, to efficiently construct accurate 3D aortic models. Models are constructed by centerline extraction and orthogonal 2D segmentations. We examine the effect of segmentation interval spacing (2, 1, 0.5, 0.25 cm) and orthogonal segmentation and centerline extraction iteration (one, two, three iterations) for constructing models of Healthy, Tortuous, Aneurysmal, and Dissected human thoracic aortas...
January 9, 2018: Computer Methods in Biomechanics and Biomedical Engineering
https://www.readbyqxmd.com/read/29312871/patient-specific-three-dimensional-printing-for-pre-surgical-planning-in-hepatocellular-carcinoma-treatment
#6
Elizabeth Perica, Zhonghua Sun
Background: Recently, three-dimensional (3D) printing has shown great interest in medicine, and 3D printed models may be rendered as part of the pre-surgical planning process in order to better understand the complexities of an individual's anatomy. The aim of this study is to investigate the feasibility of utilising 3D printed liver models as clinical tools in pre-operative planning for resectable hepatocellular carcinoma (HCC) lesions. Methods: High-resolution contrast-enhanced computed tomography (CT) images were acquired and utilized to generate a patient-specific 3D printed liver model...
December 2017: Quantitative Imaging in Medicine and Surgery
https://www.readbyqxmd.com/read/29302903/pelvi-ureteric-junction-obstruction-related-to-crossing-vessels-vascular-anatomic-variations-and-implication-for-surgical-approaches
#7
REVIEW
Frédéric Panthier, Fabien Lareyre, Marie Audouin, Juliette Raffort
Pelvi-ureteric junction obstruction corresponds to an impairment of urinary transport that can lead to renal dysfunction if not treated. Several mechanisms can cause the obstruction of the ureter including intrinsic factors or extrinsic factors such as the presence of crossing vessels. The treatment of the disease relies on surgical approaches, pyeloplasty being the standard reference. The technique consists in removing the pathologic ureteric segment and renal pelvis and transposing associated crossing vessels if present...
January 4, 2018: International Urology and Nephrology
https://www.readbyqxmd.com/read/29299107/the-missing-link-a-case-of-absent-pituitary-infundibulum-and-ectopic-neurohypophysis-in-a-pediatric-patient-with-heterotaxy-syndrome
#8
Adil Omer, Dana Haddad, Leszek Pisinski, Alan V Krauthamer
We report a case of absent pituitary infundibulum and ectopic neurohypophysis in a 4-year-old patient presenting clinically with hypopituitarism as well as heterotaxy syndrome complicated by global developmental delay and growth retardation. The clinical and laboratory workup of our patient suggested underlying hypopituitarism related to either congenital or acquired pathology, necessitating MRI to distinguish between them. We explain the various structural causes of hypopituitarism and detail how to predict the MRI findings and treatment, based on a fundamental understanding of the anatomy and pathophysiology of the hypothalamic pituitary axis and distinguishing anterior versus posterior pituitary hormone derangements...
September 2017: Journal of Radiology Case Reports
https://www.readbyqxmd.com/read/29298475/neuropelveology-an-emerging-discipline-for-the-management-of-chronic-pelvic-pain
#9
REVIEW
Marc Possover, Karl-Erik Andersson, Axel Forman
Chronic pelvic pain (CPP) is a common condition involving multiple, organ-specific medical specialties, each with its own approach to diagnosis and treatment. Management requires knowledge of the interplay between pelvic organ function and neuro-functional anatomy, and of the neurologic and psychological aspects of CPP, but no current specialty fully encompasses this approach. Neuropelveology is an emerging discipline focusing on pathologies of the pelvic nervous system on a cross-disciplinary basis. It involves a neurological/neurosurgical approach, combining the knowledge required for a proper neurologic diagnosis, confirmation by transvaginal/transrectal examination of the pelvic nerves, and advanced laparoscopic surgery in selected cases of CPP...
