Radiomic Application for Head and Neck Squamocellular Tumor: Systematic Review

Abstract

Radiomics represents the convergence of artificial intelligence and radiological data analysis, primarily applied in the diagnosis and treatment of cancer. In the head and neck region, squamous cell carcinoma is the most prevalent type of tumor. Recent radiomics research has revealed that specific bio-imaging characteristics correlate with various molecular features of Head and Neck Squamous Cell Carcinoma (HNSCC), particularly Human Papillomavirus (HPV). These tumors typically present a unique phenotype, often affecting younger patients, and show a favorable response to radiation therapy. This study provides a systematic review of the literature, summarizing the application of radiomics in the head and neck region. It offers a comprehensive analysis of radiomics-based studies on HNSCC, evaluating its potential for tumor evaluation, risk stratification, and outcome prediction in head and neck cancer treatment.

Drawing as a Way of Knowing: How a Mapping Model Assists Preoperative Evaluation of Patients with Thyroid Carcinoma

Background: Effective pre-surgical planning is crucial for achieving successful outcomes in endocrine surgery: it is essential to provide patients with a personalized plan to minimize operative and postoperative risks. Methods: Preoperative lymph node (LN) mapping is a structured high-resolution ultrasonography examination performed in the presence of two endocrinologists and the operating surgeon before intervention to produce a reliable "anatomical guide". Our aim was to propose a preoperative complete model that is non-invasive, avoids overdiagnosis of thyroid microcarcinomas, and reduces medical expenses. Results: The use of 'preoperative echography mapping' has been shown to be successful, particularly in patients with suspected or confirmed neoplastic malignancy. Regarding prognosis, positive outcomes have been observed both post-surgery and in terms of recurrence rates. We collected data on parameters such as biological sex, age, BMI, and results from cytologic tests performed with needle aspiration, and examined whether these parameters predict tumor malignancy or aggressiveness, calculated using a multivariate analysis (MVA). Conclusions: A standard multidisciplinary approach for evaluating neck lymph nodes pre-operation has proven to be an improved diagnostic and preoperative tool.

Peer assisted learning: a meta-ethnographic synthesis of qualitative studies and recommendations for cardiovascular training, practice, and research

INTRODUCTION

Peer assisted learning (PAL) is a common method to complement more traditional teaching. Several systematic reviews and meta-analyses described the most used ways of implementation and showed that it is effective in fostering learning. A synthesis of qualitative data is missing, to highlight the perceived value by the students and to drive a successful implementation.

EVIDENCE ACQUISITION

The search was performed in Pubmed, Scopus and ERIC databases, with a combination of the search strings. The quality of the retrieved articles was assessed through the Critical Appraisal Skills Checklist. The analysis was performed according to the meta-ethnographic method. Fifteen articles were considered for the analysis, saturation was reached after 12 articles.

EVIDENCE SYNTHESIS

Three main themes emerged from the analysis: PAL is effective when implemented in a safe environment, PAL is a driver of development of students' abilities and identity, and the "dark side" of PAL. Nine sub-themes emerged as components of the themes. The final line of argument highlighted the ambivalence of PAL, as an expression of the ambivalence of the still developing professional identity of students.

CONCLUSIONS

This meta-ethnographic synthesis summarizes the elements of success and the threats of PAL, a method that is particularly suitable for the cardiovascular domain. It must be implemented according to some precautions, such as organization and protected time, tutor selection, training and support, a clear integration and endorsement in the framework of the medical curriculum.

The challenge of clinical reasoning in chronic multimorbidity: time and interactions in the Health Issues Network model

The increasing prevalence of multimorbidity requires new theoretical models and educational approaches to develop physicians' ability to manage multimorbidity patients. The Health Issues Network (HIN) is an educational approach based on a graphical depiction of the evolutions over time of the concurrent health issues of a patient and of their interactions. From a theoretical point of view, the HIN approach is rooted in Prigogine's vision of the "becoming" of the events and in the concept of knowledge organization, intended as the process of storing and structuring of information in a learner's mind. The HIN approach allows to design clinical exercises to foster learners' ability to detect evolutionary paths and interactions among health issues. Recent findings of neuroscience support the expectation that interpreting, completing, and creating diagrams depicting complex clinical cases improves the "sense of time", as a fundamental competence in the management of multimorbidity. The application of the HIN approach is expected to decrease the risk of errors in the management of multimorbidity patients. The approach is still under validation, both for undergraduate students and for the continuous professional development of physicians.

Graphic Novels and Comics in Undergraduate and Graduate Medical Students Education: A Scoping Review

There is an increasing use of graphic novels and comics (GnCs) in medical education, especially-but not only-to provide students with a vicarious learning experience in some areas of clinical medicine (palliative care, difficult communication, and rare diseases). This scoping review aimed to answer questions about how GnCs are used, the theories underlying their use, and the learning outcomes. Twenty-nine articles were selected from bibliographic databases and analyzed. A thematic analysis revealed four many themes: learning outcomes, students' reactions, theories and methods, and use of GnCs as vicarious learning. GnCs can support the achievement of cognitive outcomes, as well as soft skills and professionalism. The reactions were engagement and amusement, but drawing comics was also perceived as a protected space to express concerns. GnCs proved to be a possible way to provide a vicarious experience for learning. We found two classes of theories on the use of GnCs: psychological theories based on the dual concurrent coding of text and images and semiotics theories on the interpretation of signs. All the studies but two were single arm and observational, quantitative, qualitative, or mixed. These results suggest that further high-quality research on the use of GnC in medical training is worthwhile.

