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Pelvic MRI

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https://www.readbyqxmd.com/read/28448712/-quadratus-femoris-muscle-tear
#1
L G Domínguez-Gasca, J L Alcocer-Maldonado, J Magaña-Reyes, L G Domínguez-Carrillo
BACKGROUND: Quadratus femoris tear is an uncommon injury that usually cause hip pain, it incidence is unknown. The patient can suffer of posterior gluteal pain or groin pain or both, which makes accurate diagnosis difficult, because the differential diagnosis of hip pain is broad. CLINICAL CASE: A 65 years old male, with gluteal and groin pain presented during tennis; evaluated by neurologist with lumbosacral magnetic resonance imaging (MRI) (normal) and referred to physical therapy, a pelvic MRI was required, finding an unsuspected quadratus femoris tear...
September 2016: Acta Ortopédica Mexicana
https://www.readbyqxmd.com/read/28444423/canal-of-nuck-hernia-a-multimodality-imaging-review
#2
REVIEW
Mitchell A Rees, James E Squires, Sameh Tadros, Judy H Squires
Canal of Nuck abnormalities are a rare but important cause of morbidity in girls, most often those younger than 5 years of age. The canal of Nuck, which is the female equivalent of the male processus vaginalis, is a protrusion of parietal peritoneum that extends through the inguinal canal and terminates in the labia majora. The canal typically obliterates early in life, but in some cases the canal can partially or completely fail to close, potentially resulting in a hydrocele or hernia of pelvic contents. Recognition of this entity is especially important in cases of ovarian hernia due to the risk of incarceration and torsion...
April 25, 2017: Pediatric Radiology
https://www.readbyqxmd.com/read/28437003/high-intensity-focused-ultrasound-for-the-treatment-of-adenomyosis-selection-criteria-efficacy-safety-and-fertility
#3
Lian Zhang, Fangwen Rao, Raymond Setzen
Adenomyosis is a disorder of uterus in which endometrial glands and stroma are present within the uterine musculature. The main clinical manifestations are dysmenorrhea and menorrhagia. Adenomyosis has a great impact on both the quality of life and fertility of women. The treatment of adenomyosis remains an immense challenge MATERIAL AND METHODS: Relevant articles were searched through MEDLINE, Pubmed between 2000 and March 2017. The search terms of adenomyosis, magnetic resonance imaging (MRI) features of adenomyosis, high intensity focused ultrasound (HIFU), Ultrasound-guided HIFU and MRgFUS were used...
April 24, 2017: Acta Obstetricia et Gynecologica Scandinavica
https://www.readbyqxmd.com/read/28432270/discriminating-between-virilizing-ovary-tumors-and-ovary-hyperthecosis-in-postmenopausal-women-clinical-data-hormonal-profiles-and-image-studies
#4
Viviane Dos Reis Vieira Yance, José Antonio Miguel Marcondes, Michelle Patrocíneo Rocha, Cristiano Roberto Grimaldi Barcellos, Wagner Silva Dantas, Ana Flavia Assis Avila, Ronaldo Hueb Baroni, Filomena Marino Carvalho, Sylvia Asaka Yamashita Hayashida, Berenice Bilharinho Mendonça, Sorahia Domenice
The presence of virilizing signs associated with high serum androgen levels in postmenopausal women is rare. Virilizing ovarian tumors (VOTs) and ovarian stromal hyperthecosis (OH) are the most common etiologies in virilized postmenopausal women. The differential diagnosis between these two conditions is often difficult. OBJECTIVE: To evaluate the contribution of clinical features, hormonal profiles and radiological studies to the differential diagnosis of VOT and OH. DESIGN: A retrospective study...
April 21, 2017: European Journal of Endocrinology
https://www.readbyqxmd.com/read/28420517/ileocecal-endometriosis-diagnosis-and-management
#5
Ana López Carrasco, Alicia Hernández Gutiérrez, Paula A Hidalgo Gutiérrez, Roberto Rodríguez González, José L Marijuán Martín, Ignacio Zapardiel, Javier de Santiago García
OBJECTIVE: Ileocecal endometriosis is rare. Symptoms range from no symptoms, cramps, vomiting, to acute intestinal obstruction. Our objective was to review our cases, clarify, and resume its most appropriate management focusing on the factors to determine diagnosis. This is a retrospective study by revision of medical charts of all ileal endometriosis cases of our unit from 2006 to 2014. CASE REPORT: Seven cases were found; three (43%) had previous endometriosis laparoscopic diagnosis, four (57%) had partial bowel obstruction episodes, three (43%) had chronic pelvic pain, and one developed acute intestinal obstruction in postoperative ileostomy closure...
