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1.
Pediatr Dermatol ; 37(3): 572-573, 2020 May.
Artículo en Inglés | MEDLINE | ID: mdl-32198786

RESUMEN

Lipoatrophic panniculitis (LP) is a rare childhood panniculitis characterized by sclerotic, atrophic plaques on the extremities. We present a case of LP diagnosed during the inflammatory phase that was difficult to distinguish clinically from eosinophilic fasciitis. This report adds to the limited phenotypic spectrum of LP by differentiating the clinical features of disease activity from disease damage and highlighting the importance of biopsy in establishing a diagnosis.


Asunto(s)
Enfermedades del Tejido Conjuntivo , Paniculitis , Adolescente , Atrofia , Biopsia , Niño , Humanos , Paniculitis/diagnóstico
3.
Radiographics ; 39(5): 1411-1434, 2019.
Artículo en Inglés | MEDLINE | ID: mdl-31419189

RESUMEN

A variety of clinically significant conditions can affect both the esophagus and the skin. Esophageal and cutaneous manifestations may directly reflect the underlying disease process, as in infections such as herpes simplex virus, bullous diseases such as epidermolysis bullosa and mucous membrane pemphigoid, connective tissue diseases such as systemic sclerosis, and inflammatory diseases such as lichen planus. Alternatively, esophageal and cutaneous findings may result from conditions that are closely associated with and potentially pathognomonic for but distinct from the underlying disease process, as in genetic diseases such as Cowden syndrome or paraneoplastic syndromes such as acrokeratosis paraneoplastica. Other diseases such as Crohn disease may have cutaneous manifestations that directly reflect the same underlying inflammatory process that affects the gastrointestinal tract or cutaneous manifestations that represent reactive or associated conditions distinct from the underlying inflammatory process. The cutaneous manifestations of disease may precede, coincide with, or follow the esophageal manifestations of disease. The authors present the characteristic clinical features and imaging findings associated with common and uncommon conditions that have esophageal and cutaneous manifestations. Each condition is presented with a brief overview, discussion of salient clinical and cutaneous manifestations, and description of the typical esophageal imaging findings, with particular attention to implications for diagnosis, prognosis, and treatment. Recognition of potential associations between cutaneous lesions and esophageal imaging findings is important for establishing a specific diagnosis or generating a meaningful differential diagnosis.


Asunto(s)
Enfermedades del Esófago/diagnóstico por imagen , Enfermedades de la Piel/diagnóstico por imagen , Diagnóstico Diferencial , Enfermedades del Esófago/complicaciones , Humanos , Síndromes Paraneoplásicos/complicaciones , Síndromes Paraneoplásicos/diagnóstico por imagen , Pronóstico , Enfermedades de la Piel/complicaciones
4.
J Am Acad Dermatol ; 87(6): 1275-1276, 2022 12.
Artículo en Inglés | MEDLINE | ID: mdl-36375716
6.
Brain Behav Evol ; 81(4): 209-18, 2013.
Artículo en Inglés | MEDLINE | ID: mdl-23712070

RESUMEN

Allometric studies in primates have shown that the cerebral cortex, cerebellum, and remaining brain structures increase in size as a linear function of their numbers of neurons and nonneuronal cells across primates. Whether such scaling rules also apply to functionally related structures such as those of the auditory system is unknown. Here, we investigate the scaling of brain structures in the auditory pathway of six primate species and the closely related tree shrew. Using the isotropic fractionator method to estimate the numbers of neurons and nonneuronal cells in the inferior colliculus, medial geniculate nucleus, and auditory cortex (Ac), we assessed how they scaled across species and examined the relative scaling relationships among them. As expected, each auditory structure scales in mass as a linear function of its number of neurons, with no significant changes in neuronal density across species. The Ac scales proportionately with the cerebral cortex as a whole, maintaining a relative mass of approximately 1% and a relative number of neurons of 0.7%. However, the Ac gains neurons faster than both subcortical structures examined. As a result, larger primate brains have increased ratios of cortical to subcortical neurons involved in processing auditory information.


