The role of microRNA in the pathogenesis of pulmonary tuberculosis is the interesting topic in chest medicine at present. Recently, it was proposed that the microRNA can be a useful biomarker for monitoring of pulmonary tuberculosis and might be the important part in pathogenesis of disease. Here, the authors perform a bioinformatics study to assess the microRNA within known tuberculosis RNA. The microRNA part can be detected and this can be important key information in further study of the pathogenesis of pulmonary tuberculosis.

Pyogenic brain abscess is important in neurology. This infectious disease is fatal and the management is usually complicated. Here, the authors review and discuss the clinical aspects of pyogenic brain abscess found in the earlier reports from a tropical setting in Thailand. The literature review was compiled through standard reference database searching and the derived publications were further extracted to obtain clinical data. The main clinical characteristics of pyogenic brain abscess in this setting were similar to others. However, there are some specific characteristics on the nature of tropical setting.

The problem of finger in the patient with diabetes mellitus is important consideration in diabetology. Generally, peripheral neuropathy that manifests with finger paresthesia is common. However, some recent reports mention the concern on trigger digits in diabetic patients. In this brief article, the authors focus review and discussion on this specific topic. The searching of standard database, PubMed, on available publication on this area selecting by keywords trigger digits and diabetes mellitus was done and all derived papers were extracted and further synthesized in this review article. Epidemiology and management of the condition are the mainly focused reviewed areas and presented in this article.

Metformin is a widely used anti-diabetic drug. Deterioration of sleep is an important unwanted side effect of metformin. Here, the authors review and present the details on metformin and sleep problem.