Elements and Determinants of Professional Identity During the Pandemic: A Hermeneutic Qualitative Study

Phenomenon: The construct of professionalism in undergraduate medical education is a core outcome that is included in the wider concept of professional identity formation. The former is grounded in the more general concept of identity, intended as an internalized set of role expectations. Some have proposed frameworks based on psychological or sociological approaches, but empirical research is still scarce and often limited to the exploration of the role of specific learning activities. The pandemic imposed adaptations that produced an artificial setting for a social experiment, suitable to observe how the deprivation of the social component of a student's life, such as in presence teaching and practical training, unveiled the elements and determinants of the developing identity of medical students. Approach: This research was the extension of a previous phenomenological study about medical students' lived experience of distance learning during the lockdown phase in Italy. We adopted a hermeneutic approach to furtherly deepen the analysis of the phenomenon at stake, in dialogue with the relevant literature. Eight 6th year medical students underwent an in-depth interview, themes were inductively generated and used to identify elements and determinants of the developing identities. Findings: Four themes developed, synthetized in the overarching theme "From crawling to standing on your feet and walking toward an uncertain future". The themes were: "social places and practices that make me feel like a student and a medical student", "toward self-regulation", "an emotional journey", "threats to the identity". The elements of the perceived identity as a medical student were autonomy and learning self-regulation, professional knowledge, competence, and sense of belonging to a community. The determinant factors which influenced the identity as a medical student were living environment, learning spaces and architectures, the social networks, the attendance of the healthcare facilities, the relationship with teachers, the social acknowledgement as a medical student, and as a doctor. Insights: It was possible to identify the generation of both constitutive elements of identity and determinants influencing identity development and this distinction is an added value of the research. According Gilles Deleuze's concept of "empty square" (the sudden lack of an object one used to have at hand: sociality in this case), this research highlighted the ambivalent nature of identity. Individualization and socialization are the "uneven sides" of that same paradoxical object which is identity.

Laterocervical lymph node metastases from suspected thyroidal primary site that turned out to be metastases of lung cancer: A case report

Incidental sonographic discovery of thyroid nodules is an increasingly common event in clinical practice. Less frequently, patients with cytological benign thyroid nodules have suspicious cervical lymph nodes detected by ultrasound examination or by cytological exam. Here, we discuss an intriguing case of cervical lymph node metastasis with a probable thyroid origin in a 65-year-old asymptomatic male smoker. He underwent thyroidectomy and unilateral cervical lymphadenectomy. Despite a negative chest X-ray, the postoperative histological examination revealed that the lymph node metastasis was actually from a lung carcinoma. Metastatic lesions in cervical lymph nodes from non-thyroidal origins must be excluded when evaluating lesions in the region, especially when thyroid nodules subjected to fine needle aspiration biopsy yield negative results, or lymph node cytological evaluations are inconsistent with thyroid cytological findings and sonographic features. Thyroid and lung adenocarcinomas share some epithelial and mesenchymal markers. Thyroglobulin helps differentiate primary thyroid tumors from lung ones, but in cases of poor differentiation, distinguishing metastatic lesions in the thyroid gland can be challenging. Lung cancer (LC) is the leading cause of cancer mortality worldwide, and survival rates have only marginally improved over the last several decades. The ongoing clinical challenge is detecting LC at earlier stages of the disease.

The Size of a Thyroid Nodule with ACR TI-RADS Does Not Provide a Better Prediction of the Nature of the Nodule: A Single-Center Retrospective Real-Life Observational Study

We investigated if thyroid nodule size has a predictive value of malignancy on a par with composition, echogenicity, shape, margin, and echogenic foci, and what would be the consequence of observing the rule of the American College of Radiology (ACR) to perform a fine-needle aspiration biopsy (FNAB). We conducted a retrospective real-life observational study on 86 patients who underwent surgery after a standardized diagnostic protocol. We divided the TR3, TR4, and TR5 classes into sub-classes according to the size threshold indicating FNAB (a: up to the threshold for no FNAB; b: over the threshold for FNAB suggested). We computed sensitivity, specificity, and positive (PPV) and negative predictive value (NPV) for the different sub-classes and Youden's index (Y) for the different possible cutoffs. Each sub-class showed the following PPV (0.67, 0.68, 0.70, 0.78, 0.72), NPV (0.56, 0.54, 0.51, 0.52, 0.59), and Y (0.20, 0.20, 0.22, 0.31, 0.30). In this real-life series, we did not find a significant difference in prediction of malignancy between the sub-categories according to the size threshold. All nodules have a pre-evaluation likelihood of being malignant, and the impact and utility of size thresholds may be less clear than suggested by the ACR TIRADS guidelines in patients undergoing standardized thyroid work up.

The Complexity of a Clinical History

The paper describes a new metrics for measuring the structural complexity of clinical history (modelled by a HINe model) in order to compare different clinical histories and then assign it to the right types of learners.

Body mass index affects kidney transplant outcomes: A cohort study over 5 years using a steroid sparing protocol

BACKGROUND

There is controversy regarding the suitability of high body mass index (BMI) candidates accessing the transplant waitlist.

PATIENTS AND METHODS

Observational study on consecutive kidney transplant recipients undergoing surgery between January 2014 and March 2016 at our center. Patients were stratified according to BMI. Survival outcomes and graft function were analyzed to investigate the effect of donor's and recipient's demographic characteristics.

RESULTS

396 kidney transplant recipients: 260 males, mean age 51.8 ± 15.9 years, followed up for a mean time of 5.86 ± 2.29 years. Mean BMI 26.2 ± 5.1. BMI class 1 (20 ≤ BMI ≤ 24.9) n=133, class 2 (25 ≤ BMI ≤ 29.9) n= 155, class 3 (30 ≤ BMI ≤34.9) n=53, class 4 (BMI ≥ 35) n=21, class V (BMI ≤ 19.9) n=34. Patient survival was not significantly different according to the recipient's BMI class (p=0.476); graft survival was affected (p=0.031), as well as graft function up to 2 years post-transplant and at 4 years follow up (p=0.016). At logistic regression the factors independently associated with graft loss were only donor's age (p=0.05) and BMI class of the recipient (p=0.002).

CONCLUSIONS

Obesity did not impact on patient's survival but affected graft function and graft loss.

