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During the dissection of an 80-year-old male cadaver, left unilateral duplication of renal arteries consisting of an accessory renal artery forming the superior polar artery and a main renal artery that divided into prominent extra renal divisions were detected. In another 77-year-old female cadaver, bilateral double renal arteries with different extra renal division patterns, including a superior polar division from one of the double renal arteries on each side, were noted. In both cases, the extra renal divisions had variable positional relationships to the other hilar structures of the kidneys.
The presence of such variations and their co-occurrence could be associated with potential risk of various medical conditions like secondary hypertension and could also complicate outcomes of clinical procedures. So, awareness of such variations would be crucial in the diagnosis and treatment of renal, urologic and other associated diseases, and in the reduction of the risk of complications.
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