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Pelvic MRI

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https://www.readbyqxmd.com/read/28652096/mr-imaging-of-endometriosis-spectrum-of-disease
#1
C Bourgioti, O Preza, E Panourgias, K Chatoupis, A Antoniou, M E Nikolaidou, L A Moulopoulos
Endometriosis is a common gynecological disorder defined by the presence of endometrial tissue outside the uterus. It is the most common cause of chronic pelvic pain and typically affects the ovaries, uterine ligaments, peritoneum, tubes, rectovaginal septum and bladder. It may, however, be found at various extrapelvic sites, including the perineum, liver, pancreas, lung or even the central nervous system, and in such cases, diagnosis may be quite challenging. Even though definitive diagnosis requires laparoscopy, preoperative identification of endometriosis is important not only to differentiate it from other diseases with similar clinical presentations but also, for accurate presurgical mapping, since complete removal of all endometriotic foci is critical for the effective treatment of the patient's symptoms...
June 23, 2017: Diagnostic and Interventional Imaging
https://www.readbyqxmd.com/read/28646463/patterns-of-failure-after-radical-prostatectomy-in-prostate-cancer-implications-for-radiation-therapy-planning-after-68-ga-psma-pet-imaging
#2
Kilian Schiller, K Sauter, S Dewes, M Eiber, T Maurer, J Gschwend, S E Combs, G Habl
BACKGROUND: Salvage radiotherapy (SRT) after radical prostatectomy (RPE) and lymphadenectomy (LAE) is the appropriate radiotherapy option for patients with persistent/ recurrent prostate cancer (PC). (68)Ga-PSMA-PET imaging has been shown to accurately detect PC lesions in a primary setting as well as for local recurrence or for lymph node (LN) metastases. OBJECTIVE: In this study we evaluated the patterns of recurrence after RPE in patients with PC, putting a highlight on the differentiation between sites that would have been covered by a standard radiation therapy (RT) field in consensus after the RTOG consensus and others that would have not...
June 23, 2017: European Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/28638791/magnetic-resonance-imaging-for-diagnosis-and-neoadjuvant-treatment-evaluation-in-locally-advanced-rectal-cancer-a-pictorial-review
#3
REVIEW
Gulgun Engin, Rasul Sharifov
High-resolution pelvic magnetic resonance imaging (MRI) is the primary method for staging rectal cancer. MRI is highly accurate in the primary staging of rectal cancer; however, it has not proven to be effective in re-staging, especially in complete response evaluation after neoadjuvant therapy. Neoadjuvant chemoradiotherapy produces many changes in rectal tumors and on adjacent area, as a result, local tumor extent may not be accurately determined. However, adding diffusion-weighted sequences to the standard approach can improve diagnostic accuracy...
June 10, 2017: World Journal of Clinical Oncology
https://www.readbyqxmd.com/read/28634015/three-dimensional-3d-printed-model-for-deep-infiltrating-endometriosis-die-a-case-report
#4
Mobolaji O Ajao, Nisse V Clark, Tatiana Kelil, Sarah L Cohen, Jon I Einarsson
The combination of a thorough physical exam and imaging with either MRI or pelvic ultrasound are important in pre-operative planning for deep infiltrating endometriosis. Nevertheless, the 2-dimensional rendering of the pathology by imaging does not always accurately represent intra-operative findings. An in-depth topographical relationship and extent of surrounding tissue invasion can be better appreciated from 3-dimensional modeling. A 49 year old patient with history of endometriosis and persistent pain underwent pre-operative imaging with MRI that was consistent with infiltrating endometriosis...
June 17, 2017: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/28630240/port-site-endometrioma-a-rare-cause-of-abdominal-wall-pain-following-laparoscopic-surgery
#5
Zohaib A Siddiqui, Fahd Husain, Zain Siddiqui, Midhat Siddiqui
Endometriomas are a rare cause of abdominal wall pain. We report a case of a port site endometrioma presenting with an umbilical swelling. The patient underwent a laparoscopy for pelvic endometriosis 6 months previously and presented with a swelling around her umbilical port site scar associated with cyclical pain during menses. Ultrasound scan reported a well-defined lesion in the umbilicus and MRI scanning excluded other pathology. As she was symptomatic, she underwent an exploration of the scar and excision of the endometrioma with resolution of her symptoms...