Asunto(s)
Corteza Auditiva/citología , Cuerpos Geniculados/citología , Colículos Inferiores/citología , Células Receptoras Sensoriales/citología , Animales , Aotidae , Callithrix , Recuento de Células , Galago , Lemur , Macaca mulatta , Papio , Tupaiidae
7.
JAMA Dermatol ; 159(1): 47-55, 2023 01 01.
Artículo en Inglés | MEDLINE | ID: mdl-36383363

RESUMEN

Importance: Dermatology is one of the least diverse specialties, while patients from minority racial and ethnic groups and other underserved populations continue to face numerous dermatology-specific health and health care access disparities in the US. Objectives: To examine the demographic characteristics and intended career goals of graduating US allopathic medical students pursuing careers in dermatology compared with those pursuing other specialties and whether these differ by sex, race and ethnicity, and/or sexual orientation. Design, Setting, and Participants: This secondary analysis of a repeated cross-sectional study included 58 077 graduating allopathic medical students using data from the 2016 to 2019 Association of American Medical Colleges Graduation Questionnaires. Main Outcomes and Measures: The proportion of female students, students from racial and ethnic groups underrepresented in medicine (URM), and sexual minority (SM) students pursuing dermatology vs pursuing other specialties. The proportions and multivariable-adjusted odds of intended career goals between students pursuing dermatology and those pursuing other specialties and by sex, race and ethnicity, and sexual orientation among students pursuing dermatology. Results: A total of 58 077 graduating students were included, with 28 489 (49.0%) female students, 8447 (14.5%) URM students, and 3641 (6.3%) SM students. Female students pursuing dermatology were less likely than female students pursuing other specialties to identify as URM (96 of 829 [11.6%] vs 4760 of 27 660 [17.2%]; P < .001) or SM (16 [1.9%] vs 1564 [5.7%]; P < .001). In multivariable-adjusted analyses, students pursuing dermatology compared with other specialties had decreased odds of intending to care for underserved populations (247 of 1350 [18.3%] vs 19 142 of 56 343 [34.0%]; adjusted odd ratio [aOR], 0.40; 95% CI, 0.35-0.47; P < .001), practice in underserved areas (172 [12.7%] vs 14 570 [25.9%]; aOR, 0.40; 95% CI, 0.34-0.47; P < .001), and practice public health (230 [17.0%] vs 17 028 [30.2%]; aOR, 0.44; 95% CI, 0.38-0.51; P < .001) but increased odds of pursuing research (874 [64.7%] vs 29 121 [51.7%]; aOR, 1.76; 95% CI, 1.57-1.97; P < .001) in their careers. Among students pursuing dermatology, female, URM, and SM identities were independently associated with increased odds of caring for underserved populations (eg, URM: aOR, 4.05; 95% CI, 2.83-5.80) and practicing public health (eg, SM: aOR, 2.55; 95% CI, 1.51-4.31). URM students compared with non-URM students pursuing dermatology had increased odds of intending to practice in underserved areas (aOR, 3.93; 95% CI, 2.66-5.80), and SM students compared with heterosexual students pursuing dermatology had increased odds of intending to become medical school faculty (aOR, 1.60; 95% CI, 1.01-2.57), to pursue administrative roles (aOR, 1.60; 95% CI, 1.01-2.59), and to conduct research (aOR, 1.73; 95% CI, 1.01-2.98). Conclusions and Relevance: The findings of this cross-sectional study suggest that diversity gaps continue to exist in the dermatology workforce pipeline. Efforts are needed to increase racial and ethnic and sexual orientation diversity and interest in careers focused on underserved care and public health among students pursuing dermatology.