Medical education in Italy: Challenges and opportunities

Italy is a country of 60 million citizens with a high life expectancy, an increasing prevalence of chronic multi-morbidity and a public healthcare system. There are 61 medical schools and more than one thousand postgraduate programs for 50 different specialisations. In this article, we describe the Italian medical educational system and its most recent evolution towards a process of internationalization, alongside pedagogical and cultural changes. The main challenges are in the process of students' selection, which is still only based on the assessment of basic knowledge, and in the reform of the post-graduate education, which lacks an official, formal definition of the learning outcomes and the aligned methods of assessment. The opportunities come from the increasing awareness of the importance of faculty development programs. The pandemic itself acted as a catalyst of innovation, pushing toward more student-centered teaching-learning activities. Finally, an increase in international collaborations in medical education research could be effective to foster the development of medical education in the country.

A SWOT analysis of Italian medical curricular adaptations to the COVID-19 pandemic: A nationwide survey of medical school leaders

BACKGROUND

There is a growing literature on how medical education adapts to the COVID-19 pandemic. However, there is a need to examine the facilitators and barriers of these adaptations. This study explores the strengths, weaknesses, opportunities, and threats (SWOT) of how Italian medical schools adapted their curricula to the COVID -19 pandemic.

METHODS

The authors conducted an online survey of directors of medical curricula in Italy. Free-text responses to open-ended questions about curricular adaptations and reflections on these adaptations were analysed using qualitative thematic analysis.

RESULTS

Twenty out of 60 Italian medical school directors completed the survey. Strengths identified were rapid responses and a spirit of cooperation. Weaknesses included dependency on clinical facilities, teachers' limited skills to use technology, and lack of mental health support for staff. Opportunities highlighted were clear government rules, new ways of teaching and a renewed focus on underrepresented topics. Threats expressed included impaired relationships, difficulties related to online assessment, lack of IT access, and legal and insurance issues.

CONCLUSIONS

This study, in documenting the curricular adaptations of Italian medical schools during an active global pandemic, and recording the perspectives of medical education leaders, offers important lessons for the future.

Low versus high level of physical resemblance in simulation for the acquisition of basic surgical skill: a meta-analysis

Background

Many studies explored the use of simulation in basic surgical education, with a variety of devices, contexts and outcomes, with sometimes contradictory results.

Objectives

The objectives of this meta-analysis were to focus the effect that the level of physical resemblance in a simulation has on the development of basic surgical skill in undergraduate medical students and to provide a foundation for the design and implementation of a simulation, with respect to its effectiveness and alignment with the learning outcomes.

Study selection

We searched PubMed and Scopus database for comparative randomised studies between simulations with a different level of resemblance. The result was synthesised as the standardised mean difference, under a random effect model.

Findings

We selected 12 out of 2091 retrieved studies, reporting on 373 undergraduate students (mean of subjects 15.54±6.89). The outcomes were the performance of simple skills and the time to complete a task. Two studies reported a scoring system; seven studies reported time for a task; and three studies reported both. The total number of measures included in the meta-analysis was 456 for score and 504 for time. The pooled effect size did not show any significant advantage in a simulation of a high level of physical resemblance over a lower level, both for the scoring system (−0.19, 95% CI −0.44 to 0.06) and for time (−0.14, 95% CI −0.54 to 0.27).

Conclusion

Simulations with a low level of physical resemblance showed the same effect as the simulation using a higher level of resemblance on the development of basic surgical skills in undergraduate students.

Understanding Petri Nets in Health Sciences Education: The Health Issue Network Perspective

Scarce literature exists as to the use of Petri Nets (PN) to model the dynamic evolution of health issues in a deterministic way. Starting from the HIN (Health Issue Network) approach, the paper aims at describing the suitability of PN in supporting the Case-Based Learning method for improving an educational simulation environment in which students can manage realistic clinical data related to the evolution of a patient's health state over time.

A Phenomenological Study of Italian Students' Responses to Professional Dilemmas: A Cross-Cultural Comparison

Phenomenon: Medical professionalism is a complex construct, based in social and cultural influences, yet little research has been done to show how culture influences the behaviors and attitudes of medical students. We presented Italian students with the same professional dilemmas used in a previous Canadian and Taiwanese cross-cultural study to look for similarities and differences and detect elements of Italian culture that influenced how students responded to dilemmas. The aim was to provide medical educators with some insights into students' behavioral strategies and feelings when faced with a professional dilemma. Approach: Using Giorgi's method, we performed a phenomenological analysis of 15 interviews of Italian medical students who responded to standardized video scenarios representing professional dilemmas. These videos were used in Canada and Taiwan and were translated into Italian. All students were from the same degree course, at Year 6, and were recruited on a voluntary basis at the beginning of the Internal Medicine course. Interview transcripts were anonymized before analysis. Findings: Scenarios were perceived as realistic and easy to envision in Italy. Four themes emerged: establishing priority among principles, using tactics to escape the dilemma, defending the self, and defending the relationships. When compared with previous studies, we noted that Italian students did not mention the principles of reporting inappropriate behavior, seeking excellence, or following senior trainees' advice. Insights: This is the first cross-cultural study of professionalism that involves a Mediterranean country and the observed differences could be interpreted as expressions of Italian cultural traits: distrust toward authority and a cooperative rather than competitive attitude. These findings have practical implications for educators to design and run curricula of professionalism with culturally appropriate topics. They highlight the need for more cross-cultural research.

Standards to Support Development of Terminological Systems for Healthcare Telematics

The Technical Committee on “Medical Informatics” of the European Committee for Standardization (CEN{TC251) is supporting developers ofterminological systems in healthcare by a series of standards. The dream of “universal” coding system was abandoned in favor of a coherent family of terminologies, diversified according to tasks; two ideas were introduced: (1) the “categorical structure”, i.e. a model of semantic categories and their relations within a subject field and (2) the “cross-thesaurus”, i.e. a system of descriptors to build a systematic representation (called here “dissection") for each terminological phrase, coherent across diverse terminologies on a given subject field.

The goal is to assure coexistence and interoperability (and reciprocal support for development and maintenance) to three generations of systems: (1) traditional paper-based systems (first generation); (2) compositional systems built according to a categorical structure and a cross-thesaurus (second generation) and (3) formal models (third generation).

