Anastomosing hemangioma of the kidney: a case report - Report - MDSpire

Anastomosing hemangioma of the kidney: a case report

  • By

  • Zhongyun Ning

  • Jinxia Liu

  • Shaolong Zhang

  • Chuanjian Chen

  • Ning Fan

  • Hui Ding

  • June 19, 2026

  • 0 min

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Clinical Report: Case Study of Renal Anastomosing Hemangioma

Background

Anastomosing hemangioma is a rare benign vascular neoplasm primarily found in the genitourinary system, liver, and other regions. Its lack of specific imaging features often results in misdiagnosis, particularly when it mimics malignant conditions such as renal cell carcinoma.

Data Highlights

No numerical data or trial data available in the source material.

Key Findings

  • Anastomosing hemangioma is a benign vascular neoplasm with no malignant potential.
  • It is commonly misdiagnosed as renal cell carcinoma, angiomyolipoma, or angiosarcoma due to similar imaging characteristics.
  • The case involved a 77-year-old woman with a cystic lesion in the left renal sinus, initially suspected to be cystic renal carcinoma.
  • Postoperative pathology confirmed the diagnosis of anastomosing hemangioma, characterized by a reticular anastomosing pattern of small blood vessels.
  • Immunohistochemical findings helped differentiate AH from other renal tumors.

Clinical Implications

Clinicians should be aware of the potential for misdiagnosis of anastomosing hemangioma when evaluating renal masses.

Conclusion

This case highlights the need for careful evaluation of imaging and histopathological findings in the diagnosis of renal tumors.

Related Resources & Content

  1. Mayo Clinic, Mayo Clinic, 2023 -- Anastomosing hemangioma: a current update on clinical, pathological and imaging features
  2. Frontiers in Pediatrics — Giant rapidly involuting congenital hemangioma in a neonate: a case report
  3. Frontiers in Oncology — Case Report: Superficial Kaposiform Hemangioendothelioma Without the Kasabach–Merritt Phenomenon
  4. Clinical Rheumatology — Recurrent Spontaneous Renal Bleeding in Patients with End-Stage Renal Disease and ANCA-Associated Vasculitis: A Review of Case Studies
  5. Timely angiography enhances postoperative outcomes in patients with vascular complications after partial nephrectomy compared to later angiography
  6. Anastomosing hemangioma: a current update on clinical, pathological and imaging features - Mayo Clinic
  7. American College of Radiology ACR Appropriateness Criteria® Indeterminate Renal Mass

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