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1.
Spinal Cord ; 55(2): 162-166, 2017 Feb.
Artículo en Inglés | MEDLINE | ID: mdl-27897186

RESUMEN

STUDY DESIGN: A randomized controlled trial (RCT). OBJECTIVES: To determine the efficacy of massage therapy (MT) as a treatment that could be implemented to reduce pain and fatigue in people with chronic spinal cord injury (SCI). SETTING: Laboratory setting in Sydney, Australia. METHODS: Participants included 40 people with SCI living in the community who were randomly assigned into one of two RCT arms: MT (Swedish massage to upper body) or an active concurrent control (guided imagery (GI) relaxation). All participants received 30 min once a week of either massage or GI over 5 consecutive weeks. In addition to sociodemographic and injury factors, assessments and reliable measures including the short-form McGill Pain Questionnaire and Chalder's Fatigue Scale were validated. RESULTS: Chronic pain and fatigue were significantly reduced in the massage group when assessed at the end of 5 weeks (P<0.05), with large effect sizes. Interestingly, GI was as effective as MT in reducing pain and fatigue. Pain scores were reduced significantly over time in both MT and GI groups (P=0.049 and P=0.032, respectively). Total fatigue scores were also reduced in both MT and GI groups (P=0004 and P=0.037, respectively.)Conclusions:Massage and GI are both active treatments that provide potential clinical benefits for adults with SCI. Future research should clarify the role of massage and GI in managing pain and fatigue in SCI and assess outcomes into the longer-term.


Asunto(s)
Fatiga/epidemiología , Fatiga/terapia , Masaje/métodos , Manejo del Dolor/métodos , Dolor/epidemiología , Traumatismos de la Médula Espinal/epidemiología , Traumatismos de la Médula Espinal/terapia , Adulto , Fatiga/diagnóstico , Estudios de Factibilidad , Femenino , Humanos , Masculino , Persona de Mediana Edad , Dolor/diagnóstico , Dimensión del Dolor/métodos , Traumatismos de la Médula Espinal/diagnóstico , Resultado del Tratamiento
2.
Oral Dis ; 14(2): 131-7, 2008 Mar.
Artículo en Inglés | MEDLINE | ID: mdl-18302672

RESUMEN

INTRODUCTION: Linear epidermal nevi are sporadic hamartomatous alterations of the epidermis and superficial dermis that clinically appear as verrucous papules and plaques distributed in a linear pattern following Blaschko's lines. Their extent varies from unilateral involvement (nevus unius lateris) to extensive bilateral involvement (ichthyosis hystrix). Oral mucosal lesions have rarely been described. AIMS: We review the literature, focusing on the rare intraoral manifestations of linear epidermal nevus. CASE SERIES: We present a series of five new cases with oral mucosal involvement. Four cases had associated cutaneous lesions and one case had oral lesions exclusively. Histopathologic evaluation of lesional tissue in four cases showed hyperkeratosis, acanthosis, epithelial hyperplasia, and papillomatosis. Dental abnormalities, consisting of enamel hypoplasia and congenitally missing teeth, were noted in one patient adjacent to the oral lesions.


Asunto(s)
Dermatosis Facial/complicaciones , Hamartoma/complicaciones , Enfermedades de la Boca/complicaciones , Nevo/complicaciones , Adolescente , Niño , Preescolar , Dermatosis Facial/patología , Femenino , Hamartoma/patología , Humanos , Masculino , Persona de Mediana Edad , Enfermedades de la Boca/patología , Mucosa Bucal/patología , Nevo/patología
3.
Oral Oncol ; 37(6): 505-12, 2001 Sep.
Artículo en Inglés | MEDLINE | ID: mdl-11435177