April 2017: Taiwanese Journal of Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28418695/a-comparison-of-different-staging-systems-for-multiple-myeloma-can-the-mri-pattern-play-a-prognostic-role
#6
Giacomo Filonzi, Katia Mancuso, Elena Zamagni, Cristina Nanni, Paolo Spinnato, Michele Cavo, Stefano Fanti, Eugenio Salizzoni, Alberto Bazzocchi
OBJECTIVE: The objective of this study is to compare the most recent systems for the staging of multiple myeloma (MM), the Durie-Salmon PLUS system and the International Staging System, according to patients' survival rates and response to therapy. Another objective is to verify whether patterns of bone marrow alteration on MRI (i.e., focal, diffuse, or variegated patterns) can provide prognostic information for patients with MM. MATERIALS AND METHODS: We retrospectively enrolled 85 patients with MM who were monitored for a minimum of 6 years and who underwent contrast-enhanced spinal and pelvic MRI at 1...
April 18, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28417852/nuclear-medicine-in-pediatric-nephro-urology-an-overview
#7
REVIEW
Iosif Mendichovszky, Bernardita Troncoso Solar, Naima Smeulders, Marina Easty, Lorenzo Biassoni
In the context of ante-natally diagnosed hydronephrosis, the vast majority of children with a dilated renal pelvis do not need any surgical treatment, as the dilatation resolves spontaneously with time. Slow drainage demonstrated at Tc-99m-mercaptoacetyltriglycine (MAG3) renography does not necessarily mean obstruction. Obstruction is defined as resistance to urinary outflow with urinary stasis at the level of the pelvic-ureteric junction (PUJ) which, if left untreated, will damage the kidney. Unfortunately this definition is retrospective and not clinically helpful...
May 2017: Seminars in Nuclear Medicine
https://www.readbyqxmd.com/read/28413533/persistent-l5-lumbosacral-radiculopathy-caused-by-lumbosacral-trunk-schwannoma
#8
Guive Sharifi, Amin Jahanbakhshi
Schwannomais, usually, benign tumor of nerve sheath that occurs evenly along the spinal cord. Intra-pelvic schwannoma is very rare entity that may arise from lumbosacral nerve roots or from sciatic nerve. Radicular pain of the lower limb as a presenting symptom of pelvic schwannoma is extremely rare. In the current report, the patient is presented with a right sided L5 radicular pain typical of lumbar discopathy. Interestingly, a herniated lumbar disc was noted on lumbosacral magnetic resonance imaging (MRI)...
January 2017: Asian Journal of Neurosurgery
https://www.readbyqxmd.com/read/28412162/incidence-and-clinical-features-of-sacral-insufficiency-fracture-in-the-emergency-department
#9
Yasuaki Tamaki, Akihiro Nagamachi, Kazumasa Inoue, Makoto Takeuchi, Kosuke Sugiura, Yasuyuki Omichi, Shunsuke Tamaki, Takashi Chikawa, Koichi Sairyo, Keisuke Adachi
INTRODUCTION: A sacral insufficiency fracture (SIF) often manifests as low back pain or sciatica in the absence of any antecedent trauma. These fractures may be missed because of lack of appropriate imaging. The purpose of this study was to clarify the incidence and clinical features of SIF as well as the characteristic findings on magnetic resonance imaging (MRI) of the lumbar spine. MATERIALS AND METHODS: The study participants comprised 250 patients (132 male, 118 female; mean age 58...
March 18, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28409251/advanced-imaging-techniques-in-pediatric-body-mri
#10
REVIEW
Jesse Courtier, Anil G Rao, Sudha A Anupindi
While there are many challenges specific to pediatric abdomino-pelvic MRI, many recent advances are addressing these challenges. It is therefore essential for radiologists to be familiar with the latest advances in MR imaging. Laudable efforts have also recently been implemented in many centers to improve the overall experience of pediatric patients, including the use of dedicated radiology child life specialists, MRI video goggles, and improved MR suite environments. These efforts have allowed a larger number of children to be scanned while awake, with fewer studies being done under sedation or anesthesia; this has resulted in additional challenges from patient motion and difficulties with breath-holding and tolerating longer scan times...
