Hiding in Plain Sight: Resident Remediation in Obstetrics and Gynecology

OBJECTIVE

Residents who are in need of remediation are prevalent across residency programs and often tend to be deficient in multiple competencies that the American Council for Graduate Medical Education (ACGME) has established. The purpose of this study was to determine the prevalence of residents requiring remediation, understand the scope of the challenges in resident remediation, and assess what resources were used to aid in remediation in obstetrics and gynecology programs.

DESIGN

An anonymous survey was emailed to obstetrics and gynecology program directors. Survey responses were summarized through descriptive statistics.

SETTING

Obstetrics and gynecology residency program directors were invited to respond to this survey.

PARTICIPANTS

Thirty-nine respondents out of 241 residency training programs responded (16%).

RESULTS

The majority (84.6%) of programs had placed a resident on remediation. The most common area requiring remediation was professionalism (75.8%), followed by medical knowledge (72.7%), interpersonal communication (60.6%), laparoscopic technical skills (54.6%), and inpatient care (42.4%). Residents who required remediation were identified in a number of ways, most commonly through feedback from the Clinical Competency Committee (87.8%) and faculty feedback (84.8%). Program directors utilized a variety of resources, most commonly prior remediation plans from the program, to create remediation plans. Sixty percent of programs had residents who failed remediation.

CONCLUSION

This study highlighted the prevalence of resident remediation in obstetrics and gynecology training programs and the importance of faculty in identifying residents in need of remediation, evaluating residents, and mentoring residents.

Education in Female Sexual Function and Dysfunction among American Urogynecologic Society Members: An Unmet Need

OBJECTIVES

Sexual function is an important component of women's health that has not been traditionally emphasized during medical training, suggesting that further education is needed to provide comprehensive patient care. The purpose of this study was to describe education and interest in female sexual function among urogynecology providers.

METHODS

Conducted in 2020, this was a cross-sectional survey of American Urogynecologic Society members assessing educational and clinical experience with female sexual function.

RESULTS

Of 642 members who opened the survey, 123 (19%) completed it. Most of the respondents were fellowship trained (70%), and 74% reported ≥10% of their patients had sexual function questions or concerns unrelated to prolapse or incontinence. Most (71%) of the members strongly agreed/agreed that they were comfortable evaluating and managing these patients. This was more common in providers who saw more patients (≥25%) with sexual function concerns (83%) compared with those who saw <25% (65%; P = 0.04). Most of the respondents reported receiving ≤1 lecture on normal sexual function (82%) or sexual dysfunction (85%) during medical training. Most (67%) would expand their practice if they received additional education. The most requested topics were disorders of desire (72%), orgasm (71%), and arousal (67%). The most common reasons for not expanding practice even with additional education were female sexual function not being of significant interest (30%) and time and interruption of practice flow (28%).

CONCLUSIONS

Most of the respondents felt comfortable caring for patients with sexual function concerns, but reported that they would expand their practice with additional education. The majority reported having received ≤1 female sexual function/dysfunction lecture during their medical training. This highlights a critical need and desire for more female sexual function education among the urogynecologic provider population.

Cross-Sectional Study of Resident-Reported Surgical Experience in Female Pelvic Medicine and Reconstructive Surgery

IMPORTANCE

Comprehensive surgical training is an essential component of obstetrics and gynecology residency, yet subspecialty experience may be declining.

OBJECTIVE

The objective of this study was to describe trends in reported obstetrics and gynecology resident experience in female pelvic medicine and reconstructive surgery (FPMRS).

STUDY DESIGN

This study was a retrospective analysis of national case log reports from the Accreditation Council for Graduate Medical Education (ACGME) for obstetrics and gynecology residents.