RESUMEN

Currently, there is no consensus on the appropriate treatment for low-grade oral dysplasia. This is mainly due to the difficulty in predicting outcome for this heterogeneous group of lesions. In this study, we constructed a detailed clinical history of 66 mild and moderate dysplasias in order to determine how treatment affected outcome, and to evaluate the effect of treatment on lesions with different genetic profiles, which are defined by patterns of loss of heterozygosity (LOH) associated with low, intermediate and high risk of progression [Clin. Cancer Res., 6, 357-62, 2000]. The results showed that although treatment guided by clinical removal of leukoplakia reduced cancer progression risk in all three risk groups, the amount of reduction in our study group did not reach statistical significance. To assess whether completeness of lesion removal was a major factor in recurrence, repeat biopsies at the primary sites were analyzed for persistent LOH status on chromosomes 3p, 4q, 8p, 9p, 11q, 13q and 17p. Strikingly, eight of 17 cases judged clinically removed contained the same molecular clones in the initial and subsequent biopsies, suggesting incomplete removal. When molecular information was included in the assessment of lesion removal, treatment significantly reduced the risk of progression for cases with intermediate (P=0.043) and high risk (P=0.001) genetic profiles, but not cases with low-risk profiles. A 9.1-fold decrease in progression risk was observed for those with high-risk profile. Altogether, these data suggest the use of molecular profiles to guide the treatment of low-grade dysplasia. Our data also suggest that currently an inadequate margin may in part be responsible for the high rate of recurrence, especially in high-risk lesions.


Asunto(s)
Leucoplasia Bucal/genética , Pérdida de Heterocigocidad , Neoplasias de la Boca/genética , Adulto , Anciano , Anciano de 80 o más Años , Antineoplásicos/uso terapéutico , Bleomicina/uso terapéutico , Carcinoma de Células Escamosas/genética , Carcinoma de Células Escamosas/patología , Progresión de la Enfermedad , Femenino , Estudios de Seguimiento , Marcadores Genéticos , Humanos , Terapia por Láser , Leucoplasia Bucal/patología , Leucoplasia Bucal/cirugía , Masculino , Persona de Mediana Edad , Neoplasias de la Boca/patología , Neoplasias de la Boca/cirugía , Estudios Retrospectivos
4.
Lab Invest ; 80(2): 233-7, 2000 Feb.
Artículo en Inglés | MEDLINE | ID: mdl-10701692

RESUMEN

Oral lichen planus (OLP) is a common mucosal condition that is considered premalignant by some, whereas others argue that only lichenoid lesions with epithelial dysplasia are at risk of progressing into oral carcinoma. A recent study from this laboratory used microsatellite analysis to evaluate OLP for loss of heterozygosity (LOH) at loci on three chromosomal arms (3p, 9p, and 17p) (Am J Path 1997;Vol151:Page323-Page327). Loss on these arms is a common event in oral epithelial dysplasia and has been associated with risk of progression of oral leukoplakia to cancer. The data showed that, although dysplastic epithelium demonstrated a high frequency of LOH (40% for mild dysplasia), a significantly lower frequency of LOH was noted in OLP (6%), which is even lower than that in hyperplasia (14%). Such results do not support OLP as a lesion at risk for malignant transformation. As a second step of the research, we determined LOH frequencies in 61 dysplastic lichenoid lesions (mild 35; moderate 19; severe 7) using the same microsatellite markers and compared these results with data obtained from the first study and from 13 normal mucosal specimens. Dysplastic lichenoid lesions showed a high frequency of loss (54% for lichenoid lesions with mild dysplasia), but values did not differ significantly from those observed in dysplasia of similar degree without lichenoid appearance. None of the normal mucosa demonstrated LOH. Epithelial dysplasia is a sign of malignant risk, independent of lichenoid changes. Such results suggest that pathologists should search for dysplasia carefully in lesions that otherwise qualify as OLP and that caution should be used when discounting dysplasia as being merely a reactive condition in lichenoid lesions.


Asunto(s)
Alelos , Liquen Plano Oral/genética , Pérdida de Heterocigocidad , Adulto , Humanos , Persona de Mediana Edad
5.
Clin Cancer Res ; 6(2): 357-62, 2000 Feb.
Artículo en Inglés | MEDLINE | ID: mdl-10690511

RESUMEN

One of the best approaches to identifying genetic changes critical to oral cancer progression is to compare progressing and nonprogressing oral premalignant lesions. However, such samples are rare, and they require long-term follow-up. The current study used the large archive network and clinical database in British Columbia to study loss of heterozygosity (LOH) in cases of early oral premalignancies, comparing those with a history of progression to carcinoma in situ or invasive cancer and those without a history of progression (referred to as nonprogressing cases). Each of 116 cases was analyzed for LOH at 19 microsatellite loci on seven chromosome arms (3p, 4q, 8p, 9p, 11q, 13q, and 17p). The progressing and nonprogressing cases showed dramatically different LOH patterns of multiple allelic losses. An essential step for progression seems to involve LOH at 3p and/or 9p because virtually all progressing cases showed such loss. However, LOH at 3p and/or 9p also occurred in nonprogressing cases. Individuals with LOH at 3p and/or 9p but at no other arms exhibit only a slight increase of 3.8-fold in relative risk for developing cancer. In contrast, individuals with additional losses (on 4q, 8p, 11q, or 17p), which appeared uncommon in nonprogressing cases, showed 33-fold increases in relative cancer risk. In conclusion, analysis of LOH at 3p and 9p could serve as an initial screening for cancer risk of early premalignancies. Follow-up investigation for additional losses would be essential for predicting cancer progression.


