Anastomosing hemangioma of the liver: a case series

Brendan Lunn, Saba Yasir, Dora Lam-Himlin, Christine O. Menias, Michael Torbenson, Sudhakar K Venkatesh

Research output: Contribution to journalReview article

Abstract

Purpose: To report imaging and pathologic features of five pathologically proven anastomosing hemangiomas of the liver (AHL). Methods: A retrospective review for AHL was conducted using our institutional database from 6/2004 to 3/2018. Histology proven AHL with radiologic imaging available for review were included. A total of five patients who met our criteria were identified from our institutional database. Computed tomography, ultrasound, and magnetic resonance imaging findings, including location, size, attenuation/signal intensity, enhancement characteristics, and additional imaging data were reviewed. The clinical and pathological data were also reviewed. Results: The imaging characteristics of AHL are variable, but features such as peripheral or diffuse hyperintensity on diffusion weighted imaging, arterial hyperenhancement without globular interrupted enhancement, and persistent enhancement without complete filling in the delayed phases were more characteristic of AHL. Imaging also demonstrated a lack of aggressive features. Conclusions: AHL present a diagnostic dilemma as they can mimic more malignant lesions, such as angiosarcoma, both on imaging and at pathology. While the imaging characteristics of AHL are variable, there are some features which can help distinguish AHL from other liver lesions. When the diagnosis of anastomosing hemangioma is known, the management of choice is primarily surveillance, as intervention can cause unnecessary morbidity, and no degeneration to malignancy has been identified to date.

Original languageEnglish (US)
JournalAbdominal Radiology
DOIs
StatePublished - Jan 1 2019

Fingerprint

Hemangioma
Liver
Databases
Hemangiosarcoma
Histology
Tomography
Magnetic Resonance Imaging
Pathology
Morbidity

Keywords

  • CT
  • Hemangioma
  • MRI
  • Ultrasound
  • Vascular neoplasm

ASJC Scopus subject areas

  • Radiological and Ultrasound Technology
  • Radiology Nuclear Medicine and imaging
  • Gastroenterology
  • Urology

Cite this

Anastomosing hemangioma of the liver : a case series. / Lunn, Brendan; Yasir, Saba; Lam-Himlin, Dora; Menias, Christine O.; Torbenson, Michael; Venkatesh, Sudhakar K.

In: Abdominal Radiology, 01.01.2019.

Research output: Contribution to journalReview article

Lunn, Brendan ; Yasir, Saba ; Lam-Himlin, Dora ; Menias, Christine O. ; Torbenson, Michael ; Venkatesh, Sudhakar K. / Anastomosing hemangioma of the liver : a case series. In: Abdominal Radiology. 2019.
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abstract = "Purpose: To report imaging and pathologic features of five pathologically proven anastomosing hemangiomas of the liver (AHL). Methods: A retrospective review for AHL was conducted using our institutional database from 6/2004 to 3/2018. Histology proven AHL with radiologic imaging available for review were included. A total of five patients who met our criteria were identified from our institutional database. Computed tomography, ultrasound, and magnetic resonance imaging findings, including location, size, attenuation/signal intensity, enhancement characteristics, and additional imaging data were reviewed. The clinical and pathological data were also reviewed. Results: The imaging characteristics of AHL are variable, but features such as peripheral or diffuse hyperintensity on diffusion weighted imaging, arterial hyperenhancement without globular interrupted enhancement, and persistent enhancement without complete filling in the delayed phases were more characteristic of AHL. Imaging also demonstrated a lack of aggressive features. Conclusions: AHL present a diagnostic dilemma as they can mimic more malignant lesions, such as angiosarcoma, both on imaging and at pathology. While the imaging characteristics of AHL are variable, there are some features which can help distinguish AHL from other liver lesions. When the diagnosis of anastomosing hemangioma is known, the management of choice is primarily surveillance, as intervention can cause unnecessary morbidity, and no degeneration to malignancy has been identified to date.",
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