(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, one of the regionâs most denselypopulated countries, has 719 people per square mile(278 people per sq. km), whereas Namibia has only6 people per square mile (3 people per sq. km).Land and climate help explain this uneven dis-tribution of people. Desert or steppe covers largeareas of Africa south of the Sahara.