Asunto(s)
Mapeo Cromosómico , Pérdida de Heterocigocidad , Mucosa Bucal/patología , Neoplasias de la Boca/genética , Neoplasias de la Boca/patología , Lesiones Precancerosas/genética , Lesiones Precancerosas/patología , Cromosomas Humanos Par 11 , Cromosomas Humanos Par 13 , Cromosomas Humanos Par 17 , Cromosomas Humanos Par 3 , Cromosomas Humanos Par 4 , Cromosomas Humanos Par 8 , Cromosomas Humanos Par 9 , Progresión de la Enfermedad , Femenino , Humanos , Masculino , Repeticiones de Microsatélite , Persona de Mediana Edad , Valor Predictivo de las Pruebas , Estudios Retrospectivos , Factores de Riesgo
6.
Tidsskr Nor Laegeforen ; 119(22): 3257-9, 1999 Sep 20.
Artículo en Noruego | MEDLINE | ID: mdl-10533405

RESUMEN

During the ten-year period 1987-96, 131 diagnostic percutaneous transhepatic cholangiographies (PTC) were performed in 103 patients due to obstructive jaundice. 54 cases of percutaneous transhepatic bile drainage (endoprosthesis) (PTBD) and 53 of percutaneous transhepatic external drainage (PTED) were also performed. In 89 patients (86%) the obstructive jaundice was caused by malignant disease. Puncture was done under fluoroscopic or ultrasonographic control. An 8 Fr. plastic endoprosthesis of 15 cm length was used for internal bile drainage, and a 7.6 Fr. 60 cm long catheter was used for external drainage. For combined external/internal drainage an 8.4 Fr. catheter of 60 cm length was used. 24 patients (23%) developed complications. Eight of these complications were serious, and three patients (2.5%) died as a result of the procedure. Three patients developed duodenal perforations. 11 out of 51 patients (20%) treated with endoprosthesis died within 30 days. Mean functioning time for endoprostheses was 128 days. Progress in radiologic intervention technique has changed the treatment of obstructive jaundice. In our view, endoscopic bile drainage should be the treatment of choice. Percutaneous transhepatic bile drainage is an alternative in cases where endoscopic therapy fails.


Asunto(s)
Colangiografía , Colestasis Intrahepática/diagnóstico por imagen , Adulto , Anciano , Neoplasias de los Conductos Biliares/complicaciones , Neoplasias de los Conductos Biliares/diagnóstico por imagen , Conductos Biliares Intrahepáticos/diagnóstico por imagen , Bilirrubina/sangre , Colangiocarcinoma/complicaciones , Colangiocarcinoma/diagnóstico por imagen , Colangiografía/efectos adversos , Colangiografía/métodos , Colangiografía/estadística & datos numéricos , Colestasis Intrahepática/etiología , Colestasis Intrahepática/cirugía , Drenaje , Femenino , Hospitales Comunitarios , Humanos , Masculino , Persona de Mediana Edad , Noruega , Neoplasias Pancreáticas/complicaciones , Neoplasias Pancreáticas/diagnóstico por imagen , Implantación de Prótesis
7.
Artículo en Inglés | MEDLINE | ID: mdl-9768420

