SUMMARY:Knowing the dimensions of the vertebral elements is very important for the development of instrumentation related to the cervical spine. Ethnic variations have been reported in these dimensions and, to date, there have been no morphometric studies of this area performed on the Mexican population. We conducted a morphometric study of 150 cervical vertebrae (C3-C7) obtained from a northeastern Mexican population to determine the dimensions of the bodies, pedicles, laminae, spinous processes, and superior and inferior articular processes. We did not find significant differences (p<0.05) in measurements taken of the left and right sides. The dimensions of the vertebral bodies were larger at lower levels. The pedicles of the C3 vertebra were larger in all dimensions compared to the other vertebrae. The largest height of the laminae was observed at C7 and the largest transverse length was observed at C5. The dimensions of the bodies, spinous processes, and laminae increased from C3-C7, whereas the dimensions of the pedicles and superior and inferior articular process height decreased toward the lower cervical levels.

Objectives. The treatment of keloid scars is based on multiple lines of therapy, with varying levels of efficacy (1) , and there is currently no single treatment that guarantees cure and prevents recurrence. In the pediatric population, the treatments used are not standardized, and there is insufficient evidence to support efficacy and complications. The objective of this study was to analyze the patients who required brachytherapy as an adjuvant to surgical resection in recurrent keloid scars.Materials and methods. A retrospective analysis of patients diagnosed with keloids and undergoing adjuvant brachytherapy in our institution was carried out, while assessing efficacy and implementation in our treatment protocol for keloid scarring.Results. After various therapeutic lines, 4 patients aged 9-17 years old with recurrent keloid scars around the ear and eligible for adjuvant brachytherapy -administered after surgical resection, in two sessions -were studied and followed up for up to 18-21 months.Conclusions. Despite our limited experience in the use of adjuvant brachytherapy, the results obtained to date support its efficacy, as reported in the literature. We therefore consider its inclusion in the treatment of keloid scars that have recurred after other treatments to be appropriate.

Objetivo: Determinar la prevalencia de infección por el virus del papiloma humano (VPH) en la población femenina, sin aparentes factores de riesgo, que espontáneamente acude a realizarse la prueba de Papanicolaou en el Hospital Universitario Dr. José E. González durante el periodo 2006 - 2010. Material y métodos: Se realizó un estudio observacional, transversal, prospectivo, analítico comparativo en 361 pacientes, las cuales espontáneamente solicitaron una prueba de citología vaginal. Resultados: Se estudiaron un total de 361 mujeres, de las cuales se eliminaron 18 (5%) por no haberse obtenido muestra suficiente, quedando una muestra final significativa de 343 pacientes, demostrando infección por VPH de cualquier tipo en 51 pacientes (14,9%), se observó mayor prevalencia en el grupo de divorciadas positivas (11,8%), con respecto al de divorciadas negativas del 3,1%, (p=0,0152), se estableció una correlación significativa (p=0,001) entre el número de parejas sexuales y la positividad de la prueba (Rho=0,175), así como una asociación significativa entre la característica de ser divorciada y ser positiva (p=0,0152, X2=5,888). Discusión: La exploración ginecológica normal no descarta la presencia de VPH e igualmente, una citología normal o con cambios inflamatorios inespecíficos, tampoco permite concluir la ausencia de VPH, de tal manera que la detección temprana de infección por VPH requiere métodos moleculares de diagnóstico. Podemos concluir que con los métodos tradicionales de diagnóstico, no es posible detectar todas las pacientes infectadas con VPH, por lo cual sería deseable practicar pruebas moleculares para diagnóstico de la infección.