RESULTS

From 2013 through 2019, ACGME collected data from a median of 241 programs (range, 239-242) with a median of 1,259 residents (range, 1,213-1,286) reporting annually. There was a 26% decrease in resident-reported experience with incontinence and pelvic floor procedures from 74 ± 38 in 2013 to 55 ± 34 in 2019 ( P < 0.001). Cystoscopy increased by 19% from 43 ± 25 in 2013 to 51 ± 29 in 2019 ( P < 0.001). From 2014 to 2019, vaginal hysterectomy cases decreased by 12% ( P < 0.001).

CONCLUSIONS

There was a significant decrease in resident-reported FPMRS surgical experience from 2013 to 2019, while cystoscopy numbers increased. After laparoscopic and vaginal hysterectomies were unbundled in 2013, resident vaginal hysterectomy cases decreased from 2014 to 2019. Given that the ACGME Incontinence and Pelvic Floor designation comprises a wide range of procedures, future investigation is needed to elucidate the gaps in FPMRS-specific surgical training during residency and its implication in comprehensive resident surgical training.

Pelvic Exam Laws in the United States: A Systematic Review

Laws regulating patient care are an essential component of protecting patients and doctors alike. No studies have previously examined what laws exist regarding pelvic examinations in the United States (US). This study systematically reviews and compares regulation and legislation of pelvic examinations in the U.S. and provides a comprehensive resource to educate clinicians, patients, and lawmakers. Each of the fifty States in the U.S. was included. The primary outcome was existence of any pelvic or rectal exam laws. Data was obtained for the type of examination defined within the law, exceptions to the law, to whom the law applied to, the type of consent required, and to whom the consent applied to. Laws were identified from each of the individual state legislative websites. All sections of each law pertaining to pelvic examination were reviewed and organized by state. Descriptive statistics were performed for each of the variables, including frequencies of each amongst the fifty states. State regulation for pelvic examinations varied from no law or regulation to laws pertaining to pelvic, rectal, prostate, and breast examination performed in any context. As of November 22, 2022, there are twenty states (40%) with pelvic examination laws applying to anesthetized or unconscious patients. Thirteen additional states (26%) have proposed pelvic exam laws. Seventeen states (34%) do not have any laws regarding pelvic examinations. Regulation of pelvic examinations has become an increasingly important issue over the past few years in response to growing concerns of patient autonomy and the ethical issues raised by such sensitive examinations. While pelvic examination laws that balance protection for patient autonomy and the needs of caregivers and educators exist in much of the U.S., more work needs to continue in consultation with physicians and health care providers to ensure that all states have reasonable laws protecting the autonomy of patients while also maintaining quality of care.

Improving the Obstetrics and Gynecology Learning Environment Through Faculty Development

INTRODUCTION

The learning environment is shaped by both formal and hidden curricula. Faculty play a critical role in the learning environment but may not be prepared to address the hidden curriculum. This workshop teaches faculty how to manage the hidden curriculum's challenges.

METHODS

Medical students' end-of-clerkship evaluations revealed low ratings in the domains of feedback, respectful interactions, professional language use, and empathy. We created a virtual 60-minute case-based faculty development workshop to highlight the role of faculty in improving the learning environment. A preworkshop survey was emailed to participants. At the workshop, following a brief introduction, participants were divided into groups to discuss the cases and develop strategies to improve the learning environment. A postworkshop survey was used to assess the workshop.

RESULTS

Sixty faculty members attended the seminar. Fifty-seven percent completed a preworkshop survey, and 33% completed the postworkshop survey. After the workshop, more faculty felt well prepared to engage students and residents. The majority of participants (85%) reported being more aware of issues around the learning environment. Most (85%) felt that their interactions with medical students would change in a positive way after the workshop. Ninety percent agreed the workshop was relevant to their needs, 70% agreed they learned a new skill in the workshop, and 80% committed to creating an inclusive learning environment after the workshop.

DISCUSSION

This workshop was well received by participants and was associated with an improvement in learning environment ratings. Faculty development seminars are an efficient tool to improve the learning environment.

