GIANT ADRENAL LIPOMA MASQUERADING AS LOW-DENSITY PHEOCHROMOCYTOMA

A CASE REPORT

Authors

  • Denise Joy Emmanuelle Lopez
  • Louisse Lynn Antoinette Young
  • Maria Patricia Deanna Maningat-Goco
  • Czarlo Dela Victoria
  • Timothy Carl Uy
  • Gian Carlo Magno

Keywords:

pheochromocytoma, adrenal lipoma, catecholamine-secreting

Abstract

CASE
A 45-year-old Filipino male who had early-onset hypertension for more than 15 years developed left flank pain with no other symptoms such as headache, palpitations, diaphoresis, or lightheadedness. CT imaging showed a large right adrenal mass measuring 8.1 x 7.2 cm with unenhanced attenuation of -85 Hounsfield units, suggestive of an adrenal myelolipoma. Hormonal studies were unremarkable except for elevated 24-hour urinary metanephrines which showed a 3.5-fold increase. Secondary hypertension from low-density pheochromocytoma was initially considered hence terasozin was started prior to surgery. The patient underwent a successful rightsided laparoscopic adrenalectomy with an uneventful
postoperative course. Histopathologic examination revealed an adrenal lipoma measuring 10x6x4 cm, and immunohistochemistry was negative for chromogranin A. His urinary metanephrines became normal after surgery. Adrenal lipomas are uncommon and comprise 0.7% of primary adrenal tumors; all of which are nonfunctioning. To the best of our knowledge, this is the first case of a large adrenal lipoma with elevated catecholamines reported in the literature.

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Author Biographies

Denise Joy Emmanuelle Lopez

University of the Philippines-Philippine General Hospital

Louisse Lynn Antoinette Young

University of the Philippines-Philippine General Hospital

Maria Patricia Deanna Maningat-Goco

University of the Philippines-Philippine General Hospital

Czarlo Dela Victoria

University of the Philippines-Philippine General Hospital

Timothy Carl Uy

University of the Philippines-Philippine General Hospital

Gian Carlo Magno

University of the Philippines-Philippine General Hospital

References

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Published

2023-11-09

How to Cite

Lopez, D. J. E., Young, L. L. A., Maningat-Goco, M. P. D. ., Dela Victoria, C. ., Uy, T. C. ., & Magno, G. C. (2023). GIANT ADRENAL LIPOMA MASQUERADING AS LOW-DENSITY PHEOCHROMOCYTOMA: A CASE REPORT. Journal of the ASEAN Federation of Endocrine Societies, 38(S3), 36. Retrieved from https://asean-endocrinejournal.org/index.php/JAFES/article/view/3251

Issue

Vol. 38 No. S3 (2023): AFES Book of Abstracts (Supplement)

Section

Poster Presentation | Adrenal

License

Copyright (c) 2023 Denise Joy Emmanuelle Lopez, Louisse Lynn Antoinette Young, Maria Patricia Deanna Maningat-Goco, Czarlo Dela Victoria, Timothy Carl Uy, Gian Carlo Magno

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