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Introduction: Hypoglycemia occasionally develops after the resection of pheochromocytoma due to decreased catecholamine secretion. The unique glucose metabolism in dialysis patients may potentially affect postoperative hypoglycemia, although few reports have focused on this issue.
Case Presentation: A 47-year-old woman who had chronic renal failure under hemodialysis was diagnosed with right pheochromocytoma and underwent an adrenalectomy. Three hours after surgery, she experienced symptomatic hypoglycemia, which was repeated until postoperative day 3. Continuous glucose infusion was required until postoperative day 8 and asymptomatic hypoglycemia was repeated until postoperative day 11.
Conclusion: In hemodialysis patients, more careful management of hypoglycemia may be required after the resection of pheochromocytoma compared with non-hemodialysis patients.
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http://dx.doi.org/10.1002/iju5.12770 | DOI Listing |
J Med Cases
August 2025
Department of Cardiology, McLaren Health Care/Michigan State University, Flint, MI, USA.
Catecholamine-induced cardiomyopathy secondary to paraganglioma is a rare and potentially reversible condition. However, the course of recovery post-resection remains variable and may be delayed despite biochemical cure. We present the case of a 47-year-old male with biopsy-confirmed extra-adrenal paraganglioma who developed acute decompensated heart failure due to catecholamine-induced cardiomyopathy (left ventricular ejection fraction (LVEF) 30-35%) and multiorgan dysfunction.
View Article and Find Full Text PDFEndocrinol Diabetes Metab Case Rep
July 2025
Division of Endocrinology and Metabolism, Albany Medical College, Albany, New York, USA.
Summary: Pheochromocytomas are rare neuroendocrine tumors derived from adrenal chromaffin cells that result in hyperactivity of the sympathetic nervous system. We present the case of a patient with biochemical evidence of pheochromocytoma, but surgical pathology revealed absence of tumor. This is an 80-year-old female with a past medical history of metastatic follicular lymphoma and hypertension with an incidental 1.
View Article and Find Full Text PDFHinyokika Kiyo
August 2025
The Department of Urology, Kyoto University Hospital.
A 41-year-old woman who was diagnosed, with neurofibromatosis type 1 (NF1) in childhood, experienced significant fluctuation in blood pressure during cervical kyphosis surgery. Postoperative examination revealed a right pheochromocytoma, which was a large hypervascular tumor with a maximum diameter of 18 cm. The patient had a short stature and thoracic deformity associated with NF1, which posed a challenge in securing the surgical field in the upper abdomen during the resection procedure.
View Article and Find Full Text PDFAbdom Radiol (NY)
August 2025
Russell H. Morgan Department of Radiology and Radiological Science, Johns Hopkins University, Baltimore, United States.
With the growing use of computed tomography (CT) scans, there has been a corresponding increase in detection of incidental adrenal lesions. For decades, tumor size has been associated with malignancy, however emerging research has suggested that the majority of large (> 4 cm) adrenal lesions are benign and do not require surgical resection. With CT being the gold-standard imaging modality for evaluating adrenal lesions, it is important to differentiate benign and malignant lesions on imaging to guide clinical management and avoid overtreatment.
View Article and Find Full Text PDFFront Oncol
August 2025
Clinic for Internal Medicine, Clinical Hospital Centre "Dragisa Misovic - Dedinje", Belgrade, Serbia.
Adrenal collision tumours (ACTs) are rare clinical entities denoting separate coexisting tumours involving adrenal glands. Here, we report the clinical, radiological and pathohistological presentation of a 49-year-old patient with an ACT composed of oncocytoma and pheochromocytoma. Following the initial diagnostic procedure guided by suspicion of pheochromocytoma, the patient has undergone surgery, recovered well and has been followed since.
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