1,241 results match your criteria pelvic fields


Disseminated Armillifer armillatus Infestation: A Rare Cause of Acute Abdomen.

Cureus 2021 May 15;13(5):e15038. Epub 2021 May 15.

Cancer Imaging, University of Hull, Hull, GBR.

We report a case of an 80-year-old symptomatic female with severe visceral infestation who presented with complaints of progressively worsening colicky abdominal pain with associated constipation and mild abdominal distension. Imaging workup demonstrated unique radiological features of the parasite including multiple curvilinear opacities, measuring approximately 3 to 6 mm in length, scattered in the lung fields, abdomen, pelvis, and inguinal region. Histologic examination of inguinal biopsies revealed enlarged lymph nodes containing several parasitic pseudocysts. Read More

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The clinical impact of robot-assisted laparoscopic rectal cancer surgery associated with robot-assisted radical prostatectomy.

Asian J Endosc Surg 2021 Jun 19. Epub 2021 Jun 19.

Department of Gastroenterological Surgery, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan.

Introduction: Robot-assisted laparoscopic surgery has been performed in various fields, especially in the pelvic cavity. However, little is known about the utility of robot-assisted laparoscopic rectal cancer surgery associated with robot-assisted radical prostatectomy (RARP). We herein report the clinical impact of robot-assisted laparoscopic rectal cancer surgery associated with RARP. Read More

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History of whole pelvis plus para-aortic radiation is a risk factor associated with febrile neutropenia during chemotherapy for recurrent cervical cancer.

Int J Clin Oncol 2021 Jun 4. Epub 2021 Jun 4.

Department of Pharmacy, The University of Tokyo Hospital, Tokyo, Japan.

Background: Radiation-based therapy is widely used for advanced cervical cancer. Prior radiation-based therapy is a potential risk factor for febrile neutropenia (FN). However, the effect of irradiation field size on the incidence of FN during recurrent cervical cancer treatment is unclear. Read More

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Combining Ga-PSMA-PET/CT-Directed and Elective Radiation Therapy Improves Outcome in Oligorecurrent Prostate Cancer: A Retrospective Multicenter Study.

Front Oncol 2021 10;11:640467. Epub 2021 May 10.

Department of Radiation Oncology, Medical Center-University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany.

Background: In case of oligo-recurrent prostate cancer (PC) following prostatectomy, Ga-PSMA-PET/CT can be used to detect a specific site of recurrence and to initiate metastasis-directed radiation therapy (MDT). However, large heterogeneities exist concerning doses, treatment fields and radiation techniques, with some studies reporting focal radiotherapy (RT) to PSMA-PET/CT positive lesions only and other studies using elective RT strategies. We aimed to compare oncological outcomes and toxicity between PET/CT-directed RT (PDRT) and PDRT plus elective RT (eRT; i. Read More

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The Impact of Human Trafficking Training on Healthcare Professionals' Knowledge and Attitudes.

J Med Educ Curric Dev 2021 Jan-Dec;8:23821205211016523. Epub 2021 May 17.

Department of Pediatrics, Division of Adolescent and Young Adult Medicine, University of California San Diego, San Diego, CA, USA.

Objectives: The objective of this study was to evaluate a CME-accredited human trafficking didactic and discussion-based training for healthcare professionals by comparing participant knowledge and attitudes on human trafficking before and after attending the training.

Methods: A novel 18-item survey was developed to test the knowledge of and attitudes towards human trafficking. Participants of 17 standardized trainings delivered by 4 physician-trainers over a two-year period were invited to take a pre-test and 2 post-tests at 1-week and 6-months post training. Read More

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Artificial intelligence in ultrasound.

Eur J Radiol 2021 Jun 12;139:109717. Epub 2021 Apr 12.