RESUMEN

Sixteen cases of caliber-persistent labial artery of the lips have been reported to date in the English literature. Six of these were clinically misdiagnosed as squamous cell carcinoma and treated with wedge resection. To date, we have seen 187 cases clinically and an additional 23 cases through our surgical oral pathology services. Careful clinical observation usually reveals a soft linear or papular bluish elevation above the labial mucosal surface. The unique feature is pulsation--not simply pulsation toward and away from the observer, which can be caused by an underlying artery, but lateral pulsation, which only an artery can exhibit. All but 2 of our 187 clinical cases were asymptomatic. To the best of our knowledge, this is the first report of caliber-persistent labial artery of the upper lip. The upper:lower lip ratio for the clinical cases was almost 2:1. Three times as many lower lip as upper lip lesions were biopsied. Males and females were almost equally affected (clinical cases, 76:86; histopathologic cases, 9:13). Although a vascular term (artery, hemangioma, phlebolith, varix, vascular malformation) was used on the biopsy form in one half of the clinical differential diagnoses, none of the clinical histories mentioned pulsation. In contrast to the cases of Miko et al. in 1980 and 1983, none of our cases manifested itself as an ulcer, nor was carcinoma ever mentioned in the clinical differential diagnosis. The purpose of this article is to familiarize clinicians and pathologists with the clinical and histopathologic features of this seldom reported but common vascular anomaly. Clinicians should carefully look for lateral pulsation in lip mucosal papules so as to avoid unnecessary surgery and intraoperative arterial bleeding. Pathologists should recognize that a relatively large-caliber superficial artery in a lip biopsy may not be an incidental finding but rather the clinical lesion that was biopsied.


Asunto(s)
Arterias/anomalías , Labio/irrigación sanguínea , Adulto , Anciano , Anciano de 80 o más Años , Diagnóstico Diferencial , Femenino , Humanos , Masculino , Persona de Mediana Edad , Mucosa Bucal/irrigación sanguínea , Flujo Pulsátil
9.
Biochem Mol Med ; 57(1): 64-6, 1996 Feb.
Artículo en Inglés | MEDLINE | ID: mdl-8812727

RESUMEN

This study was designed to test the effect of supplementation of several antioxidants, including alpha-tocopherol, on the clinical reduction of premalignant oral lesions. Samples of oral mucosa and serum were taken from baseline to 9 months of supplementation from patients with premalignant oral lesions and analyzed for alpha-tocopherol by HPLC. Statistical increases in both serum and tissue alpha-tocopherol were found after supplementation. There was no statistical relationship between alpha-tocopherol and beta-carotene levels.


Asunto(s)
Enfermedades de la Boca/tratamiento farmacológico , Mucosa Bucal/patología , Lesiones Precancerosas/tratamiento farmacológico , Femenino , Humanos , Masculino , Enfermedades de la Boca/patología , Lesiones Precancerosas/patología , Factores Sexuales , Resultado del Tratamiento , beta Caroteno/sangre , beta Caroteno/metabolismo , beta Caroteno/uso terapéutico
10.
Artículo en Inglés | MEDLINE | ID: mdl-8665313

RESUMEN

The clinical implications and prognostic significance of oral dysplastic or cancerous epithelium involving salivary gland ducts have not been previously investigated. Screened routine tissue sections of 1216 cases of oral epithelial dysplasias and squamous cell carcinomas revealed 26 examples (2.14%) that exhibited unequivocal ductal involvement. Ductal involvement was more likely to occur in floor of mouth lesions and in lesions exhibiting severe dysplasia or carcinoma in situ. Clinical follow-up on 23 cases showed that the recurrence rate of the preinvasive lesions that exhibited ductal involvement was equal to that of the squamous cell carcinomas. The depth of ductal dysplasia did not correlate with recurrence rate. These results suggest that the involvement of salivary gland ducts by oral epithelial dysplasias and carcinomas in situ is an uncommon but significant finding. Surgical stripping or ablation of such lesions should extend at least 3 mm below the surface to ensure eradication of these reservoirs of dysplastic cells.


Asunto(s)
Carcinoma de Células Escamosas/patología , Neoplasias de la Boca/patología , Lesiones Precancerosas/patología , Conductos Salivales/patología , Anciano , Membrana Basal/patología , Carcinoma/patología , Carcinoma/cirugía , Carcinoma in Situ/patología , Carcinoma in Situ/cirugía , Carcinoma de Células Escamosas/cirugía , Carcinoma Verrugoso/patología , Carcinoma Verrugoso/cirugía , Epitelio/patología , Epitelio/cirugía , Femenino , Estudios de Seguimiento , Humanos , Masculino , Persona de Mediana Edad , Suelo de la Boca/patología , Neoplasias de la Boca/cirugía , Recurrencia Local de Neoplasia/patología , Lesiones Precancerosas/cirugía , Pronóstico , Estudios Retrospectivos , Conductos Salivales/cirugía
11.
Artículo en Inglés | MEDLINE | ID: mdl-8850475