Asunto(s)
Dermatología , Estudiantes de Medicina , Humanos , Masculino , Femenino , Estudiantes de Medicina/estadística & datos numéricos , Estudios Transversales , Objetivos , Grupos Minoritarios/estadística & datos numéricos , Encuestas y Cuestionarios
8.
Acad Med ; 97(12): 1847-1853, 2022 12 01.
Artículo en Inglés | MEDLINE | ID: mdl-35703197

RESUMEN

PURPOSE: To identify exemplary medical education curricula, operationalized as curricula evaluating knowledge retention and/or clinical skills acquisition, for health care for sexual and gender minoritized (SGM) individuals and individuals born with a difference in sex development (DSD). METHOD: The authors conducted a systematic review of the literature using Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines. Searches were performed in PubMed/MEDLINE, The Cochrane Library, Web of Science, ERIC, Embase, PsycINFO, and the gray literature to identify studies that (1) pertained to undergraduate and/or graduate medical education, (2) addressed education on health care of SGM/DSD individuals, and (3) assessed knowledge retention and/or clinical skills acquisition in medical trainees. The final searches were run in March 2019 and rerun before final analyses in June and October 2020. RESULTS: Of 670 full-text articles reviewed, 7 met the inclusion criteria. Five of the 7 studies assessed trainee knowledge retention alone, 1 evaluated clinical skills acquisition alone, and 1 evaluated both outcomes. Studies covered education relevant to transgender health, endocrinology for patients born with DSDs, and HIV primary care. Only 1 study fully mapped to the Association of American Medical Colleges (AAMC) SGM/DSD competency recommendations. Six studies reported institutional funding and development support. No studies described teaching SGM/DSD health care for individuals with multiply minoritized identities or engaging the broader SGM/DSD community in medical education curriculum development and implementation. CONCLUSIONS: Curriculum development in SGM/DSD health care should target knowledge retention and clinical skills acquisition in line with AAMC competency recommendations. Knowledge and skill sets for responsible and equitable care are those that account for structures of power and oppression and cocreate curricula with people who are SGM and/or born with DSDs.


Asunto(s)
Competencia Clínica , Minorías Sexuales y de Género , Humanos , Curriculum , Identidad de Género , Salud de las Minorías
9.
JAMA Dermatol ; 157(3): 290-295, 2021 03 01.
Artículo en Inglés | MEDLINE | ID: mdl-33471082

RESUMEN

Importance: Acne is a common condition among transgender patients receiving masculinizing hormone therapy (MHT), but the incident risk and predictors of developing acne in this population have not yet been studied on a large scale. Objective: To assess risk of acne among a large population of transgender patients receiving MHT and clinical risk factors for acne diagnosis. Design, Setting, and Participants: A retrospective cohort study that included 988 patients who started MHT between January 1, 2014, and December 31, 2017, with at least 1 year of follow-up was performed. Data analysis was conducted from September 1 to 15, 2019. Data were obtained using electronic health records from a community health center serving the sexual and gender minority community. The population included every patient who began receiving MHT during the study period who was aged 18 years or older at the time of MHT initiation and whose assigned sex at birth was female. Main Outcomes and Measures: The main outcome was acne defined by International Statistical Classification of Diseases, Tenth Revision, Clinical Modification codes for acne. Overall prevalence and incidence proportions over 2 years after initiation of MHT were calculated. Baseline demographic and clinical characteristics were collected at the time of MHT initiation. A series of univariate analyses for all factors was calculated to test for an association with acne diagnosis, followed by multivariate analyses to test for independent predictors. Results: For 988 patients (median age, 25.8 years; interquartile range, 20.8-28.2 years), there was an overall acne prevalence of 31.1% (n = 307). The 1-year post-MHT acne incidence proportion was 19.0% and the 2-year incidence proportion was 25.1%. A younger age at MHT initiation was associated with a higher likelihood of developing acne, with a median of 22.4 years (interquartile range, 19.7-25.6 years) among patients who developed acne vs 24.7 years (interquartile range, 21.3-29.4 years) among patients who did not (P = .002). Conclusions and Relevance: Acne is a common condition among transgender patients on MHT, with a prevalence increasing from 6.3% to 31.1% following MHT initiation. Patients aged 18 to 21 years appear to be the most likely to develop acne after MHT initiation.