December 2017: International Neurourology Journal
https://www.readbyqxmd.com/read/29289707/periodontal-materials-and-cell-biology-for-guided-tissue-and-bone-regeneration
#10
REVIEW
Mihai Andrei, Anca Dinischiotu, Andreea Cristiana Didilescu, Daniela Ionita, Ioana Demetrescu
The present review is intended to find links between periodontal materials of the dentomaxillary apparatus and cell biology at the beginning of a century fraught with various forms of periodontal diseases and needing new treatment strategies. The manuscript has two different parts. The first describes the anatomy of tooth supporting structures, as well as related pathologies. The second part is related to cell and molecular biology in the context of periodontal regeneration.
December 28, 2017: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/29287862/using-simulators-to-teach-pediatric-airway-procedures-in-an-international-setting
#11
Marissa A Schwartz, Katherine R Kavanagh, Steven J Frampton, Iain A Bruce, Tulio A Valdez
INTRODUCTION: There has been a growing shift towards endoscopic management of laryngeal procedures in pediatric otolaryngology. There still appears to be a shortage of pediatric otolaryngology programs and children's hospitals worldwide where physicians can learn and practice these skills. Laryngeal simulation models have the potential to be part of the educational training of physicians who lack exposure to relatively uncommon pediatric otolaryngologic pathology. OBJECTIVES: The objective of this study was to assess the utility of pediatric laryngeal models to teach laryngeal pathology to physicians at an international meeting...
January 2018: International Journal of Pediatric Otorhinolaryngology
https://www.readbyqxmd.com/read/29284978/successful-surgical-management-of-palatogingival-groove-using-platelet-rich-fibrin-and-guided-tissue-regeneration-a-novel-approach
#12
J V Karunakaran, Susan Mathew Fenn, N Jayaprakash, N Ragavendran
Palatogingival groove also known as radicularlingual groove is a developmental anomaly involving the lingual surface of the maxillary incisors. They are inconspicuous, funnel-shaped, extend for varying distances on root surface and occur due to infolding of the hertwigs epithelial root sheath. This encourages adherence of microorganisms and plaque to levels significant for pathological changes resulting in endodontic and periodontal lesions. The variations in anatomy of the tooth as a cause of pulp necrosis in teeth of anterior maxillary segment should be considered by the clinician when other etiological factors are ruled out...
November 2017: Journal of Pharmacy & Bioallied Sciences
https://www.readbyqxmd.com/read/29284918/telemedicine-in-cardiology-perspectives-in-bosnia-and-herzegovina
#13
REVIEW
Nabil Naser, Salih Tandir, Edin Begic
Introduction: Aim of article was to present perspectives of telemedicine in the field of cardiology in Bosnia and Herzegovina. Material and methods: Article has descriptive character and present review of literature. Results: Information technology can have the application in the education of students, starting from basic medical sciences up to clinical subjects. Information technologies are used for ECG analysis, 24h ECG Holter monitoring, which detects different rhythm disorders...
December 2017: Acta Informatica Medica: AIM
https://www.readbyqxmd.com/read/29280026/management-of-non-functioning-pituitary-adenomas-surgery
#14
REVIEW
David L Penn, William T Burke, Edward R Laws
Non-functional pituitary adenomas (NFPAs) are benign tumors of the pituitary gland that do not over-secrete hormonal products, therefore, they are generally detected through symptoms of mass effect, including headache, vision loss, or hypopituitarism. There are multiple pathological subtypes of NFPAs, such as null cell adenomas, silent gonadotrophs, silent somatotrophs, silent corticotrophs, and silent subtype 3, all of which can be classified based on immunohistochemical studies and electron microscopy. Despite these numerous pathological subtypes, surgical resection remains the first-line treatment for NFPAs...
December 26, 2017: Pituitary
https://www.readbyqxmd.com/read/29277793/retzius-sparing-robotic-assisted-radical-prostatectomy-associated-with-less-bladder-neck-descent-and-better-early-continence-outcome
#15
Li-Wen Chang, Sheng-Chun Hung, Ju-Chuan Hu, Kun-Yuan Chiu
BACKGROUND/AIM: We attempted to evaluate the association of early continence outcome of Retzius-sparing robotic assisted radical prostatectomy (RARP) and bladder neck descent with postoperative cystography. PATIENTS AND METHODS: From November 2014 to December 2015, 30 patients with prostate cancer who received Retzius-sparing LRP/ RARP were compared to 30 patients that received retropubic approach RARP with propensity score matching analysis. Cystogram was used to evaluate the bladder neck descent using the bladder neck to pubic symphysis (BNPS) ratio and the continence state was evaluated...
