We present a case series of four children, younger than 3 years old, with osteoid osteoma of the lower limb. Pain and limping were the main symptoms. With careful clinical examination, we could localize the affected area. Radiological evaluation revealed cortical thickening in 3 children. On MRI examination, we found extensive edema, with normal bony cortices. The central nidus was found in 3 children. CT scan was the most accurate examination which revealed the central nidus with surrounding sclerosis. Bone scans had positive uptake in the affected area. Our patients were treated with an intralesional excision biopsy, with simultaneous radiofrequency ablation in those affected in the femur. Pathological specimens confirmed the diagnosis of osteoid osteoma. There was uneventful recovery of our patients. This case series contributes to the limited description of osteoid osteoma diagnosed and treated in very young children.

The crucial role of the menisci in function and biomechanics of the knee has been increasingly recognized and well described during the past several years. Meniscectomy was a gold standard treatment for a torn meniscus. Reviewing the literature, shows that this procedure is deleterious for the chondral surface. In the last decades, orthopaedic surgeons give a battle to salvaging and repair a torn meniscus, when this is possible. Clinical studies have shown that the introduction of biological augmentation techniques has the potential to enhance meniscus repair especially in young active individuals. Fibrin clot is relative quick to reproduce and easy to use technique which promises encouraging results in repairing the torn meniscus and in the same time is considered one of the most cost effective solutions comparing with others. In this paper our aim is to present the surgical technique of preparation and use of the fibrin clot form autologous blood step-by-step in case series of 24 patients. However, despite the relative ease preparation of fibrin clot from autologous blood, the placement and stabilizing it into the gap of the meniscal rupture arthroscopically is challenging.

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Introduction: Patients often suffer from an elongated styloid process. This clinical entity is well known and is described as Eagle syndrome. The presence of this anatomical variation is not always associated with symptoms. However, there is a strong correlation between the elongated styloid process and Eagle syndrome. Aim: This study aims to calculate the incidence of elongated styloid processes in the Greek population, to analyze the morphometric characteristics of styloid processes, and to compare these among sexes. Materials and methods: This is a single-center retrospective study. All skulls were donated to the Department of Anatomy, the Aristotle University of Thessaloniki from January 2013 to May 2019 for research purposes. A Styloid process longer than 30mm was considered elongated. We used Welch’s t-test for the statistical analysis of the data. Results: The prevalence of elongated styloid processes was 35%. The average diameter was 3.32 mm and the average total length was 25.02 mm. There was no statistically significant difference between male and female skulls, though the female styloid processes were slightly longer and the male slightly wider. Symmetry was recorded in 31% of skulls. The average axial angle was 650 but in 4% of cases, it was less than 200. Conclusions: The elongated styloid process is not a rare entity. Eagle syndrome should always be considered in the differential diagnosis when patients report chronic sore throat. Our anatomical findings add a new dimension to the etiopathogenesis of Eagle syndrome.

Congenital bilateral pseudoarthrosis is an extremely rare condition. We report a neonate with bilateral congenital clavicle pseudoarthrosis. The neonate had a palpable gap bilaterally. Radiological examination confirmed the diagnosis. The baby had a complete spontaneous healing in a year. We review the recent literature.