Department of Medical Ultrasound, Shanghai Tenth People's Hospital, Ultrasound Research and Education Institute, Tongji University School of Medicine, Tongji University Cancer Center, Shanghai Engineering Research Center of Ultrasound Diagnosis and Treatment, National Clnical Research Center of Interventional Medicine, Shanghai, 200072, PR China. Electronic address:

Ultrasound (US), a flexible green imaging modality, is expanding globally as a first-line imaging technique in various clinical fields following with the continual emergence of advanced ultrasonic technologies and the well-established US-based digital health system. Actually, in US practice, qualified physicians should manually collect and visually evaluate images for the detection, identification and monitoring of diseases. The diagnostic performance is inevitably reduced due to the intrinsic property of high operator-dependence from US. Read More

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[Effects of artificial gravity on perimetry results].

Vestn Oftalmol 2021 ;137(2):26-33

Medical technical association «Stormoff» LLC, Krasnogorsk, Russia.

The active exploration of space requires minimizing negative effects induced by weightlessness (microgravity). Risk reduction can be achieved with the use of artificial gravity created by short-radius centrifuge (SRC). Short-radius centrifuge causes redistribution of body liquids towards the caudal portion of the body imitating a vertical human pose. Read More

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[Chinese expert consensus on the protection of pelvic organ function in the rectal cancer surgery].

Authors:

Zhonghua Wei Chang Wai Ke Za Zhi 2021 Apr;24(4):283-290

With the development of surgical techniques, adjuvant and neoadjuvant therapy, the survival of patients with rectal cancer after surgery has improved significantly, while the organ dysfunction remains an important factor affecting quality of life of patients. In order to improve the awareness of Chinese surgeons in organ function protection for the treatment of rectal cancer, standardize the evaluation method and surgical procedure, reduce the incidence of organ dysfunction, and ultimately improve the quality of life of patients, Colorectal and Anal Function Surgeons Committee of China Sexology Association, Organ Function Protection Committee of Chinese College of Colorectal Cancer, and Colon and Rectal Surgeons Committee of Chinese College of Surgeons jointly organized experts in related fields, in combination with domestic and foreign research and clinical practice, to discuss and formulate a Chinese expert consensus on the protection of pelvic organ function in the rectal cancer surgery, including the definition, risk factors, assessment methods, prevention and treatment of organ dysfunction after rectal cancer surgery. Read More

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Solitary fibrous tumor of the greater omentum: case report and review of literature.

Surg Case Rep 2021 Apr 15;7(1):94. Epub 2021 Apr 15.

Northern Ontario School of Medicine, Thunder Bay, ON, Canada.

Background: Solitary fibrous tumor (SFT) is a rare neoplasm of mesenchymal origin occurring most often in the visceral pleura, however, it has been described in almost every anatomic location of the human body. While most SFTs have a benign behavior, they can potentially be locally aggressive and demonstrate a malignant behavior.

Case Presentation: A 63 year-old male patient presented with lower abdominal pain and nausea and was noted on CT to have a large, heterogeneous lower abdominal mass with no evidence of metastatic disease. Read More

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Differential diagnosis of brain lesions in a metastatic endometrial carcinosarcoma patient.

Ecancermedicalscience 2021 9;15:1182. Epub 2021 Feb 9.

Division of Advanced Internal Medicine, Department of Medicine, National University Hospital, National University Health System, 1E Kent Ridge Road, Singapore 119228, Singapore.

The differential diagnosis of ring-enhancing brain lesions in a patient with metastatic malignancy may initially seem straightforward, and easily attributed to brain metastases. On rare occasions, the physician needs to avoid anchoring bias by re-evaluating the entire clinical context in which these ring-enhancing brain lesions are found. We report a case of cerebral toxoplasmosis mimicking brain metastases in a patient with metastatic cancer and without a prior history of human immunodeficiency virus. Read More

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February 2021

Unilateral or Bilateral Retroperitoneal Lymph Node Dissection in Nonseminoma Patients with Postchemotherapy Residual Tumour? Results from RETROP, a Population-based Mapping Study by the Swedish Norwegian Testicular Cancer Group.

Eur Urol Oncol 2021 Mar 6. Epub 2021 Mar 6.