June 18, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28624555/sacral-neuromodulation-device-heating-during-lumbar-and-pelvic-mri-a-phantom-study
#6
A Quirouet, P K Bhattacharyya, E J Dielubanza, B C Gill, S E Jones, H B Goldman
OBJECTIVE: To evaluate radiofrequency induced temperature rises associated with performing lumbar and pelvic magnetic resonance imaging studies with an implanted sacral neuromodulation device using a phantom model. MATERIALS AND METHODS: An accepted phantom model of RF-induced heating in human tissue was used to measure the temperature rise in the stimulator lead electrodes and impulse generator under the conditions used during routine clinical lumbar and pelvic MRIs in a 1...
June 14, 2017: Urology
https://www.readbyqxmd.com/read/28616724/nd-yag-laser-therapy-for-rectal-and-vaginal-venous-malformations
#7
Lori A Gurien, Richard J Jackson, Michelle M Kiser, Gresham T Richter
BACKGROUND: Limited therapeutic options exist for rectal and vaginal venous malformations (VM). We describe our center's experience using Nd:YAG laser for targeted ablation of abnormal veins to treat mucosally involved pelvic VM. METHODS: Records of patients undergoing non-contact Nd:YAG laser therapy of pelvic VM at a tertiary children's hospital were reviewed. Symptoms, operative findings and details, complications, and outcomes were evaluated. RESULTS: Nine patients (age 0-24) underwent Nd:YAG laser therapy of rectal and/or vaginal VM...
June 14, 2017: Pediatric Surgery International
https://www.readbyqxmd.com/read/28616108/advances-in-basic-science-methodologies-for-clinical-diagnosis-in-female-stress-urinary-incontinence
#8
REVIEW
Marwa Abdulaziz, Emily G Deegan, Alex Kavanagh, Lynn Stothers, Denise Pugash, Andrew Macnab
We provide an overview of advanced imaging techniques currently being explored to gain greater understanding of the complexity of stress urinary incontinence (SUI) through better definition of structural anatomic data. Two methods of imaging and analysis are detailed for SUI with or without prolapse: 1) open magnetic resonance imaging (MRI) with or without the use of reference lines; and 2) 3D reconstruction of the pelvis using MRI. An additional innovative method of assessment includes the use of near infrared spectroscopy (NIRS), which uses non-invasive photonics in a vaginal speculum to objectively evaluate pelvic floor muscle (PFM) function as it relates to SUI pathology...
June 2017: Canadian Urological Association Journal, Journal de L'Association des Urologues du Canada
https://www.readbyqxmd.com/read/28612991/evaluation-of-the-added-value-of-imaging-the-pelvis-in-patients-with-hepatocellular-cancer
#9
Janio Szklaruk, Diana Kaya, Wei Wei
BACKGROUND AND AIM: To evaluate added value of the pelvic portion of the CT and MRI examination in patients with a primary diagnosis of HCC. METHODS: We reviewed the medical records of 478 patients with 881 examinations of the abdomen and pelvis who underwent treatment at our institution between March 2015 and March 2016. These patients were reviewed for presence of pathology in the pelvis, which were classified into 2 categories as new or old (already known on prior imaging)...
June 14, 2017: Journal of Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28609701/the-3d-pelvic-inclination-correction-system-pics-a-universally-applicable-coordinate-system-for-isovolumetric-imaging-measurements-tested-in-women-with-pelvic-organ-prolapse-pop
#10
Caecilia S Reiner, Tom Williamson, Thomas Winklehner, Sean Lisse, Daniel Fink, John O L DeLancey, Cornelia Betschart
In pelvic organ prolapse (POP), the organs are pushed downward along the lines of gravity, so measurements along this longitudinal body axis are desirable. We propose a universally applicable 3D coordinate system that corrects for changes in pelvic inclination and that allows the localization of any point in the pelvis at rest or under dynamic conditions on magnetic resonance images (MRI) of pelvic floor disorders in a scanner- and software independent manner. The proposed 3D coordinate system called 3D Pelvic Inclination Correction System (PICS) is constructed utilizing four bony landmark points, with the origin set at the inferior pubic point, and three additional points at the sacrum (sacrococcygeal joint) and both ischial spines, which are clearly visible on MRI images...