An Inside Look: Qualitative Study of Underrepresented in Medicine Recruitment Strategies used by OB-GYN Program Directors

INTRODUCTION

Since 2019, the Accreditation Council for Graduate Medical Education has mandated that all residency programs develop initiatives to recruit underrepresented in medicine (URiM) applicants to increase diversity among physicians. The literature has described a variety of recruitment strategies, but the underlying viewpoints of leaders most responsible for these efforts have not been characterized. We aimed to describe the experience and perspective of program directors around URiM recruitment.

METHODS

We conducted a qualitative analysis of 14 semi-structured interviews with OB-GYN program directors recruited electronically about their perspectives on URiM recruitment between August 2018 and October 2019. We coded audio transcripts from these interviews in an independent and iterative fashion. Using inductive content analysis, we derived several themes.

RESULTS

Fourteen OB-GYN program directors participated. Themes arising from data included an acknowledgement of the contextual nature of diversity, which included not just race but also other forms of self-identity; the visual nature of recruitment efforts; the lack of consistent support for programs despite shared goals in workforce diversity; the imperative of upending traditional approaches to recruitment (e.g., undue emphasis on Step 1 scores); and finally, the prerequisites of a critical mass of URiM residents, faculty diversity and supportive culture for successful URiM recruitment.

DISCUSSION

Our findings shed light on the motivations and obstacles that program directors face in URiM recruitment, underscoring a need for more broad-based initiatives to ensure that society is served by a healthcare workforce reflecting the diversity of our patients.

Striving for Diversity: National Survey of OB-GYN Program Directors Reporting Residency Recruitment Strategies for Underrepresented Minorities

OBJECTIVE

To characterize strategies among OB-GYN residency programs to recruit underrepresented minorities in medicine, the relative effectiveness of these approaches, and the associated barriers to recruitment.

DESIGN

We conducted a survey to solicit strategies from OB-GYN PDs at 253 United States (U.S.) accredited programs for recruiting underrepresented minorities in medicine (URiM) applicants. We also sought their relative effectiveness and barriers to recruitment.

SETTING

A national survey of U.S. accredited residency programs in OB-GYN in 2017-2018.

RESULTS

A total of 56 (22% response rate) PDs responded. Programs reported either "some" or "significant emphasis" on URiM recruitment (77%), with only 32% employing specific recruitment strategies. Fifteen (83%) reported using race and/or ethnicity data in the U.S.'s centralized electronic residency application service, 10 (56%) recruiting applicants from URiM association events, 9 (50%) meeting with potential URiMs prior to official interviews, and 5 (28%) offering a second visit. Efforts perceived to be most effective were second visits (39%), identifying race/ethnicity in electronic residency application service (33%), URiM recruitment events (28%), and individual phone calls (22%). Barriers included the lack of applicant pool (32%), lack of department diversity (29%) and lack of institutional diversity (30%).

CONCLUSIONS

This systematic collation of URiM recruitment practices and perceptions of their effectiveness represents a toolbox of options for residency programs to consider in diversifying their workforce.

Discrimination, Microaggressions, and Perceptions of Institutional Response in an Academic Obstetrics and Gynecology Department

Introduction

Discrimination in the workplace remains a barrier to advancing diversity and inclusion in the physician workforce. This study sought to examine experiences of discrimination, microaggressions, and perceptions of the institution’s response in an academic obstetrics and gynecology department.

Method

All obstetrics and gynecology faculty, fellows, and residents were invited to complete an anonymous, Institutional Review Board-approved cross-sectional survey from February through June 2019. The survey incorporated questions from multiple validated tools on discrimination, microaggressions, perceptions of the institution’s response, and opportunities for comments. Data are presented as the frequency with percent and were analyzed using Stata (StataCorp, College Station, USA); two of the authors reviewed and deductively coded the qualitative data.