RESUMEN

An increasing public awareness of antioxidants may prompt a patient's request to be treated without surgery if a leukoplakic lesion is discovered. However, surgical excision remains the treatment of choice for oral leukoplakia. The use of antioxidant supplements has shown some promise, but the predictability of success remains uncertain and long-term results are unavailable. Before the decision to use any antioxidant is made, it is critical to obtain a histopathologic diagnosis of the lesion. When dealing with a lesion diagnosed as hyperkeratosis, it may be appropriate to choose an antioxidant that may take some time for clinical improvement to occur. However, as the grade of epithelial dysplasia becomes more severe, consideration must be given to the possibility of malignant transformation during antioxidant treatment. We do not recommend the use of antioxidant supplements in the treatment of any carcinoma. The therapeutic use of antioxidant supplements outside of clinical trials conducted at academic medical centers should be done with considerable caution by practitioners in private practice. It should be emphasized that in these clinical trial patients were seen at frequent intervals to monitor their progress and to intervene if there was a noticeable deterioration in the clinical appearance of the lesion. In spite of the uncertainty with respect to antioxidant treatment, there are circumstances in which it should be considered. Recurrence after surgical excision when there is little reason to believe that a second surgical excision would be any more successful is an ideal candidate. Also, patients with widespread leukoplakia that involves a large area of the oral mucosa might be suitable for treatment with antioxidants, as well as patients who have extensive medical problems that make them surgical risks. The choice of which antioxidant(s) to use is complex because thus far there is no combination that is superior to the others. Beta-carotene with ascorbic acid or alpha-tocopherol is attractive because of a lack of side effects, but the range in reported values for lesion improvement has been broad and the clinical improvement typically takes several months. Clinical response with 13-cRA is faster but requires baseline and periodic serologic testing, as well as close monitoring for side effects. In those circumstances in which time is an important consideration, 13-cRA might be useful because clinical improvement can be evaluated within a matter of weeks as compared with beta-carotene. The group from M.D. Anderson Hospital has shown the value of an induction dose of 13-cRA that is followed by a lower maintenance dose. Unfortunately, the problem of recurrence after discontinuation of 13-cRA is quite common. One aspect that has not been evaluated is the combination of conventional surgical excision and the administration of postoperative antioxidants. This would have the obvious advantage of conventional treatment of surgery together with the possible protective effect of the antioxidants. Although this is an attractive hypothesis, we do not know of any studies that have proven this to be beneficial.


Asunto(s)
Antioxidantes/uso terapéutico , Isotretinoína/uso terapéutico , Leucoplasia Bucal/tratamiento farmacológico , Animales , Antioxidantes/administración & dosificación , Carcinoma/patología , Transformación Celular Neoplásica/patología , Quimioterapia Adyuvante , Ensayos Clínicos como Asunto , Combinación de Medicamentos , Humanos , Queratolíticos/uso terapéutico , Leucoplasia Bucal/patología , Leucoplasia Bucal/cirugía , Neoplasias de la Boca/patología , Recurrencia
12.
Artículo en Inglés | MEDLINE | ID: mdl-7552867

RESUMEN

We present a case of a young female patient who for 8 years was believed to have discoid lupus erythematosus of the skin and oral mucosae. Only after her infant son had a near-fatal pulmonary infection was the diagnosis of chronic granulomatous disease made and her lupus erythematosus-like mucocutaneous lesions recognized as manifestations of her carrier status for chronic granulomatous disease. The purpose of this report is to raise awareness of and better characterize the mucocutaneous manifestations of carriers of chronic granulomatous disease. Early identification of carriers permits genetic counseling and prenatal diagnosis and forewarns pediatricians so that they can provide better care for affected infants.


Asunto(s)
Enfermedad Granulomatosa Crónica/diagnóstico , Lupus Eritematoso Discoide/diagnóstico , Enfermedades de la Boca/diagnóstico , Adulto , Diagnóstico Diferencial , Femenino , Enfermedad Granulomatosa Crónica/complicaciones , Enfermedad Granulomatosa Crónica/patología , Heterocigoto , Humanos , Lactante , Masculino , Enfermedades de la Boca/etiología , Enfermedades de la Boca/patología , Mucosa Bucal/patología , Piel/patología , Cromosoma X
13.
Oral Surg Oral Med Oral Pathol ; 78(4): 462-8, 1994 Oct.
Artículo en Inglés | MEDLINE | ID: mdl-7800378

