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Pycnodysostosis is a rare hereditary disease, characterized by systemic bone sclerosis. Susceptibility to long bone fractures is characteristic, whereas vertebral fractures are extremely rare. We report a case of a 21-year-old man with a past history of pycnodysostosis and spontaneous leg fractures who was admitted in hospital for a neck pain after a banal fall. Radiological examination revealed C1-C2-C3 posterior arch fractures with a C3-C4 left articular fracture dislocation. A surgical stabilization was decided but refused by the patient. To the best of our knowledge, this is the first publication that reports pycnodysostosis with cervical spine traumatic staged injuries.

Aim: Describe the technique of the elbow arthroscopy and discuss their indications through a series of 12 cases and a review of the literature., Methods: We report a retrospective study of a short series of 12 cases of elbow arthroscopy performed on 4 years. The indications of this technique were loose bodies in 7 cases, parcellar displaced fracture of radial head in 3 cases, fracture of coronoid process in one case and osseous impingement in one case., Results: We have noted no complications and at a mean follow up of 18 months (6 to 40 months) our results were almost satisfactory., Conclusion: Elbow arthroscopy is an effective but delicate technique. Its indications are not frequent. They are dominated by loose bodies.

Unlabelled: UNKNO WLOGEMENT: Ganglion cysts have been reported in all joints, with varying frequency in location. A few cases have been described concerning ganglia of the anterior cruciate ligament (ACL) particularly intraligamentous cysts., Aim: The aim of the study is to report specific particularities of intraligamentous ganglion cyst of the ACL., Case: We report a new case of intraligamentous ganglion cyst of the anterior cruciate ligament treated successfully with arthroscopic aspiration followed by partial excision of the cyst wall after MRI examination. The MR findings, clinical features and arthroscopic findings were evaluated comparatively. Diagnosis was confirmed by means of histological study after arthroscopic excision. The cyst was fluid-filled, with low T1-weighted signal intensity and high T2-weighted signal intensity. Pain was the most frequent clinical sign without any history of trauma. Postarthroscopy outcome was painless. Histologic diagnosis corresponded to ganglion cyst., Conclusion: An intraligamentous ganglion cyst of the ACL is extremely rare and suggests some diagnostic and therapeutic particularities.

Background: Brodie's abscess is a bone abscess described as a localized primary purulent collection with sclerotic wall. Since the first report of Sir Benjamin Brodie in 1832, many papers described different clinical and treatment aspects. Pathogeny and therapy still remain not clearly elucidated., Aim: The aim of our study is to describe clinical aspect and to study the result of treatment including surgery and antibiotics., Methods: Our study is retrospective including 20 patients admitted to the author's institution for isolated bone abscess. The mean age of these patients is 30 years old (14 up to 46 years) with male predominance. Symptoms were chronic including localized pain with no systemic illness. The erythrocyte sedimentation rate was elevated in 2/3 of the cases. Roentegenogram was typical in 18 cases showing metaphysic cyst with sclerotic wall. Tibia was the most involved bone, 14 among 20 cases. Bacteriological study of the abscess pus isolated staphylococcus in 12 cases and pseudomonas in two cases. No organism was identified in the six remaining cases. Histopathological study showed chronic osteomyelitis with granulation including lymphocytes and plasma cells in all cases. Surgery and antibiotics were adequate for treatment in all cases. Our approach consisted in curettage without primary skin closure, cast immobilisation and antibiotics., Results: Our patients were followed up over a median period of six years (8 months to 10 years). Overall, the results of treatment were good and in the long-term the abscess disappeared in all cases without recurrence. The erythrocyte sedimentation rate was normalized in 10 weeks and roentegenologically, the abscess disappeared progressively without osteomyelitis complication., Conclusion: According to our study, we believe that surgical treatment based on total excision of the bone collection and the sclerotic wall is the best method of therapy. As a matter of fact, healing was obtained without grafting in all cases and in the long-term follow up, abscess disappeared without recurrence and fistulisation.

Background: Unicondylar femoral fractures are rare. They form a particular entity of the femoral lower extremity fractures. THE PURPOSE of this work was to evaluate the anatomical and functional results of unicondylar femoral fractures on pain, mobility, walking and stability of the knee., Methods: We reviewed, retrospectively, 28 patients presenting unicondylar femoral fracture. There were 19 men and 9 women, with average age of 54 years (22 - 87 years), victims essentially of domestic accident. The fracture was alone in 65 % of cases. According to Nordin's classification, the fracture was of type I in 3% of cases, type II in 35 % of cases, type III in 20 % of cases and type IV in 42 % of cases. Twenty five patients had a surgical treatment after a median period of 7 days post-accident, 3 patients were treated orthopedically., Results: After 3 years follow up, results were noted according to MEGY's score which takes into account walking, mobility, pain and the stability. Clinically, we noted 26 good and very good results and 2 moderate results. Anatomically, we obtained 75 % of satisfactory reductions., Conclusion: Unicondylar femoral fractures remain rare. It is important to recognize them and to make the exact diagnosis of their type. Surgical treatment exposes old subjects to risk of dismantling anatomical osteosynthesis because of osteoporoses.

Arthroscopic surgery replaced at present more and more conventional articular surgery because its anatomic character, its less morbidity and its more simple post-poerative care. After knee, the shoulder is considere as the articulation witch benefit of the progress of arthroscopic technics. Autors reported their experience in shoulder arthroscopy witch is introduced in the service since 1999. The gol of this study is to describe the technic of the shoulder arthroscopy and to precise its main indications.

Aim: We assessed retrospectively forty cases of radial head fractures treated by excision., Methods: The series is composed of men in 60% of cases and women in 40% of cases. The age of patients ranged from 15 to 68 years with an average of 37 years. According to Duparc classification, the fracture was type II in 20% of cases, type III in 32%, type IV in 42% and type V in 6%. An associated lesion in the same elbow was seen in 50% of cases; elbow dislocation was present in 38% of cases. The average of operative delay was 14 days (0 - 40 days)., Results: The functional result was evaluated according to clinical score of Western Orthopaedic society. The results were satisfactory. We have noted a correlation between functional result and associated lesions, the delay of excision and postoperative immobilisation. Valgus ulna and ascension of the radius was minors and well tolerated exceptly in cases of fractures associated to elbow dislocations., Conclusion: According to the results, we think that excision of radial head can be proposed essentially for the treatment of isolated radial head fracture.