Results

The response rate was 58% (87/151), with 30% of the respondents identifying as trainees and 75% identifying as female. Thirty respondents (35%) identified as non-Caucasian. Fifty-four respondents (62%) had ever experienced discrimination and 63 (72%) reported ever experiencing microaggressions at work; of those, 14 (22%) experienced microaggressions several times per week. Of the 69 respondents (79%) who experienced microaggressions and/or discrimination, 49 (71%) felt their experiences were due to gender, and 26 (38%) felt that they were due to race/ancestry. Only 41 respondents (59%) felt that the institution was fair to all employees, and 17 (25%) did not believe diversity was managed effectively.

Conclusion

Most physicians in the department experienced microaggressions or discrimination, with gender or race/ancestry as common inciting factors. A small but notable portion of respondents would prefer the institution to manage diversity differently. These findings merit further investigation about how to address discrimination in academic medicine.

The hallmarks of ovarian cancer: Focus on angiogenesis and micro-environment and new models for their characterisation

Cancers develop by sustained growth, migration and invasion properties of tumour cells, supported by complex interactions with stromal cells within the tumour micro-environment. This review is focused on the latest discoveries regarding the highlighted role of angiogenesis and tumour micro-environment in ovarian cancer. This cancer milieu encompasses non-cancerous cells present in the tumour or nearby, including vessel-forming cells, fibroblasts and immune cells amongst others that work in a cooperative way with cancer cells, impacting tumour behaviour. Angiogenesis, migration and invasion, and more recently immune evasion, are cancer hallmarks clearly dependent on these supporting cells. Moreover, these stromal cells are more genetically stable than tumour cells and thus represent an attractive therapeutic target. A better understanding of the stromal cells function, and their complex interplay with cancer cells, will open additional areas to target, as the tumour-host interface.

Bevacizumab in recurrent ovarian cancer: could it be particularly effective in patients with clear cell carcinoma?

PURPOSE

Treatment of recurrent ovarian carcinoma is a challenge, particularly for the clear cell (CCC) subtype. However, there is a preclinical rationale that these patients could achieve a benefit from antiangiogenic therapy. To assess this hypothesis, we used the growth modulation index (GMI), which represents an intrapatient comparison of two successive progression-free survival (PFS).

METHODS

We conducted a retrospective real-world study performed on 34 patients with recurrent ovarian cancer, treated with bevacizumab-containing regimens from January 2009 to December 2017. The primary endpoint was GMI. An established cut-off > 1.33 was defined as a sign of drug activity.

RESULTS

73.5% of patients had high-grade serous ovarian carcinoma (HGSOC), and 17.7% had CCC; 70.6% of patients received carboplatin/gemcitabine/bevacizumab, and 29.4% received weekly paclitaxel/bevacizumab. According to histological subtype, the overall response rate and median PFS were 52% and 14 months for HGSOC and 83.3% and 20 months for CCC, respectively. The overall population median GMI was 0.99; it was 0.95 and 2.36 for HGSOC and CCC, respectively. CCC subtype was significantly correlated with GMI > 1.33 (odds ratio 41.67; 95% confidence interval 3.6-486.94; p = .03).

CONCLUSION

Adding bevacizumab to chemotherapy in recurrent CCC is associated with a remarkable benefit in this cohort. The efficacy of antiangiogenic drugs in CCC warrants further prospective evaluation.

Meeting Milestones: Results of a Quality-Improvement Curriculum to Achieve Cost-Conscious Care

There is a lack of residency education in cost-conscious care. We implemented a costing and quality improvement (QI) curriculum to Obstetrics and Gynaecology trainees using “Time-Driven Activity-Based Costing (TDABC),” and assessed its educational impact.

The curriculum included didactic and practical portions. Pre-and post-knowledge surveys were obtained from 24 residents on self-perceived knowledge of key QI principles. Self-perceived knowledge, before and after the curriculum, was scored on a Likert scale from 0 to 5 points (0 is the least knowledge and 5 is the most knowledge). The mean scores reported an increase in knowledge of clinical guideline development (pre = 1.19 vs. post = 3.07, p = 0.0052); confidence in participating in QI work (pre = 1.75 vs. post = 3.42 points, p < 0.0001); and knowledge in communicating QI principles (pre = 1.89, post = 3.17, p < 0.0003). Our educational programme uses the TDABC method and the residents’ clinical experience effectively to teach residents cost-conscious care.

