Case Report
 
Spontaneous rupture of a retroperitoneal extrarenal angiomyolipoma initially misdiagnosed as acute cholecystitis
Ghassan Almaimani1, Thomas Zoedler2, André Schneider3, Bayan Almaimani4
1MBBS, Resident, Department of Surgery, Main-Kinzig-Clinics, Gelnhausen, Hessen, Germany.
2Doctorate, Consultant Surgeon, Head of Department, Main-Kinzig-Clinics, Gelnhausen, Hessen, Germany.
3Doctorate, Consultant Surgeon, Department of Surgery, Main-Kinzig-Clinics, Gelnhausen, Hessen, Germany.
4MBBS, Resident, Maternity and Children Hospital, Makkah, Saudi Arabia.

Article ID: Z01201604CR10625GA
doi:10.5348/ijcri-201637-CR-10625

Address correspondence to:
Ghassan Almaimani
Weinbergstr. 6a, Gelnhausen
Hessen
Germany, 63571

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How to cite this article
Almaimani G, Zoedler T, Schneider A, Almaimani B. Spontaneous rupture of a retroperitoneal extrarenal angiomyolipoma initially misdiagnosed as acute cholecystitis. Int J Case Rep Imag 2016;7(4):224–227.


Abstract
Introduction: Extrarenal angiomyolipomas are rare and tend to become clinically relevant only when hemorrhagic complications occur.
Case Report: We report the case of an 81-year-old woman with a right extrarenal retroperitoneal mass initially misdiagnosed as acute cholecystitis. A definitive diagnosis of angiomyolipoma is typically made after histopathologic examination of the operative specimen, which was not possible in this case. However, modern imaging modalities, particularly CT scan and MRI scan, have made it possible to identify these lesions in vivo.
Conclusion: This case highlights that the preoperative diagnosis of extrarenal angiomyolipoma can be challenging. Awareness of their clinicopathological and radiological features is essential.

Keywords: Angiomyolipoma, Computed tomography scan, Hemorrhage, Hematoma, Retroperitoneum


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Author Contributions
Ghassan Almaimani – Substantial contributions to conception and design, Acquisition of data, Analysis and interpretation of data, Drafting the article, Revising it critically for important intellectual content, Final approval of the version to be published
Thomas Zoedler – Analysis and interpretation of data, Revising it critically for important intellectual content, Final approval of the version to be published
André Schneider – Analysis and interpretation of data, Revising it critically for important intellectual content, Final approval of the version to be published
Bayan Almaimani – Analysis and interpretation of data, Revising it critically for important intellectual content, Final approval of the version to be published
Guarantor of submission
The corresponding author is the guarantor of submission.
Source of support
None
Conflict of interest
Authors declare no conflict of interest.
Copyright
© 2016 Ghassan Almaimani et al. This article is distributed under the terms of Creative Commons Attribution License which permits unrestricted use, distribution and reproduction in any medium provided the original author(s) and original publisher are properly credited. Please see the copyright policy on the journal website for more information.