Oncocytoma on renal mass biopsy: is it still the same histology when surgery is performed? Results from UroCCR-104 study

Branger, Nicolas; Bigot, Pierre; Pignot, G.; Lorusso, Vito; Audenet, François; Parier, Bastien; Doumerc, N.; Brenier, Martin; Xylinas, Évanguelos; Boissier, R.; Rouprêt, Morgan; Champy, C.; Nouhaud, François-Xavier; Lang, Hervé; Charles, T.; Mallet, R.; Bensalah, Karim; Bernhard, Jean‐Christophe

doi:10.1007/s00345-022-04261-3

Cited by 4 publications

(4 citation statements)

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“…Of these 34 benign tumors, 22 were oncocytomas. However, the diagnosis is difficult, and it can be tricky to identify chromophobe renal cell carcinoma, with 9 to 25% of patients having a final diagnosis of clear cell carcinoma [ 33 , 34 ]. The other benign tumors included five angiomyolipomas, five symptomatic cysts, one hemangioma, and a metanephric adenoma.…”

Section: Discussionmentioning

confidence: 99%

Long-Term Oncological and Functional Outcomes after Laparoscopic Partial Nephrectomy with Hyperselective Embolization of Tumor Vessels in a Hybrid Operating Room

Frantz,

Bouvier,

Culty

et al. 2023

JCM

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Laparoscopic partial nephrectomy (LPN) after hyperselective embolization of tumor vessels (HETV) in a hybrid operating room (HOR) that combines traditional surgical equipment with advanced imaging technology, is a non-clamping surgical approach to treat localized kidney tumors that has shown promising short-term results. The aim of this study was to evaluate the long-term oncological and functional outcomes of this procedure. All consecutive patients treated for a localized kidney tumor by LPN after HETV between May 2015 and October 2022 in a single academic institution were included in the study. Clinical, pathological and biological data were collected prospectively in the uroCCR database. We evaluated intraoperative data, postoperative complications, surgical margin and modification of renal function after surgery. We included 245 patients. The median tumor size was 3.2 (2.5–4.4) cm. The R.E.N.A.L. complexity was low, medium and high for 104 (43.5%), 109 (45.6%) and 26 (10.9%) patients, respectively. Median LPN time was 75 (65–100) min and median blood loss was 100 (50–300) mL. Surgical postoperative complications occurred in 56 (22.9%) patients with 17 (5.7%) major complications. The median Glomerular Function Rate variation at 6 months was −7.5 (−15–−2) mL/min. Malignant tumors were present in 211 (86.1%) patients, and 12 (4.9%) patients had positive surgical margins. After a median follow-up of 27 (8–49) months, 20 (8.2%) patients had a tumor recurrence and 4 (1.6%) died from cancer. At 5 years, disease free survival, cancer specific survival and overall survival rates were 84%, 96.8% and 88.3%, respectively. Performing LPN after HETV in a HOT is a safe and efficient non-clamping approach to treat localized kidney tumors.

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Section: Discussionmentioning

confidence: 99%

Long-Term Oncological and Functional Outcomes after Laparoscopic Partial Nephrectomy with Hyperselective Embolization of Tumor Vessels in a Hybrid Operating Room

Frantz,

Bouvier,

Culty

et al. 2023

JCM

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“…The fourth factor is what diagnostic criteria should be used to make a diagnosis of a benign/low‐risk lesion. Renal biopsy interpretation can be difficult, and the literature documents very high error rates for pathologists without extensive experience 7,8 . Complicating the matter further, many large series fail to document any diagnostic criteria at all 8,9 .…”

Section: Entity Morphology Ancillary Studies Commentmentioning

confidence: 99%

“…Renal biopsy interpretation can be difficult, and the literature documents very high error rates for pathologists without extensive experience 7,8 . Complicating the matter further, many large series fail to document any diagnostic criteria at all 8,9 . Not surprisingly, when diagnostic criteria are defined and rigorously applied, the accuracy of the diagnosis is markedly increased 1 …”

Section: Entity Morphology Ancillary Studies Commentmentioning

confidence: 99%

“…7,8 Complicating the matter further, many large series fail to document any diagnostic criteria at all. 8,9 Not surprisingly, when diagnostic criteria are defined and rigorously applied, the accuracy of the diagnosis is markedly increased. 1 Given these variables, we propose three distinct groups of benign/low-risk tumors on the basis of the ROM and the reliability of cytologic criteria for diagnosis on renal biopsy.…”

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