Pelvic kidney
Encyclopedia
If a kidney
Kidney
The kidneys, organs with several functions, serve essential regulatory roles in most animals, including vertebrates and some invertebrates. They are essential in the urinary system and also serve homeostatic functions such as the regulation of electrolytes, maintenance of acid–base balance, and...

 does not ascend as it should in normal childhood development it remains in the pelvic area and is called a pelvic kidney, ectopic kidney or a pancake kidney. Often a person with a pelvic kidney will go through their whole life not even knowing they have this condition, unless it is discovered on newborn kidney ultrasound screening or if complications arise later in life for this or a completely different reason, and during investigations the condition is diagnosed. Not a harmful condition generally but can develop complications.

Causes

In the development of the human embryo, the kidneys fail to ascend and usually remain at the brim of the pelvis
Pelvis
In human anatomy, the pelvis is the lower part of the trunk, between the abdomen and the lower limbs .The pelvis includes several structures:...

. This clinical scenario may present no signs or symptoms and the kidneys may function normally. It is associated at times with Mullerian dysgenesis.
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