Department of Clinical Science, Intervention and Technology, Division of Urology, Karolinska Institutet, Stockholm, Sweden; Department of Urology, Pelvic Cancer, Karolinska University Hospital, Stockholm, Sweden.

Background: The distribution of retroperitoneal lymph node metastases for patients with nonseminoma and a residual tumour of 10-49 mm in a population-based setting is unknown. This information is needed to justify selection of patients for a unilateral template resection.

Objective: To describe the location of retroperitoneal metastases and recurrences in patients with nonseminoma germ cell tumour (NSGCT) with a residual tumour of 10-49 mm. Read More

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Spatiotemporal mapping of sensory and motor innervation of the embryonic and postnatal mouse urinary bladder.

Dev Biol 2021 Aug 17;476:18-32. Epub 2021 Mar 17.

Department of Anatomy and Neuroscience, University of Melbourne, Vic, 3010, Australia. Electronic address:

The primary function of the urinary bladder is to store urine (continence) until a suitable time for voiding (micturition). These distinct processes are determined by the coordinated activation of sensory and motor components of the nervous system, which matures to enable voluntary control at the time of weaning. Our aim was to define the development and maturation of the nerve-organ interface of the mouse urinary bladder by mapping the organ and tissue distribution of major classes of autonomic (motor) and sensory axons. Read More

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A 3D cine-MRI acquisition technique and image analysis framework to quantify bowel motion demonstrated in gynecological cancer patients.

Med Phys 2021 Mar 19. Epub 2021 Mar 19.

Department of Radiation Oncology, Amsterdam University Medical Centers, University of Amsterdam, Meibergdreef 9, Amsterdam, 1105 AZ, The Netherlands.

Purpose: Magnetic resonance imaging (MRI) is increasingly used in radiation oncology for target delineation and radiotherapy treatment planning, for example, in patients with gynecological cancers. As a consequence of pelvic radiotherapy, a part of the bowel is irradiated, yielding risk of bowel toxicity. Existing dose-effect models predicting bowel toxicity are inconclusive and bowel motion might be an important confounding factor. Read More

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Benchmarking of Deformable Image Registration for Multiple Anatomic Sites Using Digital Data Sets With Ground-Truth Deformation Vector Fields.

Pract Radiat Oncol 2021 Mar 17. Epub 2021 Mar 17.

Department of Radiation Oncology, University of California Davis Medical Center, Sacramento, California; Department of Radiation Oncology, Mayo Clinic Arizona, Phoenix, Arizona. Electronic address:

Purpose: This study aimed to evaluate the accuracy of deformable image registration (DIR) algorithms using data sets with different levels of ground-truth deformation vector fields (DVFs) and to investigate the correlation between DVF errors and contour-based metrics.

Methods And Materials: Nine pairs of digital data sets were generated through contour-controlled deformations based on 3 anonymized patients' CTs (head and neck, thorax/abdomen, and pelvis) with low, medium, and high deformation intensity for each site using the ImSimQA software. Image pairs and their associated contours were imported to MIM-Maestro, Raystation, and Velocity systems, followed by DIR and contour propagation. Read More

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Out-of-field dose assessment for a 1.5 T MR-Linac with optically stimulated luminescence dosimeters.

Med Phys 2021 Mar 13. Epub 2021 Mar 13.

Department of Radiation Oncology Physics and Technology, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, P.R. China.

Purpose: To assess the out-of-field surface and internal dose of the 1.5 T MR-Linac compared to the conventional external beam linac using optically stimulated luminescence dosimeters (OSLDs), and evaluate the out-of-field dose calculation accuracy of the Monaco treatment planning system (TPS) of the 1.5T MR-Linac. Read More

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Primary vulvar leiomyosarcoma localized in the Bartholin's gland area: A case report and review.

Mol Clin Oncol 2021 Apr 9;14(4):69. Epub 2021 Feb 9.

Department of Obstetrics and Gynecology, 'G. Chatzikosta' General Hospital, Ioannina 45001, Epirus, Greece.