RESUMEN

Seventy-nine patients with oral leukoplakia that was histologically verified as either hyperkeratosis or epithelial dysplasia with hyperkeratosis were enrolled in an antioxidant supplementation program for the treatment of the oral lesions. The patients received 30 mg of beta-carotene, 1000 mg of ascorbic acid, and 800 IU of alpha-tocopherol per day for 9 months. Clinical improvement of the oral lesion was noted in 55.7% of the patients and was more likely to occur in patients who reduced their use of alcohol or tobacco (p = 0.0056). Although risk-factor reduction was important, approximately half of the patients who did not alter their exposure to either alcohol or tobacco showed clinical improvement. The antioxidant supplementation significantly increased serum and tissue levels of beta-carotene, ascorbic acid, and alpha-tocopherol, but these changes did not correlate strongly with clinical improvement.


Asunto(s)
Antioxidantes/uso terapéutico , Ácido Ascórbico/uso terapéutico , Carotenoides/uso terapéutico , Leucoplasia Bucal/tratamiento farmacológico , Vitamina E/uso terapéutico , Adulto , Anciano , Anciano de 80 o más Años , Consumo de Bebidas Alcohólicas , Ácido Ascórbico/sangre , Carotenoides/sangre , Femenino , Humanos , Masculino , Persona de Mediana Edad , Factores de Riesgo , Fumar , Resultado del Tratamiento , Vitamina E/sangre , beta Caroteno
14.
Biochem Med Metab Biol ; 51(1): 55-60, 1994 Feb.
Artículo en Inglés | MEDLINE | ID: mdl-8192917

RESUMEN

Interest in beta-carotene (BC) has increased as studies show that low dietary or serum BC is associated with increased risk of cancer. Patients with oral epithelial dysplasia had serum and oral mucosa punch biopsy samples taken before supplementation of 30 mg/day of beta-carotene and after 6 and 9 months of supplementation. BC was analyzed for 28 patients by high-performance liquid chromatography. At baseline, serum BC and gender accounted for 48% of tissue BC variance: Tissue BC = -0.13 + 0.08(Serum BC) + 1.21(Sex) with sex as male = 0 or female = 1. Following supplementation, serum BC had an exponential relationship to tissue BC which accounted for 52% of tissue variance: Tissue BC = 1.15 + 5.7 x 10(-5)(Serum BC)2 + 3.91(Sex). Women had higher mean concentrations of serum and oral mucosal BC before and during supplementation. The need for oral mucosal sampling may be eliminated by the correlation between serum and tissue BC.


Asunto(s)
Carotenoides/análisis , Enfermedades de la Boca/metabolismo , Mucosa Bucal/química , Carotenoides/administración & dosificación , Carotenoides/sangre , Cromatografía Líquida de Alta Presión , Femenino , Humanos , Masculino , Modelos Teóricos , Factores Sexuales , beta Caroteno
16.
Oral Surg Oral Med Oral Pathol ; 76(4): 480-3, 1993 Oct.
Artículo en Inglés | MEDLINE | ID: mdl-8233429

RESUMEN

Only 14 cases of caliber-persistent labial artery of the lower lip have been reported to date. Six of these were misdiagnosed and treated as squamous cell carcinoma, another as a mucocele. The correct diagnosis emerged only after the wedge resections were examined histopathologically. We report the first cases of caliber-persistent labial artery to be diagnosed clinically since the original description of the condition by Howell and Freeman in 1973. Our first case was a nonpulsatile hard, linear, "gooseneck lamp" submucosal nodule of the lower lip. On the basis of an initial misdiagnosis of sclerosing sialadenitis, a biopsy was attempted. Brisk pulsatile bleeding proved the lesion to be an artery, and the superficial location and large diameter of the vessel lead to the clinical diagnosis of caliber-persistent labial artery. The "gooseneck lamp" hardening is typical of Monckeberg's arteriosclerosis. The second case was a pulsatile blue linear submucosal nodule of the lower lip. The clinical diagnosis of caliber-persistent labial artery was confirmed when angiography showed the lesion to be an abnormally dilated labial artery. Both cases were successfully ligated with no complications at 16 and 10 months after surgery.


