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We present 19 ray lengthenings in 14 patients done with a small external fixator. In six cases the thumb was lengthened and in the other 13 cases, other digital rays. The most frequent reason for lengthening was an amputation sustained in a work accident. All the lengthenings were done by an osteotomy and subsequent gradual distraction with a small external fixator. The mean lengthening achieved was 20 mm (range, 0-32). An iliac-crest graft was needed in nine cases, corrective osteotomy in five cases and a deepening of the web in the six cases of thumb lengthening. In five cases an additional technique was needed to achieve bony consolidation. We have analysed the functional results and the ability to perform activities of daily living and resume employment. Although most of the patients had multiples injuries, the results have been very favourable, achieving a very high level of patient satisfaction.

The choice of orthopedic or surgical treatment for Gartland type II supracondylar humeral fractures remains controversial. The aim of this study was to retrospectively compare the outcomes in orthopedic and surgical treatment in type II supracondylar humeral fractures in children treated in the Orthopedic and Traumatology Children Unit of our tertiary hospital over the period between 2007 and 2010. This study suggests that orthopedic treatment is a valid option for the treatment of this type of fractures, with radiological and functional results as good as those obtained with surgical treatment, avoiding surgical complications and decreasing the hospital stay.

Introduction Although pelvic fractures in children are rare, because of anatomical differences between an adult's skeleton and a child's skeleton, these lesions in the pediatric population have specific characteristics that need to be borne in mind when dealing with them. Materials and Methods A retrospective chart review was performed on the pelvic fractures in skeletally immature patients treated in our hospital in the last 20 years. Results Eighty-one pelvic fractures in children were treated between 1993 and 2013. The mean age was 9.98 years, with 61.7%(50/81) boys and 38.2% (31/81) girls. A traffic accident was the main injury mechanism (74%, 60/81), and height fall was in second place (16%, 13/81). Following Tile pelvic fracture classification, type A2 was the most frequent (58.04%, 47/81); and following Torode and Zieg classification, type IIIA (45.68%, 37/81). Associated injuries were present in 77.8% (63/81) of the patients; fractures of other bones and head trauma were the most frequent. An acetabular fracture was present in 13.5% (11/81) of the patients. Nonsurgical treatment was chosen for all the pelvic fractures except in 4 patients, which required surgical management for their pelvic injuries. Blood transfusion was required in 32% (26/81) of the patients, and arterial embolization was not needed in any case. Furthermore, 11.1% (9/81) required a stay in the pediatric care unit, and the death rate was 8.64% (7/81). The mean length of hospital stay was 12.4 days. Conclusions Because of the specific characteristics of pelvic fractures in children, fracture patterns are less severe than those of adults, but the injury mechanisms are high-energy traumas. The rate of associated injuries is very high, and a multidisciplinary management in pediatric trauma centers is needed to treat these patients.

Purpose Although malignant bone tumours in children are infrequent, it is important to know how to properly diagnose and stage them, in order to establish an adequate treatment. Methods We present a review of the diagnostic workflow of malignant bone tumours in children, including history and clinical examination, imaging, laboratory tests and biopsy techniques. Moreover, the two most commonly used staging systems are reviewed. Results History, clinical examination and laboratory tests are nonspecific for diagnosing malignant bone tumours in children. Radiographs remain the mainstay for initial diagnosis, with MRI the modality of choice for local assessment and staging. Fluorine-18 labelled fluoro-deoxy-glucose-positron emission tomography scans provide a noninvasive method to assess the aggressiveness of the tumour and to rule out metastasis and is replacing the use of the bone scintigraphy. Biopsy must be always performed under the direction of the surgeon who is to perform the surgical treatment and after all diagnostic evaluation has been done. Staging systems are useful to study the extent of the tumour and its prognosis. They are expected to evolve as we better understand new molecular and genetic findings. Conclusion When a malignant bone tumour is suspected in a child, it is essential to make a correct diagnosis and referral to an experienced centre. Following an appropriate workflow for diagnosis and staging facilitates, prompt access to treatment improves outcomes. Level of Evidence Level V Expert opinion