Teaching Patient Handoffs to Medical Students in Obstetrics and Gynecology: Simulation Curriculum and Assessment Tool

INTRODUCTION

Patient handoffs, the communications required for the safe transfer of patient care, are known to be a common source of medical errors. Simulation exercises are effective techniques for teaching the procedures and patient interaction skills involved in a handoff. We developed a teaching tool that allows students to individually interact with a simulated patient, develop a treatment plan, and practice a handoff to another provider.

METHODS

The curriculum is a flexible instructional tool to teach patient handoffs in the context of a simulated obstetric emergency for learners at the clerkship through first-year obstetrics and gynecology resident levels. The curriculum secondarily teaches management of first-trimester bleeding with acute blood loss and can be adapted to allow advanced learners to practice obtaining informed consent. To evaluate this simulation for educational effectiveness, we developed a faculty observation assessment tool.

RESULTS

The simulation assessments for history taking, fund of knowledge, and interpersonal skills were predictive of subsequent clerkship clinical grades. Eighty percent of students agreed the exercise was realistic, 95% agreed it was relevant to the clinical curriculum, 90% agreed the simulation taught handoff skills, and 73% agreed the simulation increased confidence in handoff skills. Students uniformly found the curriculum to be relevant, realistic, and effective at teaching handoff skills.

DISCUSSION

Use of this curriculum has the potential to improve students' communication skills, handoff performance, and confidence during an obstetrics and gynecology clerkship. The assessment tool may allow early identification of students in need of improvement in communication skills.

TLR9 re-expression in cancer cells extends the S-phase and stabilizes p16(INK4a) protein expression

Toll-like receptor 9 (TLR9) recognizes bacterial, viral or cell damage-associated DNA, which initiates innate immune responses. We have previously shown that TLR9 expression is downregulated in several viral induced cancers including HPV16-induced cervical neoplasia. Findings supported that downregulation of TLR9 expression is involved in loss of anti-viral innate immunity allowing an efficient viral replication. Here we investigated the role of TLR9 in altering the growth of transformed epithelial cells. Re-introducing TLR9 under the control of an exogenous promoter in cervical or head and neck cancer patient-derived cells reduced cell proliferation, colony formation and prevented independent growth of cells under soft agar. Neither TLR3, 7, nor the TLR adapter protein MyD88 expression had any effect on cell proliferation, indicating that TLR9 has a unique role in controlling cell growth. The reduction of cell growth was not due to apoptosis or necrosis, yet we observed that cells expressing TLR9 were slower in entering the S-phase of the cell cycle. Microarray-based gene expression profiling analysis highlighted a strong interferon (IFN) signature in TLR9-expressing head and neck cancer cells, with an increase in IFN-type I and IL-29 expression (IFN-type III), yet neither IFN-type I nor IL-29 production was responsible for the block in cell growth. We observed that the protein half-life of p16(INK4a) was increased in TLR9-expressing cells. Taken together, these data show for the first time that TLR9 affects the cell cycle by regulating p16(INK4a) post-translational modifications and highlights the role of TLR9 in the events that lead to carcinogenesis.

FGF receptor genes and breast cancer susceptibility: results from the Breast Cancer Association Consortium

BACKGROUND

Breast cancer is one of the most common malignancies in women. Genome-wide association studies have identified FGFR2 as a breast cancer susceptibility gene. Common variation in other fibroblast growth factor (FGF) receptors might also modify risk. We tested this hypothesis by studying genotyped single-nucleotide polymorphisms (SNPs) and imputed SNPs in FGFR1, FGFR3, FGFR4 and FGFRL1 in the Breast Cancer Association Consortium.

