Unveiling Wunderlich syndrome: Diagnosis and management of a rare spontaneous renal hematoma

Background: Wunderlich syndrome (WS) is a rare condition that is described as an atraumatic, spontaneous renal hemorrhage in the perirenal space. Symptoms typically present as nondescript flank pain, but a flank mass and hypovolemic shock are also possible. Computed tomography (CT) imaging with intr...

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Main Authors: Rebecca Merrill, Pete Jordanides, Jessica Krizo, Erin L. Simon
Format: Article
Language:English
Published: Elsevier 2025-03-01
Series:JEM Reports
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Online Access:http://www.sciencedirect.com/science/article/pii/S2773232025000082
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author Rebecca Merrill
Pete Jordanides
Jessica Krizo
Erin L. Simon
author_facet Rebecca Merrill
Pete Jordanides
Jessica Krizo
Erin L. Simon
author_sort Rebecca Merrill
collection DOAJ
description Background: Wunderlich syndrome (WS) is a rare condition that is described as an atraumatic, spontaneous renal hemorrhage in the perirenal space. Symptoms typically present as nondescript flank pain, but a flank mass and hypovolemic shock are also possible. Computed tomography (CT) imaging with intravenous contrast should be the modality of choice to diagnose WS, with recent studies highlighting the efficacy of transcatheter arterial embolization (TAE) as the preferred treatment over surgery. WS is often secondary to conditions such as renal neoplasms, vascular diseases, and infections, necessitating adequate follow up to determine the etiology. Case report: We present the case of a 79-year-old woman presenting to the emergency department (ED) with left flank pain. Computed tomography with angiography revealed a large left renal subcapsular hematoma with perinephric and retroperitoneal extension with active extravasation, characteristic of Wunderlich syndrome. The patient was treated emergently with transcatheter arterial embolization of the lower polar branch of her left renal artery. In the ED, WS can present with a variety of non-specific symptoms, making the diagnosis challenging for emergency physicians. Why should an emergency physician be aware of this?: Wunderlich syndrome is a rare, sudden, and life-threatening emergency that requires prompt diagnosis, as the hematoma can spread to the perinephric space leading to massive internal hemorrhage. Causes and presenting symptoms are variable, with flank pain being a common symptom. CT or MRI imaging is necessary for diagnosis, and embolization is often the treatment of choice to avoid further complications.
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spelling doaj-art-431c5ee8033043c382707b57dca194eb2025-02-05T04:32:54ZengElsevierJEM Reports2773-23202025-03-0141100144Unveiling Wunderlich syndrome: Diagnosis and management of a rare spontaneous renal hematomaRebecca Merrill0Pete Jordanides1Jessica Krizo2Erin L. Simon3Department of Emergency Medicine, Cleveland Clinic Akron General, 1 Akron General Ave, Akron, Ohio, 44307, USACollege of Medicine, Northeast Ohio Medical University, 4209 St. Rt. 44, PO Box 95, Rootstown, OH, 44272, USADepartment of Health Sciences, Cleveland Clinic Akron General, 1 Akron General Ave, Akron, Ohio, 44307, USADepartment of Emergency Medicine, Cleveland Clinic Akron General, 1 Akron General Ave, Akron, Ohio, 44307, USA; Corresponding author.Background: Wunderlich syndrome (WS) is a rare condition that is described as an atraumatic, spontaneous renal hemorrhage in the perirenal space. Symptoms typically present as nondescript flank pain, but a flank mass and hypovolemic shock are also possible. Computed tomography (CT) imaging with intravenous contrast should be the modality of choice to diagnose WS, with recent studies highlighting the efficacy of transcatheter arterial embolization (TAE) as the preferred treatment over surgery. WS is often secondary to conditions such as renal neoplasms, vascular diseases, and infections, necessitating adequate follow up to determine the etiology. Case report: We present the case of a 79-year-old woman presenting to the emergency department (ED) with left flank pain. Computed tomography with angiography revealed a large left renal subcapsular hematoma with perinephric and retroperitoneal extension with active extravasation, characteristic of Wunderlich syndrome. The patient was treated emergently with transcatheter arterial embolization of the lower polar branch of her left renal artery. In the ED, WS can present with a variety of non-specific symptoms, making the diagnosis challenging for emergency physicians. Why should an emergency physician be aware of this?: Wunderlich syndrome is a rare, sudden, and life-threatening emergency that requires prompt diagnosis, as the hematoma can spread to the perinephric space leading to massive internal hemorrhage. Causes and presenting symptoms are variable, with flank pain being a common symptom. CT or MRI imaging is necessary for diagnosis, and embolization is often the treatment of choice to avoid further complications.http://www.sciencedirect.com/science/article/pii/S2773232025000082Wunderlich syndromeEmergency departmentSpontaneous renal hemorrhageRenal hematoma
spellingShingle Rebecca Merrill
Pete Jordanides
Jessica Krizo
Erin L. Simon
Unveiling Wunderlich syndrome: Diagnosis and management of a rare spontaneous renal hematoma
JEM Reports
Wunderlich syndrome
Emergency department
Spontaneous renal hemorrhage
Renal hematoma
title Unveiling Wunderlich syndrome: Diagnosis and management of a rare spontaneous renal hematoma
title_full Unveiling Wunderlich syndrome: Diagnosis and management of a rare spontaneous renal hematoma
title_fullStr Unveiling Wunderlich syndrome: Diagnosis and management of a rare spontaneous renal hematoma
title_full_unstemmed Unveiling Wunderlich syndrome: Diagnosis and management of a rare spontaneous renal hematoma
title_short Unveiling Wunderlich syndrome: Diagnosis and management of a rare spontaneous renal hematoma
title_sort unveiling wunderlich syndrome diagnosis and management of a rare spontaneous renal hematoma
topic Wunderlich syndrome
Emergency department
Spontaneous renal hemorrhage
Renal hematoma
url http://www.sciencedirect.com/science/article/pii/S2773232025000082
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