Background HIV infection is associated to different oral manifestations (including periodontal diseases), which have decreased with the advent of antiretroviral therapy (ART). Yet, the occurrence of periodontitis is still consistent among patients with HIV living in sub Saharan-Africa, with limited evidence on the driven factors and mitigating measures in these settings. We aimed at evaluating the occurrence of periodontitis and its associated immunological and virological factors in patients with HIV living in Yaoundé, Cameroon. Methods We included 165 (44 ART-naïve and 121 ART-experienced) patients > 18 years old attending the Yaoundé Central Hospital and the Chantal BIYA International Reference Centre, from January-April 2018. The periodontal status was assessed by measuring the clinical attachment loss, periodontal pocket depth, plaques index and gingival bleeding index. CD4+/CD8+ cells and viremia were measured using the fluorescence-activated cell sorting method (FACS Calibur) and the Abbott m2000 RT HIV-1 RNA kit respectively. A standard-questionnaire concerning participants’ medical records and oral hygiene methods was filled. Data was analyzed and p < 0.05 considered statistically significant. Results There was a significantly high prevalence of periodontitis in the ART-naïve (53.2%) compared to the ART-experienced group (37.3%), with a twofold increased risk of the ART-naïve population presenting with periodontitis than the ART-experienced population (OR 2.06, p = 0.03). More importantly, ART-naïve, patients with CD4 < 200 cells presented with higher risk of having periodontitis compared to those with higher CD4-values, with a threefold difference (OR 3.21). Worth noting, males presented with a higher risk of having clinical attachment loss (OR 6.07). There was no significant association between the occurrence of periodontitis and the CD8 (p = 0.45) or viremia (p = 0.10). Conclusion In the Cameroonian context, a considerable number of adults infected with HIV suffer from periodontitis regardless of their treatment profile. Nonetheless, ART-naïve patients have a higher risk, indicating the protective role of ART. Interestingly, severely immune-compromised patients and men are vulnerable to periodontitis, thereby highlighting the need for clinicians to refer patients for regular periodontal screening especially male patients and those with low CD4. Such measures could greatly improve the quality of life of the population living with HIV in Cameroon.

Fatal bleeding in patients with tracheostomy is an uncommon incident, in the order of 0.1% to 1% of cases. It is secondary in 70% of cases to the innominate artery fistula in the tracheal lumen. The fistula is generally created after the necrosis of tracheal rings. The incriminated factors are the type of cannula used, the site of tracheal opening below the 3rd tracheal ring, tracheal infections and the proximity of the innominate artery to the tracheal axis. The outcome of this incident is fatal in most cases. We report the case of a 59-year-old patient with a tracheostomy on the 11th day of his admission to intensive care for severe head trauma secondary to a road accident. On the 22nd day of his admission, the occurrence of a cataclysmic and fatal haemorrhage through the tracheostomy tube evoked an arterio-tracheal fistula of the innominate artery.

Background/Aim: Abrikossof's tumor or granular cell tumor is a rare tumor. The cervicofacial localization is the most common. The aim of this report case was to show a rare case of nasal localization, to the 48-year old patient, treated in poor medical condition. Case presentation: The patient consults late with enormous nasal mass involving for five years. After biopsy and facial CT-scan, a surgical procedure was performed. The evolution was good and the final pathology confirms the diagnosis. The objective of this case report was to show the originality of the presentation and the difficulties for management in poor medical environment. Conclusion: Abrikossof's tumor is a rare benign tumor but whose preferential development occurs at the expense of the ENT sphere. Large forms remain the preserve of poor environments. The diagnosis is pathological and the treatment is surgical.

Thyroid heterotopia is an abnormal localization of normal thyroid tissue coexisting with a normal organ on a normal localization. It is a rare condition with a frequency that is not well known in the literature. We report a case of thyroid heterotopia in a 30 month-old girl referred for a painless lower antero-cervical nodule that has been developing for one year with past history no contributory. The clinical examination found a subcutaneous formation mobile in relation to the different deep and superficial planes with bilateral angulomandibular micro-lymphadenopathy. Ultrasounds of the soft parts of the neck showed hypoechogenic tissue reminiscent of thyroid tissue, the thyroid was in place. The thyroid hormone profile was normal. In the absence of a functional scintigraphy device, the diagnosis was confirmed with a pathology exam after surgery. We discuss the diagnostic relevance of thyroid heterotopia in front of any anterior nodular formation of the neck.