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Renal epithelioid angiomyolipoma: A case report
Hongyun Li1, Xuebei Zhang2, Qingli Zhao1
1Department of Urology, The First Affiliated Hospital of Shandong First Medical University and Shandong Provincial Qianfoshan Hospital, Jinan, Shandong 250014, P.R. China.
Oncology Letters
|August 21, 2023
Summary
Epithelioid angiomyolipoma (EAML) is a rare kidney tumor. Surgical removal is recommended due to diagnostic challenges and malignant potential, with successful outcomes in two reported cases.
Area of Science:
- Urology
- Oncology
- Pathology
Background:
- Epithelioid angiomyolipoma (EAML) is a rare kidney neoplasm.
- It can be sporadic or associated with tuberous sclerosis.
- EAML is a monotypic variant of angiomyolipoma (AML).
Observation:
- EAML's epithelioid nature and low fat content complicate preoperative diagnosis via CT or MRI.
- It can be misdiagnosed as renal cell carcinoma or fat-poor AML.
- Two cases of renal EAML were successfully treated with laparoscopic surgery.
Findings:
- Preoperative diagnosis was challenging, requiring surgical and histological confirmation.
- No local recurrence or distal metastasis was observed post-surgery.
- Laparoscopic surgery proved effective for localized renal EAML.
Implications:
- Consider EAML in the differential diagnosis of renal tumors.
- Surgical excision is the preferred treatment for localized EAML.
- Early diagnosis and treatment can prevent misdiagnosis and unnecessary nephrectomy.