May 2017: Pediatric Radiology
https://www.readbyqxmd.com/read/28407330/diffusion-weighted-and-magnetization-transfer-imaging-in-testicular-spermatogenic-function-evaluation-preliminary-results
#11
Huanjun Wang, Jian Guan, Jinhua Lin, Zhongwei Zhang, Shurong Li, Yan Guo, Huasong Cai
PURPOSE: To assess the use of functional magnetic resonance imaging (MRI), including diffusion-weighted MRI (DWI) and magnetization transfer MRI (MTI) in evaluating male infertility. MATERIALS AND METHODS: Sixteen men with testicular spermatogenesis hypofunction confirmed by percutaneous testis biopsy and 31 volunteers (control group B, age range: 20-40 years) with normal semen analysis including younger (By, n = 15, age range: 20-30 years) and older (Bo, n = 16, age range: 31-40 years) men underwent pelvic 3T MRI, including DWI and MTI...
April 13, 2017: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/28397200/impact-of-pelvic-magnetic-resonance-imaging-findings-in-the-indication-of-uterine-artery-embolization-in-the-treatment-of-myoma
#12
Norma Maria Tenório Brito Pires, Emmanuelle Tenório Godoi, Dinaldo Cavalcanti Oliveira, Simone Cristina Soares Brandão, Carlos Coutinho Abath, Pedro Pires, Edward Araujo Júnior
OBJECTIVES: To assess the impact of pelvic magnetic resonance imaging (MRI) findings in the indication for uterine-artery embolization in women with fibroids, as well as the correlation between MRI and ultrasound (US) examinations for diagnosing adenomyosis. MATERIAL AND METHODS: A retrospective observational study was performed through the analysis of the medical records of 263 women referred for uterine-artery embolization as treatment for fibroids after undergoing US and MRI examinations...
2017: Ginekologia Polska
https://www.readbyqxmd.com/read/28397150/quantitative-effects-of-acquisition-duration-and-temporal-resolution-on-the-measurement-accuracy-of-prostate-dynamic-contrast-enhanced-mri-data-a-phantom-study
#13
Silvin Paul Knight, Jacinta Elizabeth Browne, James Frances Mary Meaney, Andrew John Fagan
OBJECTIVES: The aim of this study was to investigate the effect of the temporal resolution (T res) and acquisition duration (AD) on the measurement accuracy of contrast concentration-time curves (CTCs), and derived phenomenological and pharmacokinetic parameter values, in a dynamic contrast-enhanced MRI experiment using a novel phantom test device. MATERIALS AND METHODS: 'Ground truth' CTCs were established using a highly precise optical imaging system. These precisely known CTCs were produced in an anthropomorphic environment, which mimicked the male pelvic region, and presented to the MRI scanner for measurement...
April 10, 2017: Magma
https://www.readbyqxmd.com/read/28386692/the-usefulness-of-mr-defecography-in-the-evaluation-of-pelvic-floor-dysfunction-our-experience-using-3t-mri
#14
Mahasen S Al-Najar, Ahmed F Ghanem, Saif Aldeen S AlRyalat, Nosaiba T Al-Ryalat, Sultan O Alhajahjeh
PURPOSE: To assess the usefulness of MR defecography in evaluating pelvic floor dysfunction, and to correlate several pelvic organ abnormalities with each other and with patients' symptoms and characteristics. METHODS: MR defecographic examinations performed in 3T MRI machine of 95 patients (70 females, 25 males; mean age 48) were retrospectively reviewed. Pelvic organ abnormalities from all three compartments were recorded, including the anorectal junction descent, anterior rectocele, and cystocele...
April 6, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/28386577/automatic-vertebra-segmentation-on-dynamic-magnetic-resonance-imaging
#15
Sinan Onal, Xin Chen, Susana Lai-Yuen, Stuart Hart
The automatic extraction of the vertebra's shape from dynamic magnetic resonance imaging (MRI) could improve understanding of clinical conditions and their diagnosis. It is hypothesized that the shape of the sacral curve is related to the development of some gynecological conditions such as pelvic organ prolapse (POP). POP is a critical health condition for women and consists of pelvic organs dropping from their normal position. Dynamic MRI is used for assessing POP and to complement clinical examination. Studies have shown some evidence on the association between the shape of the sacral curve and the development of POP...