Various scenarios are presented, on the exploitation of computer-based terminological systems. The idea of “operational meaning” of terminological phrases within administrative and organizational contexts and the idea of “task-oriented details” are also introduced, to justify and exploit design constraints on terminological systems.

Toward a General Model for the Description of Multimedia Clinical Data

The patient folder integrates information originating from heterogeneous sources. For this reason computerized tools for patient data management should exploit the advantages of multimediality and offer an integrated environment for data presentation, and image and biosignal visualization. Object-oriented modeling is the best approach for designing systems for multimedia patient folder management.

We propose an object-oriented model, able to define the entities constituting the patient folder and their logical organization. This model has sufficient flexibility to adapt to the most varied clinical environments. It allows the physician to structure the information needed for his/her patient folder without employing a programming language.

Commentaries on “Informatics and Medicine: From Molecules to Populations”

Objective: To discuss interdisciplinary research and education in the context of informatics and medicine by commenting on the paper of Kuhn et al. “Informatics and Medicine: From Molecules to Populations”.

Method: Inviting an international group of experts in biomedical and health informatics and related disciplines to comment on this paper.

Results and Conclusions: The commentaries include a wide range of reasoned arguments and original position statements which, while strongly endorsing the educational needs identified by Kuhn et al., also point out fundamental challenges that are very specific to the unusual combination of scientific, technological, personal and social problems characterizing biomedical informatics. They point to the ultimate objectives of managing difficult human health problems, which are unlikely to yield to technological solutions alone. The psychological, societal, and environmental components of health and disease are emphasized by several of the commentators, setting the stage for further debate and constructive suggestions.

HIN - Health Issue Network as Means to Improve Case-Based Learning in Health Sciences Education

HIN (Health Issue Network) is introduced as a peculiar approach to enhance Case-Based Learning (CBL) methodology for health sciences education, as well as innovative tool to query problem-oriented EHRs. In this paper HIN's Petri Nets-based formalism is described, and a first example of its twofold (lower and upper) representation level is proposed.

Case-Based Learning: A Formal Approach to Generate Health Case Studies from Electronic Healthcare Records

There is an increasing social pressure to train medical students with a level of competency sufficient to face clinical practice already at the end of their curriculum. The case-based learning (CBL) is an efficient teaching method to prepare students for clinical practice through the use of real or realistic clinical cases. In this regard, the Electronic Healthcare Record (EHR) could be a good source of real patient stories that can be transformed into educative cases. In this paper a formal approach to generate Health Case Studies from EHR is defined.

Frequency and severity of globus pharyngeus symptoms in patients undergoing thyroidectomy: a pre-post short term cross-sectional study

Background

Globus pharyngeus is a sensation of a lump or foreign body in the throat, sometimes associated with thyroid diseases and surgery. Previous studies investigated this condition with contradictory results, mainly because not standardized instruments of measure were used. The aim of this study was to evaluate the prevalence and severity of globus pattern symptoms in a population of patients three months after a thyroidectomy, and the reduction or increase of pre-existing symptoms or the onset of new symptoms.

Methods

Ninety-five patients (65 women, 30 men, mean age 56.03 ± 12.45) were assessed for globus pattern symptoms before and three months after thyroid surgery (72 patients: benign goiter, 23 patients: papillary cancer). The Glasgow-Edinburgh Throat Scale (GETS) was translated into Italian and used as a validated instrument of measure of the severity of globus pattern symptoms.

Results

The Italian version of the GETS was reliable (Cronbach alpha = 0.85) and valid. Normative data were used to classify patients into 4 groups of severity. A significant decrease of the mean GETS score was observed at the postoperative assessment (13.02 ± 11.84 vs 8.00 ± 11.26; p < 0.01), but beside symptomatic patients who improved we could observe also two other significant groups of patients: asymptomatic patients who developed symptoms and symptomatic patients who remained symptomatic.

Conclusions

The significant decrease of the mean GETS postoperative score was mainly due to the improvement of strongly symptomatic patients. Two other significant outcomes exist and further studies are needed to understand their pathophysiological mechanism.

[From contents to competency. Educational strategies for the physicians of the 3rd millennium]

Italy, as well as many other countries, is facing the problem to adapt medical education to the challenges of a rapidly changing, globalised world. One main concern is the mismatch of competencies to patient and population needs, which calls for an orientation to a competency-based medical education. Competency is defined as the ability to use knowledge, skills and attitudes in a professional context. Addressing to competency the educational design implies to overcome the boundaries of disciplines to consider mainly the final outcome. A number of international initiatives have defined systems of competency, such as TUNING Medicine or CanMeds, which can form a sound base for the development of a national system. An overall picture of professional competencies allows also to design a continuum between pre- and post-graduate training, up to the continuous professional development. A second essential issue is the adoption of the point of view of complexity in considering the educational system, as well as to focus on reflective thinking as a meta-competency. The National Conference of the Directors of Medical Curricula is running a set of initiatives to support this process of change.

[New frontiers of education in healthcare]

Competency is the ability to use a structured set of knowledge, skills, and attitudes in a specific professional context, or in professional training. Over the past 10 years there has been an acceleration of the trend towards a competency-based design of the education of healthcare professionals, rather than just defining learning objectives or relying on the content of disciplinary programs. The choice for a competency-based curriculum is not only the result of a changed pedagogical vision, but also an answer to the request of accountability toward society about how are the professionals trained and also to allow comparability between universities and nations. In recent years, many international initiatives have defined competency models for medicine and more specifically for public health. This article summarizes these initiatives, putting them in the context of the evolving Italian legislation.

Evaluation of the acceptability of Peer Physical Examination (PPE) in medical and osteopathic students: a cross sectional survey

BACKGROUND

Peer physical examination (PPE) is a method of training in medical and osteopathic curricula. The aim of this study was to compare the acceptability of PPE in two classes of medical and osteopathic students after their first experience, to obtain comparative information useful for an understanding of the different professional approaches. The leading hypothesis was that osteopathic students enter the curriculum with a more positive attitude to bodily contact.As a secondary aim, this study validated the new version of a questionnaire to assess the acceptability of PPE.

