Hook nail deformity repaired using a composite toe graft.

The hook nail deformity is caused by loss of fingertip bone and soft tissue. Healing can result in a volarly displaced distal nailbed and a tight tip with inadequate padding and a poor cosmetic appearance. A composite graft from the second toe placed beneath the released nailbed gives good support and improved pulp substance. The technique of the composite toe graft has been performed in nine patients. All grafts were 100 percent viable, but one patient required a second graft for additional tip bulk. There has been no donor-site morbidity in the follow-up of 1 month to 2 years.     

荧光染色法和传统KOH湿片法在甲真菌病诊断中的应用比较

目的探讨真菌荧光染色法与传统KOH湿片法在临床甲真菌镜检中的应用效果。方法选择2017年6月至2018年4月我院600例皮肤科门诊就诊疑似真菌感染患者指(趾)甲镜检标本,分别运用荧光染色法和KOH湿片法对这些标本进行检测,记录实验数据,并对检测结果进行比较。结果荧光染色法检测阳性为418例,阳性率为70%,其中指甲阳性130例,趾甲阳性288例。KOH湿片法检测阳性为354例,阳性率为59%,其中指甲97例,趾甲257例。指甲(χ²=8.816,P=0.003)、趾甲(χ²=7.884,P=0.005)及总阳性率(χ²=14.876,P<0.001)在两种方法中差异均有统计学意义。结论在对指(趾)甲真菌感染的诊断中,荧光染色法的阳性检出率明显高于KOH湿片法,是一种快速、准确的真菌镜检方法,值得临床推广使用。     

Congenital synostosis of the fourth and fifth metacarpals treated by free bone grafting from the fusion site

Simultaneous correction of the alignment and the shortening of the deformed little finger in congenital synostosis of the fourth and fifth metacarpals was accomplished by insertion of a wedge-shaped bone block harvested from the fusion site following transverse osteotomy of the fifth metacarpal. Correction can be performed simply and successfully without morbidity of the donor site when this technique is applied to suitable patients.     

Vesiduction: the fourth way of HGT

Besides the canonical gene transfer mechanisms transformation, transduction and conjugation, DNA transfer involving extracellular vesicles is still under appreciated. However, this widespread phenomenon has been observed in the three domains of life. Here, we propose the term ‘Vesiduction’ as a fourth mode of intercellular DNA transfer.