METHODS

Data were combined from 49 studies, including 53 835 cases and 50 156 controls, of which 89 050 (46 450 cases and 42 600 controls) were of European ancestry, 12 893 (6269 cases and 6624 controls) of Asian and 2048 (1116 cases and 932 controls) of African ancestry. Associations with risk of breast cancer, overall and by disease sub-type, were assessed using unconditional logistic regression.

RESULTS

Little evidence of association with breast cancer risk was observed for SNPs in the FGF receptor genes. The strongest evidence in European women was for rs743682 in FGFR3; the estimated per-allele odds ratio was 1.05 (95% confidence interval=1.02-1.09, P=0.0020), which is substantially lower than that observed for SNPs in FGFR2.

CONCLUSION

Our results suggest that common variants in the other FGF receptors are not associated with risk of breast cancer to the degree observed for FGFR2.

Molecular characterization of ovarian cancer by gene-expression profiling

Ovarian cancer is the second most common gynecologic malignancy, and represents the fifth most common cause of cancer death in women in the United States. The age at diagnosis, extent of disease, success of primary surgery, and the histopathological features of the tumor are important prognostic markers. Epithelial ovarian carcinomas are classified into four major categories: serous, mucinous, endometrioid, and clear cell. Each subtypes of ovarian carcinoma are known to have different clinical characteristics and biological behaviour and response to chemotherapy. Molecular studies have supported for the notion that the different histological types of ovarian cancer likely represent histopathologically, genetically, and biologically distinct diseases. Microarray-based profiling technologies have provided an opportunity to simultaneously examine the relationship between thousands of genes and clinical phenotypes. In this review, we will summarise the current gene-expression profiles that address the classification of ovarian cancer into molecular subtypes with different outcomes.

Spectrum of germline RB1 gene mutations in Spanish retinoblastoma patients: Phenotypic and molecular epidemiological implications

Mutation analysis of retinoblastoma is considered important for genetic counseling purposes, as well as for understanding the molecular mechanisms leading to tumors with different degrees of penetrance or expressivity. In the course of an analysis of 43 hereditary retinoblastoma Spanish patients and kindred, using direct PCR sequencing, we have observed 29 mutations; most of them (62%) have not been reported previously. Of the mutations, 69% correspond to nonsense mutations (mainly CpG transitions) and frameshifts, with the expected outcome of a truncated Rb protein that lacks the functional pocket domains and tail. The remainder corresponds to splicing mutations, most of them (62%) targeted to invariant nucleotides, with the predicted consequence of out of frame exon skipping. Two of the splicing mutations in our study were found associated to families with a low-penetrance phenotype. Additionally, most of the mutations affecting splice junctions corresponded to retinoblastoma cases of either sporadic or hereditary nature with delayed onset (32 months on average). In contrast, most of the nonsense and frameshift mutations are associated with an early age at diagnosis (8.7 months on average). These differences are discussed in the context of the relationships between genotype and low expressivity phenotype. The differences in the spectrum of RB1 mutations found in this and other European surveys are also discussed in the context of alternate DNA methylation and mismatch repair phenotypes.

A microsatellite fluorescent method for linkage analysis in familial retinoblastoma and deletion detection at the RB1 locus in retinoblastoma and osteosarcoma

Linkage analysis at the retinoblastoma locus (RB1) is essential for identifying individuals at risk and to offer adequate genetic counseling in familial retinoblastoma. It can also be used to detect large deletions involving RB1, which accounts for 15% of the genetic alterations in hereditary retinoblastoma. These studies are usually carried out with lengthy Southern blot analyses of relatively uninformative restriction fragment length polymorphisms. The authors report an alternative, reliable protocol for genotyping the RB1 locus using two pairs of highly informative intragenic and flanking microsatellites linked closely to the RB1 gene, and analysis of the fluorescent-labeled polymerase chain reaction products with automatic sizing technology. This methodology has successfully identified high risk carriers in five of the five pedigrees of familial retinoblastoma studied. In addition, gross deletions affecting the RB1 gene were identified in two of 12 sporadic bilateral retinoblastomas, and loss of heterozygosity at the RB1 locus has been detected in one of three osteosarcomas using the same experimental protocol. The described protocol is simpler and faster than conventional Southern blot methodologies and can identify a larger number of informative cases.

