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Impaired differential renal function in a child with pheochromocytoma
T Chotsampancharoen1, S Patrapinyokul, C Reegkling
1Department of Pediatrics, Faculty of Medicine, Prince of Songkla University, Hat Yai, Songkhla, Thailand.
Journal of Human Hypertension
|June 3, 2005
Summary
A case study details a young girl with an extra-adrenal pheochromocytoma impacting kidney function. Preoperative Dimercaptosuccinic acid (DMSA) scans are recommended for evaluating pheochromocytoma.
Area of Science:
- Pediatric Endocrinology
- Nephrology
- Surgical Oncology
Background:
- Extra-adrenal pheochromocytoma is a rare neuroendocrine tumor.
- Hypertension and elevated urinary vanillylmandelic acid are key indicators.
- Potential complications include renal impairment due to tumor proximity.
Observation:
- A 14-year-old female presented with severe hypertension and a right renal hilum mass.
- Surgical resection of the pheochromocytoma necessitated renal vein reconstruction.
- Postoperative DMSA scan revealed reduced right kidney function.
Findings:
- Histopathology confirmed pheochromocytoma.
- The cause of diminished renal function (surgical vs. tumor-related stenosis) remained unclear.
- The patient achieved normotension post-surgery.
Implications:
- This case highlights the importance of considering renal function in pheochromocytoma management.
- Preoperative DMSA scintigraphy is suggested for comprehensive evaluation.
- Early diagnosis and surgical intervention are crucial for favorable outcomes.