January 2017: Journal of Medical Imaging
https://www.readbyqxmd.com/read/28384540/efficacy-and-acceptability-of-long-term-norethindrone-acetate-for-the-treatment-of-rectovaginal-endometriosis
#16
Matteo Morotti, Pier Luigi Venturini, Ennio Biscaldi, Annalisa Racca, Luana Calanni, Valerio Gaetano Vellone, Cesare Stabilini, Simone Ferrero
OBJECTIVE: To study the efficacy of long-term treatment with norethindrone acetate (NETA) in patients with rectovaginal endometriosis. STUDY DESIGN: This retrospective cohort study included 103 women with pain symptoms caused by rectovaginal endometriosis. Patients received NETA alone (2.5mg/day up to 5mg/day) for 5 years. Primary outcome was the degree of satisfaction with treatment after 5 years of progestin therapy. Secondary outcomes were the assessment of any variation in pain symptoms and the volumetric assessment of the disease by magnetic resonance imaging (MRI)...
March 27, 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/28365933/preoperative-assessment-in-endometrial-cancer-is-triage-for-lymphadenectomy-possible
#17
Panagiotis Tsikouras, Zacharoula Koukouli, Anastasia Bothou, Bachar Manav, George Iatrakis, Stefanos Zervoudis, George Galazios, Alexander Tobias Teichmann
PURPOSE: We sought to examine whether a preoperative assessment with usual means, available in most hospitals (preoperative histology, pelvic MRI, serum CA-125) can confidently exclude from a full staging surgical procedure low-risk endometrial carcinoma (EC) patients according to ESMO-ESTRO-ESGO criteria (stage I endometrioid EC, grade 1 or 2, myometrial invasion <50% and negative lymphovascular space invasion). METHODS: We retrospectively identified all EC patients that underwent total hysterectomy with bilateral salpingo-oophorectomy (TH-BSO) plus lymph node dissection (LND) as primary treatment for endometrioid tumors from January, 2000 to December, 2010...
January 2017: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/28357568/high-resolution-metal-artifact-reduction-mr-imaging-of-the-lumbosacral-plexus-in-patients-with-metallic-implants
#18
Shivani Ahlawat, Steven E Stern, Allan J Belzberg, Jan Fritz
OBJECTIVE: To assess the quality and accuracy of metal artifact reduction sequence (MARS) magnetic resonance imaging (MRI) for the diagnosis of lumbosacral neuropathies in patients with metallic implants in the pelvis. MATERIALS AND METHODS: Twenty-two subjects with lumbosacral neuropathy following pelvic instrumentation underwent 1.5-T MARS MRI including optimized axial intermediate-weighted and STIR turbo spin echo sequences extending from L5 to the ischial tuberosity...
March 30, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28352953/three-dimensional-volume-rendering-of-pelvic-models-and-paraurethral-masses-based-on-mri-cross-sectional-images
#19
Stergios K Doumouchtsis, Daron A Nazarian, Nivedita Gauthaman, Constantin M Durnea, Graham Munneke
AIMS: Our aim was to assess the feasibility of rendering 3D pelvic models using magnetic resonance imaging (MRI) scans of patients with vaginal, urethral and paraurethral lesions and obtain additional information previously unavailable through 2D imaging modalities. METHODS: A purposive sample of five female patients 26-40 years old undergoing investigations for vaginal or paraurethral mass was obtained in a tertiary teaching hospital. 3D volume renderings of the bladder, urethra and paraurethral masses were constructed using 3D-Slicer v...
March 28, 2017: International Urogynecology Journal
https://www.readbyqxmd.com/read/28328579/resting-state-functional-connectivity-predicts-longitudinal-pain-symptom-change-in-urologic-chronic-pelvic-pain-syndrome-a-mapp-network-study
#20
Jason J Kutch, Jennifer S Labus, Richard E Harris, Katherine T Martucci, Melissa A Farmer, Sonja Fenske, Connor Fling, Eric Ichesco, Scott Peltier, Bogdan Petre, Wensheng Guo, Xiaoling Hou, Alisa J Stephens, Chris Mullins, Daniel J Clauw, Sean C Mackey, A Vania Apkarian, J Richard Landis, Emeran A Mayer
Chronic pain symptoms often change over time, even in individuals who have had symptoms for years. Studying biological factors that predict trends in symptom change in chronic pain may uncover novel pathophysiological mechanisms and potential therapeutic targets. In this study, we investigated whether brain functional connectivity measures obtained from resting-state functional MRI (rs-fMRI) at baseline can predict longitudinal symptom change (3, 6, and 12 months post-scan) in urologic chronic pelvic pain syndrome (UCPPS)...
March 17, 2017: Pain
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