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BACKGROUND: Mohs micrographic surgery efficiently treats skin cancer through staged resection, but surgeons' varying resection rates may lead to higher medical costs. OBJECTIVE: To evaluate the cost savings associated with a quality improvement. MATERIALS AND METHODS: The authors conducted a retrospective cohort study using 100% Medicare fee-for-service claims data to identify the change of mean stages per case for head/neck (HN) and trunk/extremity (TE) lesions before and after the quality improvement intervention from 2016 to 2021. They evaluated surgeon-level change in mean stages per case between the intervention and control groups, as well as the cost savings to Medicare over the same time period. RESULTS: A total of 2,014 surgeons performed Mohs procedures on HN lesions. Among outlier surgeons who were notified, 31 surgeons (94%) for HN and 24 surgeons (89%) for TE reduced their mean stages per case with a median reduction of 0.16 and 0.21 stages, respectively. Reductions were also observed among outlier surgeons who were not notified, reducing their mean stages per case by 0.1 and 0.15 stages, respectively. The associated total 5-year savings after the intervention was 92 million USD. CONCLUSION: The implementation of this physician-led benchmarking model was associated with broad reductions of physician utilization and significant cost savings.
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Redução de Custos , Medicare , Cirurgia de Mohs , Melhoria de Qualidade , Neoplasias Cutâneas , Humanos , Estudos Retrospectivos , Medicare/economia , Estados Unidos , Melhoria de Qualidade/economia , Redução de Custos/estatística & dados numéricos , Neoplasias Cutâneas/cirurgia , Neoplasias Cutâneas/economia , Cirurgia de Mohs/economia , Seguimentos , Padrões de Prática Médica/economia , Padrões de Prática Médica/estatística & dados numéricos , Masculino , Feminino , Cirurgiões/economia , Cirurgiões/estatística & dados numéricos , Neoplasias de Cabeça e Pescoço/cirurgia , Neoplasias de Cabeça e Pescoço/economiaRESUMO
BACKGROUND: Amid a movement toward value-based healthcare, increasing emphasis has been placed on outcomes and cost of medical services. To define and demonstrate the quality of services provided by Mohs surgeons, it is important to identify and understand the key aspects of Mohs micrographic surgery (MMS) that contribute to excellence in patient care. OBJECTIVE: The purpose of this study is to develop and identify a comprehensive list of metrics in an initial effort to define excellence in MMS. METHODS: Mohs surgeons participated in a modified Delphi process to reach a consensus on a list of metrics. Patients were administered surveys to gather patient perspectives. RESULTS: Twenty-four of the original 66 metrics met final inclusion criteria. Broad support for the initiative was obtained through physician feedback. LIMITATIONS: Limitations of this study include attrition bias across survey rounds and participation at the consensus meeting. Furthermore, the list of metrics is based on expert consensus instead of quality evidence-based outcomes. CONCLUSION: With the goal of identifying metrics that demonstrate excellence in performance of MMS, this initial effort has shown that Mohs surgeons and patients have unique perspectives and can be engaged in a data-driven approach to help define excellence in the field of MMS.
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Neoplasias Cutâneas , Cirurgiões , Humanos , Neoplasias Cutâneas/cirurgia , Cirurgia de Mohs , Consenso , BenchmarkingRESUMO
There are a variety of practice models to select from as we establish the framework that optimizes our practice of medicine. Work satisfaction is closely connected to the right fit of the model selected. A model of increasing popularity is the private equity backed dermatology practice management (DPM) company. The objective of this chapter is to describe this model and how it can provide a meaningful pathway.
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BACKGROUND: The success of Mohs micrographic surgery depends on the surgeon's ability to correctly interpret intraoperative frozen sections. OBJECTIVE: This retrospective study analyzed the rate of concordance between Mohs surgeons and dermatopathologists in reading slides from Mohs surgery cases. METHODS: A dermatopathologist reviewed all the frozen sections and the corresponding Mohs map for every 30th Mohs case at a practice employing 6 different Mohs surgeons during 2001-2017. Cases in which the dermatopathologist and the Mohs surgeon disagreed on the interpretation were noted. RESULTS: The concordance rate between Mohs surgeons and dermatopathologists was 99.79%. The 3 discordant cases included a case of squamous cell carcinoma, a case of superficial basal cell carcinoma, and a case of hypertrophic squamous cell carcinoma in situ. LIMITATIONS: This analysis is limited to fellowship-trained Mohs surgeons and, therefore, might not be applicable to all physicians who perform Mohs. CONCLUSION: Fellowship-trained Mohs surgeons show high concordance with board-certified dermatopathologists in the accurate and precise interpretation of histology slides in the setting of Mohs micrographic surgery.