Asunto(s)
Arterias/anomalías , Labio/irrigación sanguínea , Adulto , Femenino , Humanos , Masculino , Persona de Mediana Edad
17.
J Cell Biochem Suppl ; 17F: 292-8, 1993.
Artículo en Inglés | MEDLINE | ID: mdl-8412207

RESUMEN

Over the past twenty years, research into the role of antioxidants in the prevention of cancer has increased dramatically. The use of antioxidant supplements to treat oral leukoplakia has gained acceptance due to the success demonstrated in several clinical trials. This review discusses the role of antioxidants in the development of cancer and their possible use in the treatment of oral leukoplakia.


Asunto(s)
Antioxidantes/uso terapéutico , Leucoplasia Bucal/tratamiento farmacológico , Animales , Humanos
18.
J Can Dent Assoc ; 58(8): 647-52, 1992 Aug.
Artículo en Inglés | MEDLINE | ID: mdl-1504904

RESUMEN

The Canadian Academy of Oral Pathology conducted a survey of its active members to obtain information on their demographics, professional activities and university affiliations, and to assess Canada's present and future oral pathology needs. Data were also collected on Canadian oral pathology diagnostic biopsy services. This paper reports the salient findings of the survey, and discusses their implications for the specialty of oral pathology as well as for the Canadian dental community.


Asunto(s)
Diagnóstico Bucal , Patología , Especialidades Odontológicas , Adulto , Canadá , Diagnóstico Bucal/estadística & datos numéricos , Escolaridad , Docentes de Odontología/estadística & datos numéricos , Femenino , Humanos , Masculino , Patología/estadística & datos numéricos , Práctica Profesional/estadística & datos numéricos , Investigación , Especialidades Odontológicas/estadística & datos numéricos , Encuestas y Cuestionarios , Enseñanza , Recursos Humanos
19.
J Forensic Sci ; 37(4): 959-68, 1992 Jul.
Artículo en Inglés | MEDLINE | ID: mdl-1506838

RESUMEN

The possibility of exposure to cocaine as a result of analyzing it or handling material contaminated by it has been a major concern of laboratory personnel. Several different work environments and simulated situations were examined to assess the likelihood of this type of exposure occurring. Urine specimens were collected and evaluated for cocaine and benzoylecgonine using the Syva ETS System (EMIT). Each specimen was analyzed for the two substances using gas chromatography/mass spectrometry (GC/MS). Urine specimens of laboratory-management personnel not working with drug samples showed no trace of cocaine or benzoylecgonine. A urinary benzoylecgonine level of 227 ng/mL was found in the specimen from one narcotics criminalist who was working on a routine case of 2 kilos of cocaine hydrochloride in the Narcotics Laboratory. A maximal urinary benzoylecgonine concentration of 1570 ng/mL was determined in the urine specimen from one narcotics criminalist who was sampling a case containing 50 kilos of cocaine hydrochloride over a period of 3 h. Decreasing the levels of airborne cocaine dust appears to minimize the amount of cocaine absorbed by the criminalists. Gloves, face masks, and goggles prove to be effective in minimizing exposure.


Asunto(s)
Cocaína , Medicina Legal , Personal de Laboratorio Clínico , Exposición Profesional , Contaminación del Aire Interior , Cocaína/análogos & derivados , Cocaína/orina , Polvo , Cromatografía de Gases y Espectrometría de Masas , Humanos , Técnicas para Inmunoenzimas , Exposición Profesional/prevención & control , Equipos de Seguridad
20.
Ther Hung ; 40(1): 28-30, 1992.
Artículo en Inglés | MEDLINE | ID: mdl-1585281

RESUMEN

The effect of the dopamine receptor blocking domperidone (Motilium) has been examined in 73 gynaecological patients in a wide indication field. The treatment was successful in controlling dyspeptic symptoms of different origins, nausea-vomiting of different etiologies, climacteric flushes, and in the prevention of migraines in 67.1% of the cases. Partial response was obtained in 19.2%, and no response in 13.7% of the cases. According to the opinion of the authors the gastrokinetic and antiemetic effect of domperidone is of high value, the use of the drug may be attempted as a monotherapy or an adjuvant therapy for the prevention of migraine and the treatment of climacteric flushes.


Asunto(s)
Climaterio/efectos de los fármacos , Domperidona/uso terapéutico , Enfermedades Gastrointestinales/tratamiento farmacológico , Trastornos Migrañosos/prevención & control , Adulto , Evaluación de Medicamentos , Dispepsia/tratamiento farmacológico , Femenino , Humanos , Persona de Mediana Edad , Náusea/prevención & control , Complicaciones Posoperatorias/prevención & control , Vómitos/prevención & control
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