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Renal anastomosing haemangioma
  1. Mariana Dias Capinha,
  2. Emanuel Carvalho-Dias,
  3. Mário Cerqueira-Alves and
  4. Paulo Mota
  1. Urology, Hospital de Braga, Braga, Portugal
  1. Correspondence to Dr Mariana Dias Capinha; m_capinha{at}


Anastomosing haemangioma is a rare subtype of haemangioma, a benign vascular tumour. Its rarity stems from its low incidence and difficulty in obtaining an accurate diagnosis. In addition, its histological resemblance to malignant neoplasms may lead to unnecessary overtreatment. Here, we report the case of an asymptomatic male patient with a slight increase in kidney function who underwent an abdominal ultrasound and a CT scan for suspected renal cell carcinoma. Subsequently, the patient underwent laparoscopic left radical nephrectomy. Histological analysis revealed an anastomosing haemangioma. The patient is currently asymptomatic with no relapse or imaging progression. We also present a literature review on anastomosing haemangioma.

  • Renal medicine
  • Urological surgery

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  • Contributors The following authors were responsible for drafting of the text, sourcing and editing of clinical images, investigation results, drawing original diagrams and algorithms, and critical revision for important intellectual content: MDC and PM. The following authors gave final approval of the manuscript: PM, EC-D and MC-A.

  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Case reports provide a valuable learning resource for the scientific community and can indicate areas of interest for future research. They should not be used in isolation to guide treatment choices or public health policy.

  • Competing interests None declared.

  • Provenance and peer review Not commissioned; externally peer reviewed.