Vulvar sarcomas located in the Bartholin's gland area are extremely uncommon mesenchymal vulvar tumors. These neoplasms can be mistaken as Bartholin' gland benign lesions such as cysts or abscesses, leading to a delay in the diagnosis of underlying malignancy. Currently, only a few cases of these aggressive cancers have been reported in the literature. Read More

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A Multi-Institutional Analysis of Adjuvant Chemotherapy and Radiation Sequence in Women With Stage IIIC Endometrial Cancer.

Int J Radiat Oncol Biol Phys 2021 Mar 5. Epub 2021 Mar 5.

Department of Radiation Oncology, Brigham and Women's Hospital and Dana-Farber Cancer Institute, Harvard Medical School, Boston, Massachusetts.

Purpose: Our purpose was to evaluate the effect of sequence and type of adjuvant therapy for patients with stage IIIC endometrial carcinoma (EC) on outcomes.

Methods And Materials: In a multi-institutional retrospective cohort study, patients with stage IIIC EC who had surgical staging and received both adjuvant chemotherapy and radiation therapy (RT) were included. Adjuvant treatment regimens were classified as adjuvant chemotherapy followed by sequential RT (upfront chemo), which was predominant sequence; RT with concurrent chemotherapy followed by chemotherapy (concurrent); systemic chemotherapy before and after RT (sandwich); adjuvant RT followed by chemotherapy (upfront RT); or chemotherapy concurrent with vaginal cuff brachytherapy alone (chemo-brachy). Read More

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Novel Application of Photogrammetry to Quantify Fascicle Orientations of Female Cadaveric Pelvic Floor Muscles.

Ann Biomed Eng 2021 Feb 26. Epub 2021 Feb 26.

Department of Obstetrics, Gynecology & Reproductive Sciences, Division of Female Medicine and Reconstructive Surgery, University of California San Diego, 9500 Gilman Drive, La Jolla, CA, 92093-0863, USA.

Although critical for understanding and simulating pelvic floor muscle function and pathophysiology, the fascicle arrangements of the coccygeus and levator ani remain mostly undetermined. We performed close-range photogrammetry on cadaveric pelvic floor muscles to robustly quantify surface fascicle orientations. The pelvic floor muscles of 5 female cadavers were exposed through anatomic dissections, removed en bloc, and photographed from every required angle. Read More

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February 2021

Predictors of Locoregional Recurrence and Delineation of Adjuvant Radiation Therapy Fields for Patients With Upper Tract Urothelial Carcinoma Receiving Nephroureterectomy.

Pract Radiat Oncol 2021 Feb 23. Epub 2021 Feb 23.

Department of Radiation Oncology, Mayo Clinic, Rochester, Minnesota. Electronic address:

Purpose: To identify factors predictive of locoregional recurrence (LRR) in upper tract urothelial carcinoma (UTUC) treated with nephroureterectomy and to propose adjuvant radiation therapy (ART) fields.

Methods And Materials: Clinical and pathologic variables for patients receiving nephroureterectomy for UTUC between 1995 and 2009 were analyzed for associations with outcomes. Sites of LRR from all patients with available imaging (39) were contoured on computed tomography image sets of patients with representative anatomy, and ART fields were proposed based on these distributions. Read More

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February 2021

Interobserver and intraobserver agreement for Letournel acetabular fracture classification system using 3-dimensional printed solid models.

World J Orthop 2021 Feb 18;12(2):82-93. Epub 2021 Feb 18.

Division of Orthopedic Surgery, Rambam Health Care Campus, Haifa 3525408, Israel.

Background: Acetabular fractures pose diagnostic and surgical challenges. They are classified using the Judet-Letournel system, which is based solely on X-ray. However, computed tomography (CT) imaging is now more widely utilized in diagnosing these injuries. Read More

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February 2021

Fabrication and Characterization of the Core-Shell Structure of Poly(3-Hydroxybutyrate-4-Hydroxybutyrate) Nanofiber Scaffolds.

