Introduction: Tuberculosis (TB), one of the oldest diseases known to affect humans, is caused by the bacteria Mycobacterium tuberculosis. The disease usually affects the lungs, although, in up to one-third of cases, other organs are involved. TB of the bone mimics other clinical conditions such as chronic osteomyelitis, Madura mycosis and actinomycosis. Case Report: A fifth child and last-born girl, in a family of living four children, aged 9 years, consulted Kigali University Teaching Hospital (CHUK) on December 7, 2017, from Kibuye Referral Hospital (Western of Rwanda) for ulcerated, infected left heel with swollen foot 4 months before our consultation. Physical examination revealed a patient with swollen and tender foot discharging serous bloody fluids accompanied by inability to stand with a painful right hip. Small left inguinal lymph nodes were present. Blood work-up, computed tomography scan of the left foot, and an incisional biopsy at the level of the left calcaneus were performed and revealed extrapulmonary TB. The histopathological features for TB were scanty, but the high index suspicion of possible extrapulmonary TB led to the confirmation of the diagnosis using auramine-rhodamine special stain. Anti-TB therapy for 12 months course was initiated and the monthly follow-up for 11 months was done. Conclusion: Although calcaneal TB is very rare, in countries with high incidence of TB, clinicians must have a high suspicion index and skeletal TB must be included in differential diagnosis of bone masses whenever possible bone mass biopsy and special staining technique in addition to most common diagnosis means should be done to rule out the possibility of bone TB. Keywords: Calcaneus, tuberculosis, Rwanda.

Abstract:Oral diseases and orodental trauma are major public health problems worldwide and poor oral health has a profound effect on general health and quality of life. This retrospective study was conducted on dental visits at Rwandan Level 2 hospital Bria in Central African Republic from August 2015 to November 2016. Dental and periodontal diseases have been documented; demographic and analytical data were reviewed and analyzed. A total of 540 dental visits aged from 22 to 59 years; mean age of 37.57 ± 8.15 years. Male sex ratio of 9.6: 1. Dental caries, gingivitis and periodontitis were more prevalent with 33.13%, 16.98% and 13.87% respectively. Scaling and root planning, permanent filling and extractions were the most treatment in 34%, 32.4% and 19.92% respectively. The teeth 16, 26, 36 and 46 were found to be more diseased with 23%, 25.52%, 30.17% and 27.15% respectively. Gingivitis and periodontitis showed a protection association with age of less than 37.57 years p=0.013, OR=0.55, 95% CI (0.34 -0.88) and p< 0.001, OR=0.38, 95% CI (0.22 -0.64) respectively. Dental caries, Operculitis, fractured crown and teeth extractions showed strong statistical significance and risks with particular teeth. Dental and periodontal diseases are prevalent at Rwanda Level 2 hospital Bria. The different diseases and management have been documented. As per our hypothesis, dental caries were found to be the most common disease in this population. Particular statistical association of some diseased teeth has been shown.