Droplet Transmission of Streptococcus sanguinis Causing Pyogenic Liver Abscess in a Male Patient With a Transplanted Liver.

is abundantly present in the oral cavity and colonizes the enamel as a natural part of the microbiome. Through the formation of a healthy biofilm, this bacterium provides a protective role. However, under certain conditions, it has the ability to become pathogenic.

Pleural Kaposi Sarcoma in Two HIV-Positive Patients.

Kaposi sarcoma is a neoplasm caused by human herpes virus 8 (HHV-8) that commonly presents as subcutaneous lesions but can also involve visceral organs such as the gastrointestinal and pulmonary systems. Diagnosis is achieved through histopathological analysis of cutaneous lesions or lymph nodes. In this study, we report two patients, recently diagnosed with HIV, who were later found to have cutaneous and visceral (pleural) Kaposi sarcoma.