METHODS

A new version of a previously validated questionnaire and an instrument from the literature (the Examining Fellow Student [EFS] questionnaire) were used for a cross-sectional survey in a class of 129 3rd year medical students and in two parallel classes of 1st year osteopathic students (total of 112 students).

RESULTS

The mean score of the new questionnaire was significantly higher for the osteopathic students than for the medical students (53.4 ± 6.3 vs. 43.4 ± 8.9; p < 0.01). The only independent variables that were significantly predictive of the score in a linear regression analysis were gender and the condition of medical or osteopathic student. The EFS mean score also showed a significant difference between the osteopathic and medical students (30.76 ± 2.9 vs. 27.85 ± 4.3; p < 0.01).Factor analysis of the new questionnaire identified three factors (appropriateness and usefulness, sexual implications and passive role) accounting for 62.8% of the variance. Criterion validity was assessed by correlation with the EFS (Pearson's r coefficient = 0.61). Reliability was expressed in terms of Cronbach's alpha coefficient, which equals 0.86.

CONCLUSIONS

These quantitative results are consistent with previous qualitative research on the process of embodiment both in medicine and osteopathy. The new questionnaire proved to be valid and reliable. The objective assessment of the acceptability of PPE is a way to determine differences in students' attitudes towards contact with the body and can be used for counselling students regarding career choice. This study can also highlight differences between students from different professions and serve as a basis for reflection for improved mutual interprofessional understanding and future interprofessional education.

[The concept of medical professionalism of medical students: basic assessment for a cohort study]

AIMS

Education for professionalism is an international challenge. This paper reports the results of the assessment performed on two cohorts of first year students of Medicine, relating to attitudes toward three basic components of the construct of professionalism such as sensitivity to sociocultural differences, empathetic behaviors and professional skills in relationship to self, colleagues, patients and society. These components are analyzed with respect to their importance in the process of healthcare.

MATERIALS AND METHODS

The assessment of the three components was performed through the validated Italian versions of three instruments: the Socio-Cultural Attitudes in Medicine Inventory, the Jefferson Scale of Empathy and the Nijmegen Professionalism Scale, administered for two consecutive years to all the students of the C curriculum in Medicine of Sapienza University of Rome (Italy).

RESULTS

On a total of 196 students, the responses showed no significant differences related to gender or type of high school for the three examined components. A trend is present toward a familiar influence when one of the parents is a doctor and an idea of professionalism more technical-oriented than addressed to communication and empathy.

CONCLUSIONS

The follow up study of these cohorts of students will provide important information for further educational design.

HMGB1 induces the overexpression of miR-222 and miR-221 and increases growth and motility in papillary thyroid cancer cells

Experimental and epidemiological studies have revealed that chronic inflammation contributes to cancer progression and even predisposes to cellular transformation. Inflammatory infiltrates in papillary thyroid cancer include lymphocytes, macrophages and cytokines. High-mobility group box 1 protein (HMGB1) is a late inflammatory cytokine that signals danger to the immune system through the receptor for advanced glycation end-products (RAGE) and Toll-like receptor. The activation of the above receptors results in the secretion of growth, chemotactic and angiogenic factors that contribute to chronic inflammation. In this study, we suggest that apart from the activation of signal transduction pathways by the activation of RAGE, the indirect inhibition of cell cycle regulators [such as phosphatase and tensin homolog (PTEN)] may also cause an increase in cell growth and motility. MicroRNAs (miRNAs) have increasingly been implicated in regulating the malignant progression of cancer. MiR-221 and miR-222 have been found to be deregulated in human papillary thyroid carcinomas. They are involved in cell proliferation through the inhibition of the cell cycle regulator, p27kip1, in human papillary carcinomas. In this study, we show that HMGB1 increases the expression of miR-221 and miR-222 in primary cultures of excised papillary lesions and in an established papillary cancer cell line (BC PAP). The overexpression of oncogenic miR-221 and miR-222 caused by HMGB1 is associated with an increase in malignancy scores, namely cell growth and motility.

Factors influencing the length of the incision and the operating time for total thyroidectomy

BACKGROUND

The incision used for thyroid surgery has become shorter over time, from the classical 10 cm long Kocher incision to the shortest 15 mm access achieved with Minimally Invasive Video-Assisted Thyroidectomy. This rather large interval encompasses many different possible technical choices, even if we just consider open surgery.The aim of the study was to assess the correlation between incision length and operation duration with a set of biometric and clinical factors and establish a rationale for the decision on the length of incision in open surgery.

METHODS

Ninety-seven consecutive patients scheduled for total thyroidectomy were prospectively evaluated. All operations were performed by the same team and the surgeon decided the length of the incision according to his personal judgement. Patients who had previously undergone neck surgery were excluded.

RESULTS

The length of the incision was strongly correlated with gender, thyroid volume, neck circumference and clinical diagnosis and weakly correlated with the body mass index. Operation duration was only weakly correlated with gender and neck circumference. Multiple linear regression revealed that the set of factors assessed explained almost 60 % of the variance in incision length but only 20 % of the variance in operation duration. When patients were classified according to the distribution of their thyroid volume, cases within one standard deviation of the mean did not show a significant difference in terms of operation duration with incisions of various lengths.

CONCLUSIONS

Although thyroid volume was a major factor in driving the decision with respect to the length of the incision, our study shows that it had only minor effect on the duration of the operation. Many more open thyroidectomies could therefore be safely performed with shorter incisions, especially in women. Duration of the operation is probably more closely linked to the inherent technical difficulty of each case.

Developing professionalism in Italian medical students: an educational framework

Developing and assessing professionalism in medical students is an international challenge. This paper, based on preliminary research at the Faculty of Medicine and Dentistry of the University Sapienza of Rome, Italy, briefly summarizes the main issues and experiences in developing professionalism among Italian undergraduate medical students. It concludes with a proposed framework suited to the Italian medical curricula. In our educational system, professionalism is defined as the context of medical expertise, the combination of rules, conditions, and meanings in which the act of health care occurs, as well as the ability of critical reflection on technical expertise. It is a multidimensional construct of ethical, sociocultural, relational, and epistemological competencies, requiring a wide range of tools for assessment. With reference to Italian versions of validated tools of measure, vignettes, videos, and a student's portfolio of reflective writings, this paper outlines the manner in which education for professionalism is embedded in the existing curriculum and overall framework of assessment.