Search for mutations of the hRAD54 gene in sporadic meningiomas with deletion at 1p32

The hRAD54 gene is related to a family of genes involved in DNA recombination and repair and encodes a protein with DNA helicase activity. hRAD54 has been mapped to 1p32, a region frequently involved in deletions in a variety of tumor types, including atypical and anaplastic meningiomas. To determine whether alterations of hRAD54 are a common event in meningeal tumors, by means of polymerase chain reaction-single-stranded conformation analysis we examined 29 tumor samples characterized by 1p deletions for hRAD54 mutations. Although 18 tumors displayed allelic loss at the gene region (1p32) as determined by microsatellite marker analysis, the sole coding-sequence alteration detected corresponded to a T-->C transition, with no amino-acid change. The genotype distribution was 10.34% TT, 44.8% TC, and 44.8% CC, whereas in the normal controls it was 3.77% TT, 13.2% TC, and 83.01% CC, and most meningiomas with 1 p32 deletion retained allele C. Another polymorphism due to a T-->C change was evidenced at nt 3008, in the 3' untranslated region. This change was evidenced in all cases we sequenced. These results appear to exclude the involvement of the hRAD54 gene in the pathogenesis of the nontypical meningiomas, although a detrimental effect of the hRAD54 polymorphisms cannot be ruled out.

Allelic status of 1p, 14q, and 22q and NF2 gene mutations in sporadic schwannomas

Schwannomas are common benign tumours of schwann cell origin, frequently found in patients with neurofibromatosis type 2 (NF2). Inactivation of the NF2 tumour suppressor gene appears to be a molecular event responsible for the development of up to 60% of cases, but no data are available on other superimposed secondary or alternative molecular abnormalities in those schwannomas lacking NF2 gene inactivation. We analysed 23 sporadic schwannomas for mutations in the NF2 gene and for the allelic status at 1p, 14q and 22q, as alterations of these genomic regions appear to be related to tumour progression in meningiomas, another NF2-associated neoplasm. Nine samples displayed allelic losses for markers on chromosome 22, and deletions at 1p were detected in two. No case showed losses for 14q. Three tumours displayed NF2 gene mutations, at exons 2, 7 and 12. Our results confirm that inactivation of the NF2 gene is a primary event in schwannoma development, and provide data suggesting that allelic loss at 1p may contribute to the pathogenesis of a small subgroup of this histological tumour type.

Six novel mutations in the NF2 tumor suppressor gene

Six novel mutations were identified in the NF2 tumor suppressor gene in a panel of meningiomas and neurinomas. Screening was performed using a combination of single-strand conformation polymorphism and heteroduplex analyses on polymerase chain reaction-amplified DNA from tumors and matched peripheral blood lymphocytes. Mutations involved exons 2, 7, 11 and 12, and corresponded to three frameshift, one nonsense, one missense and one polymorphism.

Report of the Northern California Conference for Guidelines on Aid-in-Dying: definitions, differences, convergences, conclusions

In September 1996, the Stanford University Center for Biomedical Ethics convened a conference entitled "Comprehensive Care of the Terminally Ill: The Northern California Consensus Development Conference for Guidelines on Aid-in-Dying." The regionally based, multidisciplinary conference gathered people from a variety of disciplines and diverse perspectives on physician aid-in-dying. This report documents important points of convergence, disagreement, and uncertainty that emerged from the conference and provides commentary on crucial issues: the definition of terminal illness, ensuring adequate palliative care, psychiatric challenges, coping with family pressures, the doctor-patient relationship, the managed care context, the role of ethics committees, and institutional challenges. Should physician aid-in-dying become a legal practice in California, the report will provide guidance to health care organizations, health professionals, and public policy officials engaged in local or state guideline or policy development.