January 2018: Anticancer Research
https://www.readbyqxmd.com/read/29277300/innovations-in-preoperative-planning-insights-into-another-dimension-using-3d-printing-for-cardiac-disease
#16
REVIEW
Kanwal M Farooqi, Feroze Mahmood
Two-dimensional visualization of complex congenital heart disease has limitations in that there is variation in the interpretation by different individuals. Three-dimensional printing technology has been in use for decades but is currently becoming more commonly used in the medical field. Congenital heart disease serves as an ideal pathology to employ this technology because of the variation of anatomy between patients. In this review, the authors aim to discuss basics of applicability of three-dimensional printing, the process involved in creating a model, as well as challenges with establishing utility and quality...
November 23, 2017: Journal of Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/29275904/the-achilles-tendon-in-healthy-subjects-an-anthropometric-and-ultrasound-mapping-study
#17
Nick N Patel, Sameh A Labib
Ultrasonography is an inexpensive, fast, and reliable imaging technique widely used to assess the Achilles tendon. Although significant data exists regarding pathologic tendon changes, ultrasound data from healthy individuals are more limited. We aimed to better characterize ultrasound Achilles tendon measurements in healthy individuals and identify important correlating factors. The information collected included patient demographics, body habitus, activity level, foot dominance, and resting ankle angle. Ultrasound analysis was performed bilaterally on the Achilles tendons of 50 subjects using a high-frequency transducer to measure tendon width, thickness, cross-sectional area, and length...
December 21, 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/29275549/-research-progress-of-sudden-cardiac-death-in-forensic-medicine
#18
REVIEW
D Zheng, K Yin, J J Zheng, N Zhou, Y Liu, X Fu, J D Cheng
Sudden death (SD) is a special kind of death owing to disease, which severely threatening the lives of community population. As the most common type of SD, sudden cardiac death (SCD) has always been a crucial content of identification and research in forensic pathology. This article reviews the research progress from the aspects of epidemiology, morphology, molecular pathology and virtual anatomy of SCD in forensic medicine, so as to provide a reference for the morphological identification, determination of cause of death, and integrated control of this kind of SD...
October 2017: Fa Yi Xue za Zhi
https://www.readbyqxmd.com/read/29274126/computed-tomographic-contrast-tenography-of-the-digital-flexor-tendon-sheath-of-the-equine-hindlimb
#19
Rachel Agass, Jonathon Dixon, Barny Fraser
Pre-surgical investigation of digital flexor tendon sheath pathology remains challenging with current standard imaging techniques. The aim of this prospective, anatomical, pilot study was to describe the anatomy of the equine hind limb digital flexor tendon sheath using a combination of computed tomography (CT) and computed tomographic contrast tenography in clinically normal cadaver limbs. Ten pairs of hind limbs with no external abnormalities were examined from the level of the tarsometatarsal joint distally...
December 22, 2017: Veterinary Radiology & Ultrasound
https://www.readbyqxmd.com/read/29273830/a-posterior-labral-cyst-associated-with-an-anterior-labral-tear-of-the-hip
#20
Elizabeth Scott, Robert Westermann, James Rosneck
Paralabral cysts are often associated with labral and other intraarticular hip pathology; MRI as well as diagnostic ultrasound can assist in diagnosis. Although often considered a coincidental finding, paralabral cysts can be a separate pain generator about the hip through compression of surrounding anatomy. They can also be initially mistaken for malignancy or other pathology by providers unfamiliar with their appearance. We present the case of an active 33-year-old female with right hip pain secondary to a large symptomatic posterior acetabular paralabral cyst with concomitant anterior labral tear...
December 22, 2017: Skeletal Radiology
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