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Carcinoma Basocelular , Carcinoma de Células Escamosas , Neoplasias Cutâneas , Humanos , Cirurgia de Mohs , Estudos Retrospectivos , Neoplasias Cutâneas/cirurgia , Neoplasias Cutâneas/patologia , Carcinoma Basocelular/cirurgia , Carcinoma Basocelular/patologia , Carcinoma de Células Escamosas/cirurgia , Carcinoma de Células Escamosas/patologiaRESUMO
IMPORTANCE: Mohs micrographic surgery (MMS) is a skin cancer treatment that uses staged excisions based on margin status. Wide surgeon-level variation exists in the mean number of staged resections used to treat a tumor, resulting in a cost disparity and question of appropriateness. OBJECTIVE: To evaluate the effectiveness of a behavioral intervention aimed at reducing extreme overuse in MMS, as defined by the specialty society, by confidentially sharing stages-per-case performance data with individual surgeons benchmarked to their peers nationally. DESIGN, SETTING, AND PARTICIPANTS: This nonrandomized controlled intervention study included 2329 US surgeons who performed MMS procedures from January 1, 2016, to March 31, 2018. Physicians were identified using a 100% capture of Medicare Part B claims. The intervention group included physicians affiliated with the American College of Mohs Surgery, and the control group included physicians not affiliated with the American College of Mohs Surgery. INTERVENTIONS: Individualized performance reports were delivered to all outlier surgeons, defined by the specialty society as those with mean stages per case 2 SDs above the mean, and inlier surgeons in the intervention group. MAIN OUTCOMES AND MEASURES: The primary outcome was surgeon-level change in mean stages per case between the prenotification (January 2016 to January 2017) and postnotification (March 2017 to March 2018) periods. A multivariable linear regression model was used to evaluate the association of notification with this surgeon-level outcome. The surgeon-level metric of mean stages per case was not risk adjusted. The mean Medicare cost savings associated with changes in practice patterns were calculated. RESULTS: Of the 2329 included surgeons, 1643 (70.5%) were male and 2120 (91.0%) practiced in metropolitan areas. In the intervention group (n = 1045), 53 surgeons (5.1%) were outliers; in the control group (n = 1284), 87 surgeons (6.8%) were outliers. Among the outliers in the intervention group, 44 (83%) demonstrated a reduction in mean stages per case compared with 60 outliers in the control group (69%; difference, 14%; 95% CI of difference, -1 to 27; P = .07). There was a mean stages-per-case reduction of 12.6% among outliers in the intervention group compared with 9.0% among outliers in the control group, and outliers in the intervention group had an adjusted postintervention differential decrease of 0.14 stages per case (95% CI, -0.19 to -0.09; P = .002). The total administrative cost of the intervention program was $150â¯000, and the estimated reduction in Medicare spending was $11.1 million. CONCLUSIONS AND RELEVANCE: Sharing personalized practice pattern data with physicians benchmarked to their peers can reduce overuse of MMS among outlier physicians.
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Importance: Outlier physician practices in health care can represent a significant burden to patients and the health system. Objective: To study outlier physician practices in Mohs micrographic surgery (MMS) and the associated factors. Design, Setting, and Participants: This retrospective analysis of publicly available Medicare Part B claims data from January 2012 to December 2014 includes all physicians who received Medicare payments for MMS from any practice performing MMS on the head and neck, genitalia, hands, and feet region of Medicare Part B patients. Main Outcomes and Measures: Characteristics of outlier physicians, defined as those whose mean number of stages for MMS was 2 standard deviations greater than the mean number for all physicians billing MMS. Logistic regression was used to study the physician characteristics associated with outlier status. Results: Our analysis included 2305 individual billing physicians performing MMS. The mean number of stages per MMS case for all physicians practicing from January 2012 to December 2014 was 1.74, the median was 1.69, and the range was 1.09 to 4.11. Overall, 137 physicians who perform Mohs surgery were greater than 2 standard deviations above the mean (2 standard deviations above the mean = 2.41 stages per case) in at least 1 of the 3 examined years, and 49 physicians (35.8%) were persistent high outliers in all 3 years. Persistent high outlier status was associated with performing Mohs surgery in a solo practice (odds ratio, 2.35; 95% CI, 1.25-4.35). Volume of cases per year, practice experience, and geographic location were not associated with persistent high outlier status. Conclusions and Relevance: Marked variation exists in the number of stages per case for MMS for head and neck, genitalia, hands, and feet skin cancers, which may represent an additional financial burden and unnecessary surgery on individual patients. Providing feedback to physicians may reduce unwarranted variation on this metric of quality.
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Cirurgia de Mohs/métodos , Padrões de Prática Médica/estatística & dados numéricos , Neoplasias Cutâneas/cirurgia , Feminino , Neoplasias de Cabeça e Pescoço/patologia , Neoplasias de Cabeça e Pescoço/cirurgia , Humanos , Modelos Logísticos , Masculino , Medicare Part B , Cirurgia de Mohs/normas , Cirurgia de Mohs/estatística & dados numéricos , Padrões de Prática Médica/normas , Qualidade da Assistência à Saúde , Estudos Retrospectivos , Neoplasias Cutâneas/patologia , Estados Unidos , Neoplasias Urogenitais/patologia , Neoplasias Urogenitais/cirurgiaRESUMO
Atypical fibroxanthoma (AFX) has been characterized variously as a benign noninvasive neoplasm with rare recurrence. We report 2 cases of recurrent AFX. There is ongoing controversy over the diagnosis of AFX versus malignant fibrous histiocytoma (MFH) in the clinical context of recurrent AFX. Histopathologic diagnosis of fibrohistiocytic neoplasms can be quite challenging and small foci of cancer can be easily overlooked. This is particularly problematic when scarring associated with recurrent tumors is present. The utility of en face sections, as utilized in Mohs micrographical surgery, and the employment of immunohistochemical stains may be helpful in diagnosis. Recurrence of AFX can occur but is difficult to distinguish from MFH.
