Sarcomatoid malignant peritoneal mesothelioma is the rarest and most lethal form of peritoneal mesothelioma. We present the case of a sarcomatoid malignant peritoneal mesothelioma presenting as a localized mesenteric tumor in a 54-year-old female with no previous asbestos exposure. This clinical presentation is extremely rare and is the first documented in Cameroon.

BackgroundIt is important that students have a high academic engagement and satisfaction in order to have good academic achievement. No study measures association of these elements in a short training program. This study aimed to measure the correlation between academic achievement, satisfaction and engagement dimensions in a short training program among premedical students.MethodsWe carried out a cross sectional study, in August 2013, at Cercle d’Etudiants, Ingénieurs, Médecins et Professeurs de Lycée pour le Triomphe de l’Excellence (CEMPLEX) training center, a center which prepares students for the national common entrance examination into medical schools in Cameroon. We included all students attending this training center during last examination period. They were asked to fill out a questionnaire on paper. Academic engagement was measured using three dimensions: vigor, dedication and absorption. Satisfaction to lessons, for each learning subject was collected. Academic achievement was calculated using mean of the score of all learning subjects affected with their coefficient. Pearson coefficient (r) and multiple regression models were used to measure association. A p value < 0.05 was statistically significant.ResultsIn total, 180 students were analyzed. In univariate linear analysis, we found correlation with academic achievement for vigor (r = 0.338, p = 0.006) and dedication (r = 0.287, p = 0.021) only in male students. In multiple regression linear analysis, academic engagement and satisfaction were correlated to academic achievement only in male students (R2 = 0.159, p = 0.035). No correlation was found in female students and in all students. The independent variables (vigor, dedication, absorption and satisfaction) explained 6.8-24.3% of the variance of academic achievement.ConclusionIt is only in male students that academic engagement and satisfaction to lessons are correlated to academic achievement in this short training program for premedical students and this correlation is weak.

Gastric outlet obstruction encompasses a broad spectrum of conditions characterized by complete or incomplete obstruction of the distal stomach, which interrupts gastric emptying and prevents the passage of gastric contents beyond the proximal duodenum. Idiopathic hypertrophic pyloric stenosis is the most common cause with an incidence of 1.5–3 per 1000 live births. However, it is excluded; other causes in children such as peptic ulcer disease are relatively rare. We report a case of an acquired gastric outlet obstruction due to peptic ulcer disease, previously misdiagnosed as idiopathic hypertrophic pyloric stenosis in a 16-year-old girl. Beyond the rarity of this clinical event, this case highlights the challenges of the aetiological diagnosis of gastric outlet obstruction with subsequent therapeutic issues, and is the first documented case in Cameroon.