Publications by authors named "Michael V Williams"

Purpose: Unprofessional behavior, which can include failure to engage, dishonest and/or disrespectful behavior, and poor self-awareness, can be demonstrated by medical trainees and practicing physicians. In the authors' experience, these types of behaviors are associated with exposure to adverse childhood experiences (ACEs). Given this overlap, the authors studied the percentage of ACEs among trainees and physicians referred for fitness-for-duty evaluations and patterns between the types of ACEs experienced and the reason for referral.

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Background: The literature on unprofessional behavior is reviewed. It is well accepted that unprofessional behavior, including a lack of civility and respect, can have a negative impact on patient safety and quality of care.

Methods: We used a focused review in the context of 20 years of experience of assessing, treating, and remediating unprofessional behavior.

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Introduction: The literature suggests that 6–12% of practicing physicians are dyscompetent. Dyscompetence can manifest as failures in direct provision of care, but also issues with interpersonal and communications skills and professionalism. There is a growing literature suggesting the value of neurocognitive screening in physicians with clinical competency issues.

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Objective: To determine whether population-specific normative data should be employed when screening neurocognitive functioning as part of physician fitness for duty evaluations. If so, to provide such norms based on the evidence currently available.

Methods: A comparison of published data from four sources was analyzed.

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Introduction: Continuous professional development relies on the link between performance and an educational process aimed at improving knowledge and skill. One of the most broadly used frameworks for assessing skills is Miller's Pyramid. This Pyramid has a series of levels of achievement beginning with knowledge (at the base) and ending with routine application in the clinical setting.

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Introduction: Assessment of efficacy of continuous professional development is an important part of continuing professional development programing as one of its goals is to increase the performance of the clinicians that serve the community. A frequently used and researched classification system for skill mastery is the Dreyfus and Dreyfus Model of Skill Acquisition. An alternative approach is the core competency framework that informs the assessment of residents and forms the foundation of the American Board of Medical Specialties Program for Maintenance of Certification.

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Objective: There is no consensus approach to covering skull base meningeal reflections-and cerebrospinal fluid (CSF) therein-of the posterior fossa cranial nerves (CNs VII-XII) when planning radiotherapy (RT) for medulloblastoma and ependymoma. We sought to determine whether MRI and specifically fast imaging employing steady-state acquisition (FIESTA) sequences can answer this anatomical question and guide RT planning.

Methods: 96 posterior fossa FIESTA sequences were reviewed.

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Background: Historically, the 5-year overall survival (OS) for metastatic medulloblastoma (MMB) was less than 40%. The strategy of post-operative induction chemotherapy (IC) followed by hyperfractionated accelerated radiotherapy (HART) and response directed high dose chemotherapy (HDC) was reported in a single center study to improve 5-year OS to 73%. We report outcomes of this strategy in UK.

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Introduction: The relationship among an individual's sense of self-efficacy, motivation to change, barriers to change, and the implementation of improvement programs has been reported. This research reports the relationship among self-efficacy, motivation to change, and the acquisition of knowledge in a continuing medical education (CME) activity.

Methods: The measure of individual sense of self-efficacy was a 4-item scale.

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Background: Modern treatment of Hodgkin's lymphoma (HL) has transformed its prognosis but causes late effects, including premature menopause. Cohort studies of premature menopause risks after treatment have been relatively small, and knowledge about these risks is limited.

Methods: Nonsurgical menopause risk was analyzed in 2127 women treated for HL in England and Wales at ages younger than 36 years from 1960 through 2004 and followed to 2003 through 2012.

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Introduction: The relationship between an individual's sense of self-efficacy, motivation to change, and the implementation of improvement programs has been reported. This research reports the relationship among self-efficacy, motivation to change, and intent to implement continuing medical education (CME) activity learnings.

Methods: The measure of individual sense of self-efficacy was a 4-item scale.

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Purpose: To investigate breast cancer risk after supradiaphragmatic radiotherapy administered to young women with Hodgkin's lymphoma (HL) in a much larger cohort than previously to provide data for patient follow-up and screening individualized according to treatment type, age, and time point during follow-up.

Patients And Methods: Breast cancer risk was assessed in 5,002 women in England and Wales treated for HL with supradiaphragmatic radiotherapy at age < 36 years from 1956 to 2003, who underwent follow-up with 97% completeness until December 31, 2008.

Results: Breast cancer or ductal carcinoma in situ developed in 373 patients, with a standardized incidence ratio (SIR) of 5.

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The aim of this study was to evaluate ultrasound (US)-guided core-needle testicular biopsy. Twelve biopsies were performed in eleven patients, under US guidance using disposable 16- or 18-gauge needles, between April 2003 and October 2006. Details were entered on a database and records reviewed 9 months to 3 years after biopsy.

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Objective: To examine the nodal (N+) vs extranodal (M+) staging in each of the International Germ Cell Consensus Classification Group (IGCCCG) subgroups in an audit of 437 patients treated in The Anglian Germ Cell Cancer Group, where chemotherapy was the primary management, as there is an increasingly earlier presentation of patients with less advanced disease who thus face potentially unnecessary treatment.

Patients And Methods: Clinicians from seven centres prospectively registered patients in a central database, and the follow-up was coordinated by one of the authors.

Results: Between 1982 and 2002, 436 patients (median follow-up 60 months) were registered; 63% of IGCCCG good risk (298), 42% of intermediate (62) and 8% poor risk (77) were stage II; 79% of N+M0 intermediate and poor risk cases (29) were alive, vs only 60% of M+ stage IV cases (92, P < 0.

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Background And Purpose: To assess inter-clinician variability amongst specialist paediatric radiation oncologists in delineating clinical target volumes for treating medulloblastoma as a quality assurance exercise prior to the introduction of the SIOP PNET 4 trial protocol of conformal radiotherapy to the posterior fossa and tumour bed.

Patients And Methods: Participants from 17 UK centres attended an educational meeting and then completed a clinical planning exercise to outline: (1) the whole posterior fossa and (2) the tumour bed. Quantitative analysis of the volumes, lengths, spatial positioning and axial planes for each individual was carried out and variation between individuals analysed.

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Background And Purpose: Cranio-spinal irradiation for medulloblastoma can impair fertility in girls. The literature indicates that an ovarian dose of 4 Gy causes permanent infertility in 30% of young females and that doses of <1.5 Gy over the whole treatment are desirable.

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