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Synovial hemangioma is a rare benign vascular malformation. We report a case of chronic swelling in the left knee of a 7-year-old boy. An intra-articular tumor of synovial origin could was detected after a magnetic resonance imaging scan. Surgical excision of the mass associated with partial synovectomy was carried out. A histologic examination confirmed the diagnosis of synovial hemangioma. After 36 months of follow-up, there was no sign of recurrence. We review the literature and discuss the current case, along with noting the diagnostic methods and the therapeutic aspects of this rare and benign lesion., (Copyright © 2014 Elsevier Inc. All rights reserved.)

Introduction: Serious complications can occur in the management of displaced femoral neck fractures in children. Are there ways to anticipate this risk and better define eventual contributing factors?, Patients and Methods: Twenty-one children (14 boys and 7 girls) were treated between 1999 and 2006 for displaced femoral neck fractures. Nine type II, 10 type III and two type IV fractures were observed according to the Delbet's classification. Anatomical open reduction was performed in 13 patients and closed reduction in eight patients. At a mean follow-up of 26.4 months, the outcome was assessed according to the Ratliff criteria. Postoperative complications were analysed according to the age, fracture type, time-to-surgery and open or closed reduction., Results: The mean age was 12.1 years. The final outcome was defined as good in 14 patients(66.66%), fair in one patient (4.76%) and poor in six patients (28.58%). Complications occurred in seven patients (33.33%), avascular necrosis (AVN) of the femoral head being the most frequent one (28.58%). In all cases, necrosis was observed in children older than 12 years (p < 0.05) and when time-to-surgery exceeded 48 h (p < 0.05). Necrosis occurred in 44.44% of type II fractures and in 20% of type III fractures (p > 0.05). Only one materialised after closed reduction (p < 0.05)., Discussion: Various factors may contribute to the development of complications in children with femoral neck fractures. Our study supports the hypothesis that older age, late surgery and open reduction are definite predictors of avascular necrosis occurrence., Level of Evidence: Retrospective study, level IV., (2010 Elsevier Masson SAS. All rights reserved.)

Introduction: We retrospectively reviewed 106 pediatric cases of peripheral osteoarticular tuberculosis (OAT) seen over a 21-year period in Morocco. Patients with vertebral tuberculosis were excluded from the study., Patients and Results: The 55 boys and 51 girls had a mean age of 8 years. The hip and knee together contributed 63% of the osteoarticular foci. Organ involvement was documented in 32 cases. Mean time from symptom onset to evaluation was 10 months. This resulted in diagnostic delay, which contributed to the 22% rate of residual abnormalities consisting of joint ankylosis and leg length inequality., Conclusion: OAT is a source of functional disability that should be recognized and treated early, particularly in children, given that appropriate management can lead to a full recovery (14 patients in our series).

A case of tuberculosis of the craniocervical junction in an eight-year-old is reported. Presenting symptoms were painful torticollis, dysphagia, and tetraparesis. Computed tomography and magnetic resonance imaging findings strongly suggested the diagnosis, which was confirmed by peroral aspiration of a retropharyngeal collection. Management was by immobilization and antituberculous agents. Surgery was not performed. After one year, the outcome was highly satisfactory.

An unusual case of hydatid cyst of the sacrum revealed by low back pain and sciatica in a 16-year-old is reported. Computed tomography and a surgical biopsy provided the diagnosis. The outcome was favorable one year after mebendazole therapy initiation.