Chondromyxoid fibroma (CF) is a benign bone tumor of cartilaginous origin and is considered the least common of cartilage-derived neoplasms. The lesion's most frequent location is in long bones, while involvement of craniofacial skeleton is extremely unusual. It generally appears in the second and third decade of life and most frequent in men. We present the case of a 68-year-old female with a CF of the zygomatic region. The resection of the tumor and reconstruction of the defect is described.
Gingival enlargement can be an adverse effect of ciclosporine A and nifedipine use. It has a high relapse rate if the drugs are not discontinued.There is a genetic predisposition to the development of this condition and dental biofilm can also play a role. We report a 64 years old male who received a renal allograft and was treated with cyclosporine and nifedipine. He required six surgical interventions for generalized gingival enlargement. After the sixth relapse, the patient was subjected to a periodontal treatment to eliminate the dental biofilm, which decreased the rate of recurrence of gingival enlargement (Rev Méd Chile 2007; 135: 370-74 M uchas de las enfermedades sistémicas y de las terapias farmacológicas indicadas en ellas, tienen repercusiones en la cavidad oral. Es así como algunos fármacos como anticonvulsivantes (fenitoína), inmunosupresores (ciclosporina A) y bloqueadores de canales de calcio (nifedipino, verapamil, diltiazem y valproato sódico) se vinculan a la aparición de agrandamientos gingivales. Algunos autores recomiendan cambiar el término hiperplasia por el de agrandamiento gingival, ya que el incremento en el tamaño del tejido es debido a un aumento en su estroma y no al número de sus células constituyentes 1 , término que ocuparemos para este trabajo. Se define como agrandamiento gingival al aumento exagerado y desfigurante del volumen de la encía, asociándose su aparición principalmente a fármacos 2,3 .Se describe que 30% de los pacientes que toman ciclosporina A desarrollan agrandamiento gingival, con una alta tasa de recidiva, aumentando su prevalencia al doble al encontrarse junto a nifedipino 4 , no poseyendo una etiología única, sino una serie de factores asociados 5,6 . Si bien es aceptada su relación directa con fármacos y el factor genético, entre otros, el rol del biofilm bacteriano (placa dental) ha sido controvertido [5][6][7][8][9] .La ciclosporina A es un potente inmunosupresor del grupo de inhibidores de la calcineurina, junto al tacrolimo, que actúa principalmente sobre el linfocito T por el bloqueo de la interleuquina 2. Indirectamente, altera la función monocitaria por la supresión de una variedad de linfoquinas del
According to the Body Mass Index, overweight and obesity in adolescents has increased. Review of clinical trials to determine the effect on adolescents' Body mass index with twelve weeks of exercise compared to a control group. PUBMED, WOS, SCOPUS, BEIC, JSTOR, and SCIELO data sources. Inclusion criteria: 1. Adolescent population; 2. Body mass index results; 3. Clinical trials; 4. groups with exercise and control; 5. Spanish, English, and Portuguese language; 6. Publications up to February 2021; Keywords: Adolescents, Body Mass Index, Exercise and Clinical Trial. Data extraction: effect on the Body mass index and its standard deviation. 8 studies (N: 761). Exercise significantly reduced the Body mass index of adolescents -0.57 Kg/m² (-0.7 to -0.5) p < 0.01. Statistical heterogeneity (I²: 89%). 12 weeks of exercise are effective at decreasing Body mass index in adolescents.
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