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1.
Rev. chil. cir ; 65(6): 525-529, dic. 2013. ilus, tab
Article in Spanish | LILACS | ID: lil-698647

ABSTRACT

Background: Oral and Maxillofacial injuries are an important problem at public health services, due to the anatomical complexity of the involved areas and committed aesthetic factor. Aim: To determine and analyze the etiology, frequency, location and treatment of patients with maxillofacial trauma at a Chilean regional Hospital between 2004 and 2011. Material and Methods: Review of medical records of 343 patients aged 0 to 87 years (258 males) treated for maxillofacial trauma. Results: Physical aggression was the main etiologic factor in 35 percent of patients, followed by falls and sports injuries in 27 and 16 percent of cases respectively. The most commonly damaged structure was the dentoalveolar area in 43 percent of patients, followed by mandibular and malar lesions in 31 and 12 percent of cases. Twenty two percent of patients required an open reduction with osteosynthesis as treatment. Discussion: Maxillofacial trauma was more common in males. The main etiologic factor was physical aggression and the most affected damaged structure was the dentoalveolar area. Osteosynthesis was required for treatment in 22 percent of cases...


Introducción: Las lesiones máxilofaciales son un problema de relevancia dentro de los servicios hospitalarios dada la complejidad anatómica de las zonas que involucra y el factor estético que compromete. Objetivo: Determinar y analizar la etiología, frecuencia, localización y tratamientos de pacientes con traumatismo máxilofacial en un hospital regional de Chile entre los años 2004-2011. Metodología: En un estudio descriptivo de serie de casos se evaluó registros de 343 pacientes diagnosticados y tratados por trauma máxilofacial. Los datos obtenidos fueron ingresados y analizados en el programa Epi Info y se agruparon en tablas de distribución y gráficos. Resultados: El promedio de edad fue de 27 años y la relación hombre-mujer de 3: 1. L as agresiones se presentaron como la principal causa (3 5 por ciento) y las estructuras más afectadas fueron las dentoalveolares (43 por ciento). Discusión: La mayor proporción de traumatismos máxilofaciales se observó en las primeras décadas de vida y fueron más frecuentes en hombres. El principal factor etiológico fue la agresión y la estructura más dañada, la dentoalveolar, seguida por fracturas mandibulares y cigomáticas. El tratamiento de elección fue la reducción abierta y osteosíntesis con placas y tornillos...


Subject(s)
Humans , Male , Adolescent , Adult , Female , Infant, Newborn , Infant , Child, Preschool , Child , Young Adult , Middle Aged , Aged, 80 and over , Maxillofacial Injuries/surgery , Maxillofacial Injuries/epidemiology , Age and Sex Distribution , Chile , Epidemiology, Descriptive , Fracture Fixation, Internal , Maxillofacial Injuries/etiology
2.
Rev. otorrinolaringol. cir. cabeza cuello ; 71(2): 167-170, ago. 2011. ilus
Article in Spanish | LILACS | ID: lil-612116

ABSTRACT

Los quistes dermoides son malformaciones que ocurren en el ¨¢rea de cabeza y cuello con una frecuencia de 1,6 por ciento a 6,9 por ciento. Histol¨®gicamente podemos clasificarlos en epidermoide, dermoide o teratoide. Presentamos un caso de un paciente de sexo masculino, quien se present¨® en nuestro hospital con un quiste preauricular, que fue enucleado y confirmado histopatol¨®gicamente como quiste epidermoide.


Dermoid cysts are malformations occurring in the head and neck region with an incidence ranging from 1.6 percent to 6.9 percent. Histologically, they can be further classified as epidermoid, dermoid or teratoid. We report a case of adult male who presented at our hospital with a preauricular cyst; it was excised and confirmed histopathologically as an epidermoid cyst.


Subject(s)
Humans , Male , Adult , Ear, External , Epidermal Cyst/surgery , Epidermal Cyst/diagnosis , Treatment Outcome
4.
Rev. méd. Chile ; 127(11): 1385-97, nov. 1999. graf
Article in Spanish | LILACS | ID: lil-257999

ABSTRACT

DNA ploidy and cell cycle analysis by flow cytometry is used to obtain additional information about the diagnosis and prognosis of different types of cancer. However, there are several disagreements among authors about the tissue source (fresh-frozen or paraffin embedded), cellular dissociation methods (mechanical, enzymatic or other), use of different dyes, lasers, analysis software with different mathematical models and interpretation of results. A discussion about the different aspects that affect the study of DNA ploidy and cell cycle and a consensus in publications is mandatory. A strict control of analysis processes and data interpretation is also necessary


Subject(s)
Humans , DNA/analysis , Flow Cytometry/methods , Ploidies , Cell Cycle/physiology , Fluorescent Dyes/classification , Flow Cytometry/instrumentation
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