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Synovial osteochondromatosis is a disease characterized by a benign metaplastic cartilaginous proliferation. There are very few studies on synovial osteochondromatosis in Sub Saharan Africa. We report on 10 observations., We conducted a retrospective study carried out from January 2004 to December 2008, in Synovial osteochondromatosis patients attending the Rheumatology Unit of the Yaounde Central Hospital. We studied 3 women and 7 men, with an average age of 27 years±13 (range: 14 and 89 years old). The knee was the most affected joint (observed in 9 cases) and the metacarpophalangeal joint of the thumb was affected in 1 case. Pain was constant, and joint motion limitation was observed in 6 cases, swelling of the joint in 4 cases, cracking of the joint in 2 cases and nodules were noted in 1 case. None of these patients presented an inflammatory syndrome. Radiological signs were: calcified chondromas in all 10 cases, associated with degenerative lesions in 3 cases. Every patient received an analgesic and a non-steroidal anti-inflammatory medication. Only 3 patients (patients 1, 4 and 5) underwent surgical synovectomy. None of the patients underwent arthroscopic surgery or synoviorthesis., Synovial osteochondromatosis manifestations in our patients were similar to what has been described in the literature, only differing in that surgical care was not constant., (Le comitée de rédaction se réserve le droit de revoyer aux auteurs avant toute soumission à l'avis des lecteurs les manuscrits qui ne seraient pas conformes à ces modalités de présentation. En outre il leur conseille de sonserver un examplaire du manuscrit, des figures et des tableaux.)

Aim: To determine the bone mineral density (BMD) of Cameroonian woman and the importance of primary osteoporosis of the menopausal women., Method: It was a 10 months cross sectional and observational study carried out on voluntary clinically healthy women aged at least 20 years. A complete clinical examination and measurement of the BMD by quantitative ultrasound measurement of the calcaneus was carried out. The BMD was calculated automatically by the apparatus with values in g/cm2 and in T-score., Results: 367 women, mean age 52 year (range 20 and 89) were included in the study. 218 (59.4%) were menopausal. The average bone mineral density was 0.513 g/cm2 (+/- 0.141). The bone minera density reduction was progressive with age with a sharp slope after 70 years. The statistically significant reduction of BMD was associated with: menopause, lower or moderate physical activity, weekly consumption of milk product evaluated at less than the equivalent of a cup of yoghurt, cigarette smoking. Alcohol consumption and obesity had no significant influence on the distribution of BMD. Considering the T-score, 13.6% had osteoporosis, 46.6% osteopenia and 53.4% were normal. In the women of 50 years and above, 17.9% had osteoporosis against 0.6% in women below 50 years while above 70 years, 55.8% had osteoporosis., Conclusion: The BMD of urban Cameroonian women is comparable with that of other women in the world. Osteoporosis is seemingly also present as in the western world, but with relatively less fractures. These results need to be confirmed by studies with larger population size.