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1.
Int J Dermatol ; 60(12): 1529-1546, 2021 Dec.
Article in English | MEDLINE | ID: mdl-34363696

ABSTRACT

BACKGROUND: Cutaneous myiasis in patients with malignant wounds or skin cancer is a rare and undesirable event with limited epidemiological data. A subregister of reports, lack of education in the population, inadequate empirical treatments, and medical underestimation are components of a public health problem that threatens patients' lives. METHODS: We conducted a systematic review of the literature of cutaneous myiasis associated with malignant wounds and skin cancer, characterizing sociodemographic variables, risk factors, clinical and histological features, and treatment. Additionally, we present a demonstrative case with the adequate taxonomic evaluation. DISCUSSION: Cutaneous myiasis is an underestimated and poorly managed infestation, which can generate severe complications in oncological patients. This is the first systematic review in the literature about this clinical scenario, which provides information to the physician and clinical researcher about the epidemiological gaps and what has been published so far. CONCLUSIONS: Findings from the current review have helped to display the sociodemographic, epidemiological, and clinical behavior of myiasis in skin cancer and malignant wounds. Its contribution to the greater tumor tissue destruction is clear; however, more studies are required. The therapeutic management in these patients is equally clarified.


Subject(s)
Myiasis , Skin Neoplasms , Humans , Myiasis/diagnosis , Myiasis/therapy , Risk Factors , Skin Neoplasms/complications , Skin Neoplasms/therapy
2.
Rev. neurol. (Ed. impr.) ; 53(3): 146-152, 1 ago., 2011. tab
Article in Spanish | IBECS | ID: ibc-91817

ABSTRACT

Introducción. Los anticuerpos contra la aquaporina-4 (Ac-AQP-4) permitieron identificar como enfermedades diferentes a la neuromielitis óptica (NMO) y la esclerosis múltiple (EM). Estudios recientes sugieren que los alelos HLA-DRB1 contribuyen de forma diferente en la NMO y la EM en poblaciones no caucásicas. Nuestro objetivo fue analizar la distribución HLA-DRB1 en pacientes con NMO de origen caucásico. Sujetos y métodos. Se incluyó una cohorte de 22 pacientes con NMO (el 73% con Ac-AQP-4), 228 con EM y 225 controles sanos de origen español, y se genotipificó el locus HLA-DRB1. Posteriormente, los resultados se combinaron con los descritos en una población caucásica francesa: 45 pacientes con NMO (el 53% con Ac-AQP-4), 156 con EM y 310 controles sanos. Resultados. En la cohorte española, la NMO, en comparación con la EM, se asociaba a una mayor frecuencia del alelo DRB1*10 (odds ratio, OR = 15,1; intervalo de confianza del 95%, IC 95% = 3,26-69,84; p = 0,012). En el análisis combinado, y comparado con controles sanos, la NMO se asociaba a una mayor frecuencia del alelo DRB1*03 (OR = 2,27; IC 95% = 1,44-3,58; p < 0,0008), y esto se relacionaba con tener Ac-AQP-4 (OR = 2,74; IC 95% = 1,58-4,77; p < 0,0008). Por el contrario, la EM se asociaba a una mayor frecuencia del alelo DRB1*15 (OR = 2,09; IC 95% = 1,62-2,68; p < 0,0008) y a una menor frecuencia del alelo DRB1*07 (OR = 0,58; IC 95% = 0,44-0,78; p < 0,0008). Conclusiones. Los pacientes caucásicos con NMO y EM presentan una distribución alélica HLA-DRB1 diferente. El alelo DRB1*03 parece contribuir a ser IgG-NMO seropositivo. Son necesarios estudios multicéntricos colaborativos para conocer mejor la contribución genética en la susceptibilidad a padecer NMO (AU)


Introduction. The existence of antibodies to aquaporin-4 (AQP-4-ab) has identified neuromyelitis optica (NMO) and multiple sclerosis (MS) as different diseases. Although HLA-DRB1 alleles contribute to MS risk, recent studies suggest that HLA background differs between patients with NMO or MS in non-Caucasians populations. Our study was aimed to analyze HLA-DRB1 distribution in Caucasians NMO patients. Subjects and methods. We recruited a cohort of 22 NMO patients (73% were AQP-4-ab positive), 228 MS patients and 225 healthy controls from Spain and we genotyped the HLA-DRB1 locus. Then, we performed a pool analysis using reported data from 45 NMO patients (53% were AQP-4-ab positive), 156 MS patients and 310 healthy controls from Caucasian French population. Results. In the Spanish cohort, NMO was associated with increased frequency of DRB1*10 allele compared with MS (odds ratio, OR = 15.1; 95% confidence interval, 95% CI = 3.26-69.84; p = 0.012). In the pooled analysis, by comparison with healthy controls, NMO was associated with increased frequency of DRB1*03 allele (OR = 2.27; 95% CI = 1.44-3.58; p < 0.0008) which was related to AQP-4-ab seropositivity (OR = 2.74; 95% CI = 1.58-4.77; p < 0.0008). By contrast, MS as associated with increased frequency of DRB1*15 allele (OR = 2.09; 95% CI = 1.62-2.68; p < 0.0008) and decreased frequency of DRB1*07 allele (OR = 0.58; 95% CI = 0.44-0.78; p < 0.0008). Conclusions. Caucasian patients with NMO and MS have a different HLA-DRB1 allelic distribution. DRB1*03 allele seems to contribute to NMO seropositivity. Multicenter collaborative efforts are needed to adequately address the genetic contribution to NMO susceptibility (AU)


Subject(s)
Humans , Neuromyelitis Optica/genetics , Multiple Sclerosis/genetics , HLA-DR Antigens/analysis , Diagnosis, Differential , Aquaporin 4/antagonists & inhibitors , Genetic Predisposition to Disease
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