What question did this study set out to answer?

To explore the use of onyx-34 for closing urinary fistulas following renal surgery, particularly in high-risk patients.

March 30, 2026Indian Journal of UrologyOpen Access

Embolization of post-partial nephrectomy upper calyceal-perirenal urinary fistula using onyx-34: A novel application of a (pseudo-) liquid embolic agent

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Authors

MBMaria Vittoria BazzocchiAzienda Unità Sanitaria Locale Della Romagna EGEmanuela GiampalmaCollegio Carlo Alberto AVAntonio VizzusoAzienda Unità Sanitaria Locale Della Romagna

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Implication

Case report demonstrates embolization of a complex urinary fistula in a patient with pheochromocytoma, suggesting onyx-34 as a viable non-surgical option.

Key Points

To explore the use of onyx-34 for closing urinary fistulas following renal surgery, particularly in high-risk patients.
Described a case of a patient with a persistent urinary fistula following nephron-sparing surgery.
Embolization performed using onyx-34 via percutaneous nephrostomy access.
Patient had a history of pheochromocytoma and sigmoid adenocarcinoma.
Successful immediate closure of the urinary leak was achieved through embolization.
Demonstrated potential of onyx-34 as a minimally invasive treatment for urinary fistulas.
The case highlights the role of onyx-34 in patients with contraindications to surgical interventions.

Cite This Study

Bazzocchi et al. (2026) studied this question.

synapsesocial.com/papers/69c9c553f8fdd13afe0bd3a4 https://doi.org/10.4103/iju.iju_505_25

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Implication

Case report demonstrates embolization of a complex urinary fistula in a patient with pheochromocytoma, suggesting onyx-34 as a viable non-surgical option.

Embolization of post-partial nephrectomy upper calyceal-perirenal urinary fistula using onyx-34: A novel application of a (pseudo-) liquid embolic agent

Discussion

Member takes

Implication

Key Points

Cite This Study

Embolization of post-partial nephrectomy upper calyceal-perirenal urinary fistula using onyx-34: A novel application of a (pseudo-) liquid embolic agent

Discussion

Member takes

Implication

Key Points

Cite This Study

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