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Histiocitoma Fibroso Benigno/cirurgia , Histiocitoma Fibroso Maligno/cirurgia , Cirurgia de Mohs/métodos , Recidiva Local de Neoplasia , Neoplasias Cutâneas/cirurgia , Idoso , Idoso de 80 Anos ou mais , Histiocitoma Fibroso Benigno/patologia , Histiocitoma Fibroso Maligno/patologia , Humanos , MasculinoRESUMO
OBJECTIVE: Safety of multiple 16-week courses of imiquimod applied to large areas (>25 cm(2)) of skin with actinic keratoses. DESIGN: Subjects applied 1 to 6 packets two times per week for 16 weeks; if actinic keratoses were persistent at two months post-treatment, up to two additional courses could be administered within the 18-month study period. SETTING: Multicenter, outpatient. PARTICIPANTS: Adults with >/=4 actinic keratoses on the head, torso, and/or extremities. MEASUREMENTS: Treatment discontinuations, adverse events, lesion counts. RESULTS: Safety analyses included 551 subjects. At baseline, mean overall treatment area was 625+/-1114cm(2). Overall, the mean days on study was 467+/-157, and the mean exposure 215+/-133 packets with 155, 150, and 250 subjects receiving 1, 2, or 3 treatment courses, respectively. Of the 155 subjects (28.1%) who did not complete the study, 20 (3.6%) and 9 (1.6%) were discontinued for adverse events and local skin reactions, respectively. Adverse events related to study drug were reported by 40.5 percent of subjects. The local skin reactions rated as severe reported by the most subjects were erythema (31.4%), flaking/scaling/drying (23.8%), and scabbing/crusting (22.0%). For 525 subjects with analyzable lesion data, the mean baseline lesion count was 45.5+/-2.4. Overall reduction in target lesion count was 80.2 percent (p<0.0001, 95% CI 77.2-83.3%), with overall complete clearance rate of 36.4 percent and partial clearance rate (>/=75% reduction) of 68.6 percent. CONCLUSION: Multiple 16-week courses of imiquimod to treat actinic keratoses were well tolerated and significantly decreased lesions in subjects with extensive actinic keratoses.
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Efficient care of the surgical patient necessitates attention to key elements of preoperative patient preparation prior to the day of surgery, a standardized approach to patient monitoring and education on the day of surgery, and careful postoperative monitoring. Patient education is fundamental to all phases of surgical management so that patient expectations and concerns are practically addressed. Quality assurance endeavors must also be integrated into these preioperative phases so that optimal care of the surgical patient is ensured.
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Cirurgia de Mohs , Assistência Perioperatória , Neoplasias Cutâneas/cirurgia , Humanos , Educação de Pacientes como AssuntoRESUMO
BACKGROUND: Smooth muscle tumors of the skin with cytologic pleomorphism and mitotic activity have traditionally been characterized as leiomyosarcomas, despite having a benign clinical course. In the uterus, there is a smooth muscle tumor known as symplastic leiomyoma, which typically has cytologic pleomorphism without significant mitotic activity. OBJECTIVE: The objective was to illustrate by case report the unusual histologic variant of the cutaneous pilar leiomyoma analogous to the symplastic leiomyoma of the uterus. METHODS: A 54-year-old woman presented with a clinical picture of cutaneous leiomyoma but had histologic features of nuclear hyperchromasia and pleomorphism, but rare mitoses. RESULTS: Management of this patient included excision of the involved area. CONCLUSION: Symplastic leiomyoma is an atypical uterine leiomyoma with cytologic atypia. We present the case of a patient with cutaneous leiomyomas that histologically demonstrated similar features to a uterine symplastic leiomyoma. We believe that this represents a distinct histologic variant of the cutaneous pilar leiomyoma analogous to the symplastic leiomyoma of the uterus.
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Leiomioma/patologia , Neoplasias Cutâneas/patologia , Neoplasias Uterinas/patologia , Diagnóstico Diferencial , Feminino , Humanos , Pessoa de Meia-IdadeRESUMO
Dermatologic diseases are classified most commonly by morphology, by pathogenesis, or by etiology. Nontraditional classifications may be useful in terms of providing a reassessment of traditional views about disease interrelationships. This review of dermatoses characterized by neutrophilic infiltrates and dermal vessel changes reveals evidence suggesting that these dermatoses result from immune complex-mediated, neutrophil-induced dermal vessel damage. Therapeutic approaches to these heretofore unlinked dermatoses are remarkably similar.