(u) A. Small echogenic kidneys bilaterally, less than 10cm, support a diagnosis of chronic renal failure. (u) B. Cysts and capsular hemorrhage are not causes of obstructive pyelonephritis. (c) C. Hydronephrosis, dilation of the collecting ducts, may be present due to a stone or other source of obstruction.
Rwanda - Location, size, and extent. Rwanda, a landlocked country in east-central Africa, has an area of 26,338 sq km (10,170 sq mi), extending 248 km (154 mi) NE â SW and 166 km (103 mi) SE â NW . Comparatively, the area occupied by Rwanda is slightly smaller than the state of Maryland.
Rwanda: A Brief History of the Country. By 1994, Rwandaâs population stood at more than 7 million people comprising three ethnic groups: the Hutu (who made up roughly 85% of the population), the Tutsi (14%) and the Twa (1%). Prior to the colonial era, Tutsis generally occupied the higher strata in the social system and the Hutus the lower.