Biomed Res Int 2021 28;2021:8868431. Epub 2021 Jan 28.

Department of Colorectal Surgery, The Sixth Affiliated Hospital of Sun Yat-sen University, Guangzhou 510655, China.

Tissue engineering scaffolds with nanofibrous structures provide positive support for cell proliferation and differentiation in biomedical fields. These scaffolds are widely used for defective tissue repair and drug delivery. However, the degradation performance and mechanical properties of scaffolds are often unsatisfactory. Read More

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Recurrent MEIS1-NCOA2/1 fusions in a subset of low-grade spindle cell sarcomas frequently involving the genitourinary and gynecologic tracts.

Mod Pathol 2021 Jun 11;34(6):1203-1212. Epub 2021 Feb 11.

Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, NY, USA.

Sarcomas with MEIS1-NCOA2 fusions have been so far reported in 2 cases each of primitive renal sarcomas and intraosseous pelvic rhabdomyosarcomas. Their histologic spectrum, anatomic distribution, and clinical behavior remain poorly defined. In this study, we report 6 additional spindle cell sarcomas with MEIS1-NCOA2 or NCOA1 fusions that fall into the same disease spectrum with the previously reported renal sarcomas. Read More

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Sex-Based Language Differences in Female Pelvic Medicine and Reconstructive Surgery Fellowship Recommendation Letters.

Female Pelvic Med Reconstr Surg 2021 Jan 28. Epub 2021 Jan 28.

From the Albert Einstein College of Medicine, Bronx Department of OB/GYN, Maimonides Medical Center, Brooklyn Department of Epidemiology and Population Health, Albert Einstein College of Medicine Department of OB/GYN, Montefiore Medical Center Department of Urology, Montefiore Medical Center, Bronx, NY.

Introduction: Letters of recommendation (LORs) are a significant component of residency and fellowship applications. Applicant sex may play a role in the language used in letters, which could hinder progress in academic fields, particularly for women. Although differences in language based on applicant sex have been identified in other fields, no prior studies have evaluated LORs for female pelvic medicine and reconstructive surgery (FPMRS) fellowships. Read More

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January 2021

Image-guided core needle biopsy for musculoskeletal lesions.

J Orthop Sci 2021 Jan 30. Epub 2021 Jan 30.

Department of Musculoskeletal Oncology, National Cancer Center Hospital, 5-1-1 Tsukiji, Chuo-ku, Tokyo 104-0045, Japan; Rare Cancer Center, National Cancer Center Hospital, Tokyo, Japan.

Background: Image-guided percutaneous core needle biopsy (CNB) has been an important diagnostic procedure for musculoskeletal lesions. Here we surveyed the variety of diagnostic strategies available and assessed the clinical usefulness and limitations of image-guided CNB carried out by a multidisciplinary team comprising specialists in various fields.

Methods: We conducted a retrospective study of 284 image-guided CNBs among 1899 consecutive biopsy procedures carried out at our institution for musculoskeletal tumorous conditions, focusing on their effectiveness including diagnostic accuracy and utility for classification of specimens according to malignant potential and histological subtype as well as their correlation with biopsy routes. Read More

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January 2021

Salvage Radiotherapy Management Decision in Post-prostatectomy Patients with Recurrent Prostate Cancer Based on F-Fluciclovine PET/CT Guidance.

J Nucl Med 2021 Jan 30. Epub 2021 Jan 30.

Emory University, United States.

This study evaluated the impact of F-fluciclovine positron emission tomography/computed tomography (PET/CT) on salvage radiotherapy management decisions in patients with recurrent prostate cancer (PCa) post-prostatectomy. Patients with detectable prostate-specific antigen (PSA) post-prostatectomy were randomized to undergo either conventional imaging (CI) only (Arm A) or CI plus F-fluciclovine PET/CT (Arm B) prior to radiotherapy. In Arm B, positivity rates on CI and F-fluciclovine PET/CT for detection of recurrent PCa were determined. Read More

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January 2021

Emergency Hysterectomy in a Hemodynamically Unstable Patient: A Case of Uterine Leiomyosarcoma.