Nulliparity enhances the risk of second primary malignancy of the breast in a cohort of women treated for thyroid cancer

BACKGROUND

Many studies have reported an increased risk of developing a second primary malignancy (SPM) of the breast in women treated for thyroid cancer. In this study, we investigated several potential risk factors for this association. The aim of this retrospective cohort study was to identify a subgroup of women surgically treated for papillary thyroid cancer that may benefit from more careful breast cancer screening.

METHODS

A total of 101 women surgically treated for papillary thyroid cancer from 1996 to 2009 with subsequent follow-up were interviewed by phone regarding personal risk factors and lifestyle habits. Only 75 questionnaires could be evaluated due to a 25.7% rate of patients not retrieved or refusing the interview. Data analysis was performed using a multivariate logistic model.

RESULTS

The standardised incidence ratio (SIR) for breast cancer was 3.58 (95% IC 1.14 - 8.37). Our data suggest a protective effect of multiparity on the development of a SPM of the breast (O.R. 0.15; 95% IC 0.25 - 0.86). Significant associations were not found with other known risk factors including Body Mass Index (BMI), age at first tumour, concurrent metabolic diseases, smoking, physical activity and familiarity.

CONCLUSIONS

This study confirms that a higher incidence of SPM of the breast is observed in women treated for papillary thyroid cancer. Additionally, this risk is increased by nulliparity, thus a strict breast screening program for nulliparous women treated for thyroid cancer may be advisable.

[Health record in the age of e-Health]

Since centuries health record has been one of main instruments of physicians, used to keep track of clinical process and to testify it. In the last 40 years, diffusion of Information and Communication Technologies (ICT) produced dramatic changes in the way clinical information are managed. Furthermore, in Italy in the last 6 years relevant rules have been introduced, which depicts in details the context for e-Health. The goal of this paper is to summarize the evolution of Health Records, also in considering the most relevant international literature and to describe the expected characteristics that nowadays an Electronic Health Record (EHR) system should have, to fully deploy the technological possibilities and to be coherent with Italian national development guidelines.

Increasing diagnostic accuracy for thyroid nodules by an integrated multivariate approach: a methodological study

OBJECTIVES

Current guidelines for diagnostic management of thyroid nodules are based on a linear approach, using categorial classifications to cluster diagnostic findings and they still lead to unnecessary surgery. A diagnostic scoring system, based on clinical, cytological and ultrasound findings is described.

MATERIALS AND METHODS

Two groups of patients (168 and 55 pts) were used to compute a multivariate model and the discriminating threshold by ROC curves. The performance of the derived scoring system was assessed by a simulation on a third group of 60 patients, who had undergone surgery according to current guidelines.

RESULTS

The scoring system displayed a sensitivity of 100%, specificity 53.3%, positive and negative predictive values of 68.1% and 100%. According to the scoring system, 16 out of 60 operations would have been saved.

CONCLUSIONS

A scoring system can take into account in a more accurate way the full informative content of the fine-grained description of diagnostic and clinical features.

[FT3 value is a possible risk indicator for patients undergoing vascular surgery]

A study on 28 patients undergoing vascular surgery was performed with the aims to confirm the postoperative decrease of serum FT3 value, to study the correlation between Euthyroid Sick Syndrome (ESS) and postoperative complications, to detect a possible correlation between markers of severity of atherosclerosis and ESS. A slight but significant decrease in postoperative FT3 value was observed (3.88 +/- 0.73 vs 3.32 +/- 1.07 p < 0.05), while we could not find any difference in pre-postoperative FT4 and TSH values. Six patients developed inflammation-related complications (Systemic Inflammatory Response Syndrome--SIRS) and they all showed a deeper postoperative decrease of FT3 value than non complicated subjects, even if the difference was not statistically significant (1st postop day 3.60 +/- 1.05 vs 2.47 +/- 0.61 p = 0.06). Finally, a strong negative linear correlation was observed between preoperative fibrinogen value and FT3 (r = -0.48). FT3 value could be a good predictor of risk for inflammatory-related postoperative complications. Preoperative FT3 value in patients with atherosclerosis is inversely correlated with markers of inflammation activity, mainly with fibrinogen.

Survivin and cyclin D1 are jointly expressed in thyroid papillary carcinoma and microcarcinoma

In order to define more effective predictive markers for clinical management and prognosis, we evaluated the expression of cyclin D1 and survivin in large papillary thyroid carcinoma (LPTC) and microcarcinoma (PTM). Sixty-seven patients operated for papillary carcinoma (36 of which with PTM) were considered. Immunochemistry for cyclin D1 and survivin was performed in samples from tumor mass and nodal metastases. There were not significant differences between LPTC and PTM as to patients personal data, TNM or MACIS staging, nodal invasion and multifocality, while capsular invasion was significantly more frequent in LPTC. Cyclin D1 and survivin were expressed at a very high rate and almost to the same extent in LPTC and PTM, both in tumoral mass and in nodal metastases. Survivin showed only cytoplasmic expression. Cyclin D1 and survivin over-expression are probably early events in tumorigenesis of thyroid papillary carcinoma but their full role in the process of tumor progression and their clinical value are still to be investigated.

Commentaries on "Informatics and medicine: from molecules to populations"

OBJECTIVE

To discuss interdisciplinary research and education in the context of informatics and medicine by commenting on the paper of Kuhn et al. "Informatics and Medicine: From Molecules to Populations".

METHOD

Inviting an international group of experts in biomedical and health informatics and related disciplines to comment on this paper.

