Over the course of October in Minneapolis, the length of the day is rapidly decreasing. From the start to the end of the month, the length of the day decreases by 1 hour, 30 minutes, implying an average daily decrease of 2 minutes, 60 seconds, and weekly decrease of 20 minutes, 58 seconds.
Retroperitoneal hemorrhage (or retroperitoneal hematoma) refers to an accumulation of blood found in the retroperitoneal space. It can present with Grey Turner's sign (flank bruising). Causes include: 1  anticoagulation. 2  a ruptured aortic aneurysm. 3  a ruptured renal aneurysm. 4  acute pancreatitis. 5  malignancy.
Retroperitoneal lymph node dissection (RPLND) is surgery often used to treat testicular cancer. It is done to remove lymph nodes that may be cancerous from the lower back and pelvis. During the early phases of stage I nonseminoma testicular cancer, it can be very difficult to tell whether these lymph nodes are cancerous without surgically removing them first.