Asunto(s)
Acné Vulgar/inducido químicamente , Terapia de Reemplazo de Hormonas/efectos adversos , Personas Transgénero , Acné Vulgar/epidemiología , Adulto , Factores de Edad , Estudios de Cohortes , Femenino , Terapia de Reemplazo de Hormonas/métodos , Humanos , Incidencia , Masculino , Prevalencia , Estudios Retrospectivos , Factores de Riesgo , Adulto Joven
10.
Brain Behav Evol ; 76(1): 45-59, 2010.
Artículo en Inglés | MEDLINE | ID: mdl-20926855

RESUMEN

The spinal cord can be considered a major sensorimotor interface between the body and the brain. How does the spinal cord scale with body and brain mass, and how are its numbers of neurons related to the number of neurons in the brain across species of different body and brain sizes? Here we determine the cellular composition of the spinal cord in eight primate species and find that its number of neurons varies as a linear function of cord length, and accompanies body mass raised to an exponent close to 1/3. This relationship suggests that the extension, mass and number of neurons that compose the spinal cord are related to body length, rather than to body mass or surface. Moreover, we show that although brain mass increases linearly with cord mass, the number of neurons in the brain increases with the number of neurons in the spinal cord raised to the power of 1.7. This faster addition of neurons to the brain than to the spinal cord is consistent with current views on how larger brains add complexity to the processing of environmental and somatic information.


Asunto(s)
Neuroglía , Neuronas , Primates/anatomía & histología , Médula Espinal/citología , Animales , Índice de Masa Corporal , Recuento de Células/métodos , Indoles , Modelos Lineales , Neuroglía/metabolismo , Neuronas/metabolismo , Fosfopiruvato Hidratasa/metabolismo , Filogenia , Primates/clasificación , Especificidad de la Especie
11.
JAMA Dermatol ; 156(5): 561-565, 2020 05 01.
Artículo en Inglés | MEDLINE | ID: mdl-32211825

RESUMEN

Importance: Hair removal can be an essential component of the gender affirmation process for gender-minority (GM) patients whose outward appearance does not align with their gender identity. Objective: To examine the health insurance policies in the Affordable Care Act (ACA) marketplace and Medicaid policies for coverage of permanent hair removal for transgender and GM patients and to correlate the policies in each state with statewide protections of coverage for gender-affirming care. Design and Setting: Private health insurance policies available on the ACA marketplace and statewide Medicaid policies were examined in a cross-sectional study from September 1 to October 31, 2019, and January 17 to 30, 2020. Policies were assessed for coverage of permanent hair removal. Language concerning hair removal was found in each policy's medical or clinical coverage guidelines and separated into general categories. Main Outcomes and Measures: Logistic regression analyses were performed to compare Medicaid policies and ACA policies in states with and without transgender protections. Results: A total of 174 policies were analyzed, including 123 private insurance policies and 51 statewide Medicaid policies. Of these policies, 8 (4.6%) permitted the coverage of permanent hair removal without explicit restrictions. The remaining 166 policies (95.4%) broadly excluded or did not mention gender-affirming care; prohibited coverage of hair removal or did not mention it; or only permitted coverage of hair removal preoperatively for genital surgery. The ACA marketplace policies in states without transgender care protections were less likely to cover hair removal without restrictions than ACA policies in states with protections (2 of 85 policies [2.4%] in states without transgender care protections vs 5 of 38 policies [13.2%] in states with transgender care protections), and Medicaid policies were less likely to cover preoperative or nonsurgical hair removal compared with ACA policies (6 of 51 Medicaid policies [11.8%] vs 47 of 123 ACA policies [38.2%]). Conclusions and Relevance: Despite adoption of statewide restrictions on GM health care exclusions by several states, most Medicaid and ACA policies examined in this study did not cover permanent hair removal for transgender patients. Many GM patients seeking hair removal may be required to pay out-of-pocket costs, which could be a barrier for gender-affirming care.


