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Updated: Jun 15, 2026

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Endoscopic Endonasal Trans-sphenoidal Approach: Minimally Invasive Surgery for Pituitary Adenomas
Published on: January 17, 2018
Pheochromocytoma--from endocrinologist to surgeon.
Summary
This case study details an asymptomatic patient with an incidentally discovered adrenal tumor. Surgical removal revealed pheochromocytoma, with no recurrence or metastasis one year post-operation.
Area of Science:
- Endocrinology
- Surgical Oncology
- Diagnostic Imaging
Background:
- Adrenal incidentalomas require careful evaluation to rule out malignancy and hormonal activity.
- Pheochromocytoma, a rare adrenal tumor, can present asymptomatically despite potential for malignancy.
Observation:
- An asymptomatic patient presented with a large, cystic adrenal tumor discovered incidentally.
- The patient had no history of hypertension, a common pheochromocytoma symptom.
Findings:
- Histopathological examination confirmed pheochromocytoma with features suggestive of malignancy.
- One-year post-laparoscopic adrenalectomy, the patient remains asymptomatic with normal metanephrine levels and no evidence of metastasis on 123I-metaiodobenzylguanidine scintigraphy.
Implications:
- Laparoscopic adrenalectomy is a viable option for select adrenal tumors, including pheochromocytomas.
- Early detection and surgical management of incidentally discovered adrenal tumors are crucial for patient outcomes.