June 3, 2017: Computerized Medical Imaging and Graphics: the Official Journal of the Computerized Medical Imaging Society
https://www.readbyqxmd.com/read/28609118/sports-related-groin-pain-secondary-to-symphysis-pubis-disorders-correlation-between-mri-findings-and-outcome-after-fluoroscopy-guided-injection-of-steroid-and-local-anesthetic
#11
Caoimhe A Byrne, Dermot J Bowden, Abdullah Alkhayat, Eoin C Kavanagh, Stephen J Eustace
OBJECTIVE: The objective of our study was to correlate patterns of injury on preprocedural MRI with outcome after targeted fluoroscopy-guided steroid and local anesthetic injection of the symphysis pubis and its muscular attachments in a group of athletes with chronic groin pain. MATERIALS AND METHODS: Forty-five patients with chronic sports-related groin pain underwent MRI of the pelvis and a targeted fluoroscopy-guided symphyseal corticosteroid and local anesthetic injection...
June 13, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28599883/uterine-sparing-laparoscopic-resection-of-accessory-cavitated-uterine-masses
#12
Ann Peters, Noah B Rindos, Richard S Guido, Nicole M Donnellan
To demonstrate surgical techniques utilized during uterine-sparing laparoscopic resections of accessory cavitated uterine masses (ACUM) BACKGROUND: ACUM represent a rare uterine entity observed in premenopausal women suffering from dysmenorrhea and recurrent pelvic pain. The diagnosis is made when an isolated extra-cavitated uterine mass is resected from an otherwise normal appearing uterus with unremarkable endometrial lumen and adnexal structures. Pathologic confirmation requires an accessory cavity lined with endometrial epithelium (and corresponding glands and stroma) filled with chocolate-brown fluid...
June 6, 2017: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/28594719/bowel-dysfunction-after-low-anterior-resection-with-neoadjuvant-chemoradiotherapy-or-chemotherapy-alone-for-rectal-cancer-a-cross-sectional-study-from-china
#13
Qiyuan Qin, Binjie Huang, Wuteng Cao, Jie Zhou, Tenghui Ma, Zhiyang Zhou, Jianping Wang, Lei Wang
BACKGROUND: Neoadjuvant therapy plays a vital role in the treatment of locally advanced rectal cancer but impairs bowel function after restorative surgery. Optimal decision making requires adequate information of functional outcomes. OBJECTIVE: This study aimed to assess postoperative bowel function and to identify predictors for severe dysfunction. DESIGN: The study included a cross-sectional cohort and retrospective assessments of pelvic anatomic features...
July 2017: Diseases of the Colon and Rectum
https://www.readbyqxmd.com/read/28594645/novel-imaging-techniques-in-gynaecological-cancer
#14
Vincent Vandecaveye, Raphaëla Dresen, Frederik De Keyzer
PURPOSE OF REVIEW: To describe the added value of novel functional MRI techniques towards detection, staging, characterization, response monitoring and prognostication in gynaecological cancer. RECENT FINDINGS: Functional MRI including diffusion-weighted imaging (DWI)-MRI and dynamic contrast-enhanced (DCE)-MRI adds structural, hemodynamic and physiological information to anatomical MRI. In endometrial and cervical cancer, the addition of DWI-MRI and DCE-MRI improves tumour detection as well as staging of uterine and extra-uterine pelvic spread...
June 7, 2017: Current Opinion in Oncology
https://www.readbyqxmd.com/read/28584167/severe-cushing-s-syndrome-due-to-small-cell-prostate-carcinoma-a-case-and-review-of-literature
#15
Marianne Elston, Veronica Crawford, Michael Swarbrick, Michael Dray, Michelle Head, John V Conaglen
Cushings syndrome (CS) due to ectopic adrenocorticotrophic hormone (ACTH) is associated with a variety of tumours most of which arise in the thorax or abdomen. Prostate carcinoma is a rare but important cause of rapidly progressive CS. To report a case of severe CS due to ACTH production from prostate neuroendocrine carcinoma and summarise previous published cases. A 71 year old man presented with profound hypokalaemia, oedema and new onset hypertension. He reported two weeks of weight gain, muscle weakness, labile mood and insomnia...