Asunto(s)
Remoción del Cabello/economía , Cobertura del Seguro/estadística & datos numéricos , Minorías Sexuales y de Género , Personas Transgénero , Estudios Transversales , Femenino , Identidad de Género , Remoción del Cabello/métodos , Humanos , Cobertura del Seguro/economía , Cobertura del Seguro/legislación & jurisprudencia , Seguro de Salud/economía , Seguro de Salud/legislación & jurisprudencia , Seguro de Salud/estadística & datos numéricos , Masculino , Medicaid/economía , Medicaid/legislación & jurisprudencia , Patient Protection and Affordable Care Act , Estados Unidos
12.
Pediatr Infect Dis J ; 39(2): e25-e27, 2020 02.
Artículo en Inglés | MEDLINE | ID: mdl-31929435

RESUMEN

We present a case of herpes zoster ophthalmicus in an otherwise healthy 14-month-old male associated with vaccine-strain varicella-zoster virus 11 weeks after monovalent varicella vaccine administration. Herpes zoster ophthalmicus, especially in the setting of familial immunoglobulin A deficiency, prompted further immunologic workup. A high index of suspicion is necessary for timely diagnosis and treatment of vaccine-strain herpes zoster.


Asunto(s)
Herpes Zóster Oftálmico/etiología , Herpes Zóster Oftálmico/prevención & control , Vacuna contra el Herpes Zóster/inmunología , Herpesvirus Humano 3/inmunología , Síndromes de Inmunodeficiencia/complicaciones , Anticuerpos Antivirales/sangre , Anticuerpos Antivirales/inmunología , Antivirales/uso terapéutico , Vacuna contra la Varicela/inmunología , Herpes Zóster Oftálmico/diagnóstico , Herpes Zóster Oftálmico/tratamiento farmacológico , Vacuna contra el Herpes Zóster/administración & dosificación , Herpesvirus Humano 3/genética , Humanos , Inmunoglobulina A/sangre , Inmunoglobulina A/inmunología , Inmunoglobulina G/sangre , Inmunoglobulina G/inmunología , Lactante , Masculino , Evaluación de Síntomas , Resultado del Tratamiento
17.
Transgend Health ; 1(1): 216-230, 2016.
Artículo en Inglés | MEDLINE | ID: mdl-28861536

RESUMEN

Purpose: Transgender people face barriers to accessing healthcare, resulting in population-level disparities in health outcomes. Little research is available to better understand the receipt of primary healthcare among transgender patients or how the rate of receipt of preventive care may differ among transgender populations. Methods: The medical literature regarding U.S. adult transgender primary healthcare was reviewed using a keyword search strategy: transgender OR transsexual OR transvestite OR gender nonconforming for articles published between January 1, 2001 and June 15, 2015. Studies addressing the following topics as assessed by the Behavioral Risk Factor Surveillance System were extracted for qualitative review: colorectal cancer screenings, mammography or chest/breast tissue examinations, cholesterol and blood pressure screenings, tobacco use and smoking cessation, cervical cancer or human papillomavirus (HPV) screenings, human immunodeficiency virus (HIV), annual flu shot, and insurance coverage. Results: The search identified 1304 eligible records, of which 41 discussed transgender primary or preventive care. The majority of studies discussed HIV rates or risk behaviors, while fewer articles addressed pelvic examinations, tobacco use, insurance coverage, and cholesterol screenings. No studies addressed mammography or chest/breast tissue examinations, colorectal screenings, or flu shots. Conclusions: Findings from articles addressing five topics are discussed: HIV, cholesterol screenings, tobacco use, pelvic health, and insurance coverage. Gaps in the extant literature, including the lack of studies of nonbinary people, transgender men of color, and transgender people living outside of large coastal urban centers, are discussed. This review, coincident with other health disparity findings, suggests an urgent need for research that addresses the primary care needs of all transgender and gender nonconforming people.

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