Pleurisy Causes & Risk Factors. Causes and Risk Factors for Pleurisy. Pleurisy can develop as a complication of several conditions. In some cases, the condition is idiopathic (i.e., occurs with no known cause). The most common cause for pleurisy is viral infection (e.g., influenza, pneumonia).
An extrarenal pelvis is a normal variation from the usual anatomy, and it does not indicate a state of disease. However, renal pelvises do not usually protrude in such a manner, and it may appear as if there is a blockage in the renal pelvis that is preventing urine from emptying, which is a serious medical condition.
Female Pelvis vs Male Pelvis. The pelvic region is the part of the body that connects the trunk, the upper body, to the lower legs or lower extremities. It is also where the reproductive organs and some parts of the small and large intestines are located.he pubic arch is the defining characteristic between the two pelvises. In a male pelvis, it is v-shaped while in the female the pubic arch is wider. The distal part of the spine is the sacrum and coccyx.