Cureus 2020 Nov 20;12(11):e11586. Epub 2020 Nov 20.

Obstetrics and Gynecology, General Hospital of Nikaia "Agios Panteleimon", Nikaia, Piraeus, GRC.

Abnormal uterine bleeding (AUB) is a common gynecological complaint in reproductive aged women. In this case report, we present a case of emergency total hysterectomy performed in a hemodynamically unstable patient due to AUB. Based on pelvic ultrasound (US) and CT scan along with the prevalence of uterine smooth muscle tumors, leiomyomatous uterus was the most likely preoperative diagnosis. Read More

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November 2020

Evaluation of the Feasibility of a Telemedical Examination of the Hip and Pelvis - Early Lessons from the COVID-19 Pandemic.

Z Orthop Unfall 2021 02 16;159(1):39-46. Epub 2020 Dec 16.

Clinic and Polyclinic for Orthopaedics and Trauma Surgery, Bonn University Clinics, Bonn, Germany.

Introduction: Due to the current COVID-19 pandemic, the German Health Ministry has issued restrictions applying to the field of orthopaedics and trauma surgery. Besides postponement of elective surgeries, outpatient consultations have been drastically reduced. Parallel to these developments, an increase in telemedical consultations has reflected efforts to provide sufficient patient care. Read More

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February 2021

Patterns of Lymph Node Failure in Patients With Recurrent Prostate Cancer Postradical Prostatectomy and Implications for Salvage Therapies.

Adv Radiat Oncol 2020 Nov-Dec;5(6):1126-1140. Epub 2020 Aug 31.

Leeds Cancer Centre, Leeds Teaching Hospitals NHS Trust, Leeds, United Kingdom.

Purpose: There is increasing use of radical prostatectomy to treat patients with high-risk prostate cancer. This has contributed toward a pathologic stage migration, and a greater number of patients are subsequently being diagnosed with biochemical failure. There is increasing use of advanced imaging techniques in the setting of biochemical failure, including positron emission tomography-computed tomography (PET-CT). Read More

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Circulating Cell-Free DNA Correlates with Body Integral Dose and Radiation Modality in Prostate Cancer.

Int J Part Ther 2020 15;7(2):21-30. Epub 2020 Sep 15.

Department of Radiation Oncology, University of Florida College of Medicine, Gainesville and Jacksonville, FL, USA.

Purpose: The RadTox assay measures circulating cell-free DNA released in response to radiotherapy (RT)-induced tissue damage. The primary objectives for this clinical trial were to determine whether cell-free DNA numbers measured by the RadTox assay are (1) correlated with body integral dose, (2) lower with proton RT compared with photon RT, and (3) higher with larger prostate cancer RT fields.

Patients And Methods: Patients planned to receive proton or photon RT for nonmetastatic prostate cancer in the setting of an intact prostate or postprostatectomy were eligible for the trial. Read More

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September 2020

Mitotically Active Cellular Fibroma of the Ovary Recurring After the Longest Interval of Time (16 yr): A Challenging Case With Systematic Literature Review.

Int J Gynecol Pathol 2020 Nov 24. Epub 2020 Nov 24.

Pathology Unit, "Maggiore della Carità" Hospital (R.O., A.R., R.B., G.D.D.) Department of Health Science, School of Medicine, University of Eastern Piedmont "Amedeo Avogadro" (R.O., R.B., G.D.D.), Novara Pathology Unit, Azienda Unità Sanitaria Locale-IRCCS, Reggio Emilia (A.P.), Italy.

Cellular fibromas represent ~10% of ovarian fibromas. Mitotically active cellular fibromas show mild nuclear atypia but ≥4 mitoses/10 high-power fields: the clinical course is usually uneventful but literature review is lacking. A 34-yr-old woman underwent left oophorectomy for a 9-cm ovarian mitotically active cellular fibroma at another hospital. Read More

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November 2020