Diagnosis and treatment of bilateral adrenal pheochromocytoma with RET gene mutation combined with medullary sponge kidney: A case report.

On the basis of adequate perioperative preparation, surgical resection is the most effective and preferred treatment for this type of disease. Laparoscopic surgery is minimally invasive, safe, and effective by stages. Mutations in the RET proto-oncogene may lead to medullary spongy kidneys in multiple endocrine neoplasia 2.