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Adrenocortical oncocytoma: case report.

Dario Poretti1, Giovanni Mazzarol, Guido Bonomo

  • 1Institute of Radiology, University of Milano, Milan, Italy.

Clinical Imaging
|October 31, 2003
PubMed
Summary

Adrenocortical oncocytoma, a rare adrenal tumor, was diagnosed in a young woman. Imaging identified a large abdominal mass, but presurgical diagnosis was challenging due to non-specific features.

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Area of Science:

  • Endocrinology
  • Oncology
  • Radiology

Background:

  • Adrenocortical oncocytoma is a rare benign tumor of the adrenal cortex.
  • Distinguishing oncocytomas from adrenal cortical carcinomas preoperatively can be challenging.
  • This case highlights diagnostic difficulties in a young patient.

Observation:

  • A young woman presented with a large, inhomogeneous left adrenal mass identified via ultrasound, CT, and MRI.
  • Radiological characteristics were non-specific, and no biochemical activity aided diagnosis.
  • The mass was located in the left upper quadrant, between the kidney and spleen.

Findings:

  • Surgical resection confirmed the diagnosis of adrenocortical oncocytoma.
  • Histopathological examination revealed no signs of malignancy.

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  • The tumor was successfully removed with no evidence of malignant potential.

    • Implications:

    • This case underscores the importance of surgical resection for definitive diagnosis of adrenal masses with ambiguous imaging features.
    • It contributes to understanding the clinical presentation and diagnostic challenges of adrenocortical oncocytoma.
    • Highlights the need for comprehensive evaluation when imaging findings are inconclusive for adrenal tumors.