June 5, 2017: Endocrine Connections
https://www.readbyqxmd.com/read/28583651/dual-energy-ct-can-detect-malignant-lymph-nodes-in-rectal-cancer
#16
I Al-Najami, M J Lahaye, R G H Beets-Tan, G Baatrup
BACKGROUND: There is a need for an accurate and operator independent method to assess the lymph node status to provide the most optimal personalized treatment for rectal cancer patients. This study evaluates whether Dual Energy Computed Tomography (DECT) could contribute to the preoperative lymph node assessment, and compared it to Magnetic Resonance Imaging (MRI). The objective of this prospective observational feasibility study was to determine the clinical value of the DECT for the detection of metastases in the pelvic lymph nodes of rectal cancer patients and compare the findings to MRI and histopathology...
May 2017: European Journal of Radiology
https://www.readbyqxmd.com/read/28578246/appendiceal-ganglioneuroma-in-neurofibromatosis-type-2
#17
Yonah B Esterson, Aryeh Y Esterson, Gregory M Grimaldi, John S Pellerito, Robin J Warshawsky
Here we report the case of a 30-year-old woman with a history of neurofibromatosis type 2 (NF2) who presented with an incidentally discovered pelvic mass on an ultrasound. The identity of the mass remained indeterminate following a CT and MRI, although appendiceal pathology was suspected. An elective laparoscopy and appendectomy were performed without complication and pathology on the specimen demonstrated an appendiceal ganglioneuroma. To our knowledge, there has been no prior documented case of an appendiceal ganglioneuroma in a patient with NF2...
May 27, 2017: Clinical Imaging
https://www.readbyqxmd.com/read/28551894/-advanced-abdominal-pregnancy
#18
REVIEW
David Rabinerson, Alexandra Berezowsky, Rinnat Gabbay-Benziv
Abdominal pregnancy is a very rare obstetric complication which is seriously hazardous to the mother as well as the fetus. It poses a diagnostic challenge to this day. Both maternal and fetal mortality rates in such cases are high, as well as the malformation rate among the affected fetus. The best diagnostic tools are ultrasound and MRI. The availability of these instruments, and especially the latter, is scarce in developing countries, hence the higher rate of this type of pregnancy in these regions. The higher incidence of abdominal pregnancy in developing countries is also associated with the greater prevalence of low socioeconomic status, pelvic infections and infertility - all are more prevalent in these countries...
February 2017: Harefuah
https://www.readbyqxmd.com/read/28550488/the-value-of-preoperative-positron-emission-tomography-computed-tomography-in-node-negative-endometrial-cancer-on-magnetic-resonance-imaging
#19
Jeong-Yeol Park, Jong Jin Lee, Hyuck Jae Choi, In Hye Song, Chang Ohk Sung, Hye Ok Kim, Sun-Young Chae, Young-Tak Kim, Joo-Hyun Nam
OBJECTIVE: The aim of this study was to investigate the value of [18F]fluorodeoxyglucose-positron emission tomography/computed tomography (FDG-PET/CT) in predicting lymph node status in node-negative endometrial cancer on preoperative magnetic resonance imaging (MRI). METHODS: Patients with endometrial cancer who underwent both preoperative MRI and FDG-PET/CT followed by hysterectomy and lymphadenectomy were initially included. We then enrolled patients with MRI-defined node-negative disease (lymph nodes <1 cm in the short-axis diameter, or no visible lymph node)...
May 26, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/28547317/pelvic-pain-in-the-middle-of-the-night-use-of-mri-for-evaluation-of-pediatric-female-pathology-in-the-emergent-setting
#20
Rama S Ayyala, Asef Khwaja, Sudha A Anupindi
Acute pelvic pain in pediatric female patients is a common cause of emergency room visits. Imaging plays a crucial role in the clinical evaluation of these patients. Pelvic pain in female children can result from various pathologies. Ultrasound is the preferred first line imaging study; however, magnetic resonance imaging (MRI) is a helpful adjunct after hours, as it is available 24/7 in many institutions. Advantages of MRI include superior delineation of anatomy and higher tissue contrast resolution, particularly of the small pelvic structures...
May 25, 2017: Emergency Radiology
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