Case Report: Looks can deceive: acute postoperative progressive renal dysfunction and hyperkalemia without significant hydronephrosis
The absence of hydronephrosis on imaging cannot exclude obstruction, particularly in patients with a solitary functional kidney and high-risk features such as retroperitoneal malignancy. Early clinical deterioration should prompt a high index of suspicion and further diagnostic evaluation to prevent irreversible renal injury.
Authors
- Reza Abbasioun (ORCID: https://orcid.org/0000-0001-5523-9121)
- Valentina Grajales (ORCID: https://orcid.org/0000-0002-1866-6148)
- Shreyas Joshi (ORCID: https://orcid.org/0000-0002-0020-5298)
- Ernest Morton (ORCID: https://orcid.org/0009-0001-9123-507X)
- Mehmet Asım Bilen (ORCID: https://orcid.org/0000-0003-4003-1103)
- Kenneth Ogan (ORCID: https://orcid.org/0000-0001-7715-3724)
- Vivek Narayan (ORCID: https://orcid.org/0000-0002-8205-738X)
- Jocelyn Nguyen
- Peter Ju Park
- Reza Lahiji (ORCID: https://orcid.org/0009-0009-3205-3944)
- William Luke (ORCID: https://orcid.org/0009-0005-7258-5022)
- Lorenzo Storino Ramacciotti
- Mohammad Hajiha
- Viraj A. Master
- Talia Avigail Helman
- Ahmet Yildirim
- Behnam Nabavizadeh
Institutions
- Emory University (US)
- Cornell University (US)
- Cancer Institute (WIA) (IN)
- Duke Medical Center (US)
- Weill Cornell Medicine (US)
Publication Details
- Journal
- Frontiers in Oncology
- Published
- 2026-01-30
- DOI
- https://doi.org/10.3389/fonc.2026.1685283
- Primary Topic
- Potassium and Related Disorders
- Type
- article
- Field-Weighted Citation Impact
- 0.00