RESULTS AND CONCLUSIONS

The commentaries include a wide range of reasoned arguments and original position statements which, while strongly endorsing the educational needs identified by Kuhn et al., also point out fundamental challenges that are very specific to the unusual combination of scientific, technological, personal and social problems characterizing biomedical informatics. They point to the ultimate objectives of managing difficult human health problems, which are unlikely to yield to technological solutions alone. The psychological, societal, and environmental components of health and disease are emphasized by several of the commentators, setting the stage for further debate and constructive suggestions.

Microcarcinoma and incidental carcinoma of the thyroid in a clinical series: clinical behaviour and surgical management

OBJECTIVES

Papillary thyroid microcarcinomas (PTM) have not yet an agreed clinical management. The Authors compared PTMs with papillary thyroid carcinoma of larger size (LPTC) and incidental and not-incidental carcinomas.

MATERIALS AND METHODS

Review of clinical data of 67 patients (54 women, 13 men) prospectively stored in a standardised way in an electronic patient record system.

RESULTS

There were 36 cases of microcarcinoma (53.7%). Differences were not significant between PTM and LPTC groups as to patients personal data, TNM and MACIS staging, nodal involvement (8.3% vs 19.3%) and multifocality (25% vs 38.7%) while capsular invasion was significantly higher in LPTC (25% vs 54.8%). Nineteen incidental tumors were detected at pathological examination and they were all microcarcinomas. They were smaller than the remaining 17 not-incidental microcarcinomas but showed a similar clinical behaviour. There were not cancer related deaths nor recurrences in the follow up period in any group.

CONCLUSIONS

Despite the excellent prognosis of PTM, a subset of these tumours shows aggressive biological and clinical features, like nodal or capsular invasion and multifocality. Actually, with the exclusion of size, they do not show any relevant difference from differentiated thyroid carcinoma of larger size. Since predictive cytogenetic markers are still missing, their treatment should then be the same as for conventional thyroid cancers.

Phenotypic and functional characterization of lymphocytes in autoimmune thyroiditis and in papillary carcinoma

BACKGROUND

Infiltrates of lymphocytes are found in both autoimmune thyroid disease and papillary cancer and are responsible for thyroid destruction in autoimmune disease. Their role in neoplastic transformation is not yet clear.

MATERIALS AND METHODS

Phenotypic studies and the capacity to undergo apoptosis were assessed on peripheral and gland infiltrating lymphocytes from patients with autoimmune thyroiditis and papillary carcinoma.

RESULTS

Peripheral lymphocytes in these patients belong to the same phenotype as the infiltrating lymphocytes. A mixed immune response Tc2 and Tc1 is present in thyroid glands of patients with papillary tumors and the capacity to undergo apoptosis in peripheral lymphocytes from both groups of patients increases.

CONCLUSION

We suggest that a switch from a Th1 (Tc1) in autoimmune thyroid disease to a Th2 or mixed response in papillary carcinoma patients in peripheral blood may help the early diagnosis of thyroid cancer and could be used in autoimmune thyroid disease patient follow-up.

[Changes in the expression of cellular alpha and beta tubulins in patients with sporadic type colorectal cancer]

The aim of this preliminar report is to evaluate alfa and beta tubulins, components of cellular microtubules, alterated expression in sporadic colorectal cancer patients. The Authors considered 16 patients who underwent surgery for sporadic colorectal carcinoma with radical intent. Alfa and beta tubulins were evaluated in tumoral mucosa by immunohistochemistry. In 56.2% of the examined patients a low expression of alfa and beta tubulins was showed while the alteration of alfa tubulin was showed in 81.2% of the patients. This finding supports the hypothesis of Porter that alterations in microtubule structure might be part of the cellular response to DNA damage.

Clinical value of calcifications in thyroid carcinoma and multinodular goiter

BACKGROUND

To confirm the predictive value of calcifications in thyroid nodules as a risk factor for malignancy and to detect aspects specific for tumours.

MATERIALS AND METHODS

In a set of 196 patients (33 differentiated thyroid carcinoma, 9 follicular adenomas and 154 multinodular goiters with dominant nodule) calcifications were detected by ultrasound scan.

RESULTS

Calcifications were significantly more frequent in differentiated thyroid carcinoma (DTC) than in benign diseases (DTC 39.4%, adenoma 11.1%, goiter 20.1%) but their considered characteristics (size, number, position, location in the gland, sonographic features of the nodule) did not show any particular difference between DTC and benign diseases. The frequency of calcifications in our series was higher in older patients (mean age 59.4 +/- 13.7 vs. 52.1 +/- 13.1 in patients without calcifications, p < 0.001) and this could imply that their onset is time-dependent.

CONCLUSION

Calcifications can be a useful indicator of enhanced risk, to be considered in the overall diagnostic process.

[Clinical significance of thyroid nodule calcification]

To confirm the predictive value of calcifications in thyroid nodules as a risk factor for malignancy and to detect specific aspects for tumours, in a set of 175 patients--30 papillary carcinoma (PC) and 145 multinodular goiters (MNG) with dominant nodule--calcifications were detected by ultrasound scan. Calcifications were significantly more frequent in PC than in MNG (40% vs 20.7% p < 0.05) but their considered characteristics (size, number, position, location in the gland, sonographic features of the nodule) did not show any particular difference between PC and MNG. The frequency of calcifications in our series was higher in older patients (mean age 58.7 +/- 13.3 vs 51.1 +/- 12.7 in patients without calcifications, p < 0.001) and this could imply that their onset is time-dependent. Calcifications can be a useful indicator of enhanced risk, to be considered in the overall process of surgical decision making.

Sharing clinical information. principles and task-oriented solutions

Increasing cooperation among health professionals--within and across organizations--require a suitable sharing of clinical information from heterogeneous (electronic) documentation. Information originates from healthcare activities and may be organized within record systems in relation to health issues, episodes of care, episodes of illness, etc. Implementation of record systems depends on tasks and attitudes within each particular healthcare environment, that determine (i) the balance among functions of the record system, e.g. supporting human memory and decision making, supporting workflow management, recording circumstances about stored data, (ii) the particular organization of a record, (iii) the details of clinical statements that should be explicit or understood. In this paper we present a set of features of record systems and of their context that affect sharing of clinical information.

[Genetics-based prognosis evaluation of patients surgically treated for sporadic colorectal cancer]

The basic assumption as rationale of this research was that DNA repair genes (MMR system) are at beginning of the genetic mutational cascade causing the induction of oncogenesis of sporadic colorectal cancers as well as their multiclonal heterogeneity. In a previous study the Authors randomly selected, from a series of 256 patients, 29 patients up to the age of 60 years who underwent surgery for colorectal carcinoma with radical intent. All selected cases were considered as sporadic cancers from a clinical point of view, since none of them fulfilled the Amsterdam criteria for HNPCC and familial adenomatous polyposis was included too. Mismatch repair gene proteins expression and, in particular, gene hMSH2 protein was investigated by immunohistochemistry analysis. In 12 cases (41.4%) hMSH2 exhibited strong expression in the tumoral cells as well as in the surrounding mucosa and at distant mucosa. In 14 cases (48.3%) loss of hMSH2 protein expression was observed in tumoral cells and low immunoreactivity was detected in peritumoral mucosa while strong hMSH2 expression was observed in distant mucosa. In a third small group of patients (10.3%) loss of hMSH2 protein expression was detected in tumoral, adjacent and at distance normal mucosa. After a five years follow up, 100% of twelve patients of first group are still alive vs 64.3% of fourteen patients of second group, while in the third group only one patient survives. These results support the hypothesis of an involvement of hMSH2 gene defect in development of a subset of sporadic colorectal cancer. For the patients with strong expression of hMSH2 in the tumoral cells as well as in the surrounding mucosa and at distant mucosa, this parameter could represent an independent criterion for a good prognostic value.

Relevance of mandates, notifications and threads in the management of continuity of care

Availability of electronic healthcare records (EHCR) and geographical networks allows nowadays to realise a set of functionalities to support continuity of care. Actual exchange of complete clinical information, common centralised records, common decisions within an agreed protocols are not mandatory. Sub-optimal alternatives, involving easier management, are possible. In fact, the crucial challenge for continuity of care is the mutual awareness of the multiple perspectives by the actors contributing to patient's care. The various actors should timely know changes in the status of: mandates, i.e. who is involved in the care provision and thus is responsible for a "local" record. knowledge about the patient, i.e. active and inactive problems, impressions, relevant findings. provision of healthcare activities, i.e. plans, orders and performed activities. The decisions on the actual implementation depend on the healthcare context, as implemented within the information system. For example, the mechanism for notifications involves decisions on the quality and quantity of information that must be exchanged, as well as on the modalities for the exchange, regulated by individual user's profiles. Each notification could be sent as a message to a central repository, and then each authorized user could select within the repository the pertaining messages. Or a notification could be sent directly to the list of professionals involved in the care of a patient, that asked for it in their profile. Mandates may be used to regulate the access of the users to the patient's information. This approach was embedded in a European standard under development in CEN/TC251 (CONTSYS--"System of concepts to support continuity of care").

Altered expression of hMSH2 in sporadic colorectal cancer, surrounding mucosa and at distant colonic mucosa

BACKGROUND

Mismatch repair gene hMSH2 is involved in correction of mispairing during replication and its mutation is associated both with microsatellite instability and with hereditary colorectal cancer. We evaluated its involvement in sporadic colorectal cancer tumorigenesis too.

MATERIALS AND METHODS

The protein expression pattern of hMSH2 was evaluated on 29 cases of resected sporadic adenocarcinoma using an immunohistochemical approach.

RESULTS

In 14 cases, lack of hMSH2 protein expression was observed in adenocarcinoma and in peritumoral mucosa. In 12 patients, hMSH2 resulted in strong expression in the tumour as well as in the surrounding mucosa and at distant mucosa. In three cases, hMSH2 protein expression in tumoral, adjacent and at distance normal mucosa resulted negative.

CONCLUSION

Repair genes could play an important role in tumour progression and in sporadic colorectal cancer. Detection of protein expression by immunohistochemistry may be a method to select tumours for successive genetic investigations.

Structuring clinical information in healthcare records

We carried out an analytical study about names of clinical documents, titles of generic sections, names of data elements, to prepare the European Prestandard CEN ENV13606-2 on "Health Informatics--Communication of Electronic Health Care Record--Part 2: Domain Termlist". The goal of the standard is to facilitate transmission and/or homogeneous browsing of clinical information from disparate patient records, without any preliminary agreement on coding systems, data elements, record organization. With the assistance of the members of CEN/TC251/PT27 and under the control of CEN/TC251/WG I and WG II, we defined three layers to structure clinical information (structuring records into complexes, complexes into statements, statements into details) and we prepared many lists suitable to represent coarse-grained information about the different constructs used in the above layers.

Prognostic significance of mucinous carcinoma of colon and rectum: a prospective case-control study

BACKGROUND AND OBJECTIVES

The clinical meaning of mucinous type of colonic and rectal carcinoma is still controversial. We used clinicopathological and follow-up data prospectively recorded for our series of colon and rectum cancer to compare 2 matched groups of mucinous and nonmucinous cancer patients.

METHODS

Two-hundred-forty-eight patients operated for colon and rectum cancer between January 1986 and January 1997 were considered. Thirty-six patients showed mucinous pattern on histologic examination but only 29 (11.7%) had more than 50% of mucin-secreting acini and could be classified as mucinous type. The 29 mucinous cancer patients were compared with 212 nonmucinous cancer patients to evaluate differences in epidemiological and clinical features. A control group from the nonmucinous patients was sorted by matching for age, sex, location, and Dukes stage.

RESULTS

In the case-control groups, survival was better for nonmucinous than for mucinous tumours. Many of the epidemiological findings already observed for mucinous carcinoma were also confirmed.

CONCLUSIONS

The existence of prognostic, clinical, and epidemiological differences between mucinous and nonmucinous colorectal carcinoma, together with the preliminary reports about their difference as to genetic features, could support the hypothesis that mucinous type is a distinct biological entity.