A Retrospective Comparative Outcomes and Cost Analysis of Office Based, Ultrasound Guided Renal Mass Biopsy Performed by Urologists and Standard Hospital Biopsies for Small Renal Masses

Kassem Faraj, Chirag Dave, Kunal Patel, Brian Seifman, Stephen Vartanian, Rene Frontera, Ryan Nelson, Jason Hafron, Edward W. Schervish

Research output: Contribution to journalArticle

Abstract

Introduction: Renal mass biopsy is useful in the evaluation of small renal masses. We have previously reported that office based, ultrasound guided renal mass biopsy is safe, effective and feasible when performed by urologists. This study compares office based, ultrasound guided renal mass biopsy performed by urologists and hospital based renal mass biopsy. Methods: We retrospectively studied 70 patients who underwent office based, ultrasound guided renal mass biopsy and 155 who underwent hospital based, ultrasound or computerized tomography guided renal mass biopsy for evaluation of a small renal mass (4.0 cm or less) between January 2010 and February 2016. Results: A total of 70 patients underwent office based, ultrasound guided renal mass biopsy. Median age in this group was 69.5 years, median body mass index was 29.5 kg/m2 and 61.4% of the patients (43) were male. A total of 103 patients underwent hospital based, ultrasound guided biopsy. Median age in this group was 68.0 years, median body mass index was 29.3 kg/m2 and 53.4% of the patients (55) were male. Finally, 52 patients underwent hospital based, computerized tomography guided biopsy. Median age in this group was 69 years, median body mass index was 30.1 kg/m2 and 51.9% of the patients (27) were male. Median tumor size was 2.7 cm in patients undergoing office based, ultrasound guided renal mass biopsy, 2.2 cm in those undergoing hospital based, ultrasound guided biopsy and 2.1 cm in those undergoing hospital based, computerized tomography guided biopsy (p = 0.001). Renal cell carcinoma was found in 43 of 70 (61.4%), 74 of 103 (71.8%) and 33 of 52 (63.5%) respective biopsies. Respective diagnostic rates were 81.4% (57 of 70 cases), 88.3% (91 of 103) and 86.5% (45 of 52, p = 0.434). Concordance with surgical pathology was 97.7% (42 of 43 cases), 100% (35 of 35) and 100% (15 of 15), respectively. Complication rates were 4.3% (3 of 70 patients), 13.6% (14 of 103) and 13.5% (7 of 52), respectively (p = 0.096). Cost analysis revealed that when available, office based, ultrasound guided renal mass biopsy provides the health care system a total savings of approximately $46,011 yearly. Conclusions: Office based, ultrasound guided renal mass biopsy for small renal masses is a safe and efficacious option for select patients, and potentially offers greater convenience and availability as well as decreased health care costs.

Original languageEnglish (US)
Pages (from-to)260-265
Number of pages6
JournalUrology Practice
Volume5
Issue number4
DOIs
StatePublished - Jul 1 2018
Externally publishedYes

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Kidney
Biopsy
Costs and Cost Analysis
Body Mass Index
Age Groups
Tomography
Urologists
Surgical Pathology
Renal Cell Carcinoma
Health Care Costs
Delivery of Health Care

Keywords

  • biopsy
  • carcinoma
  • costs and cost analysis
  • kidney
  • renal cell

ASJC Scopus subject areas

  • Urology

Cite this

A Retrospective Comparative Outcomes and Cost Analysis of Office Based, Ultrasound Guided Renal Mass Biopsy Performed by Urologists and Standard Hospital Biopsies for Small Renal Masses. / Faraj, Kassem; Dave, Chirag; Patel, Kunal; Seifman, Brian; Vartanian, Stephen; Frontera, Rene; Nelson, Ryan; Hafron, Jason; Schervish, Edward W.

In: Urology Practice, Vol. 5, No. 4, 01.07.2018, p. 260-265.

Research output: Contribution to journalArticle

Faraj, Kassem ; Dave, Chirag ; Patel, Kunal ; Seifman, Brian ; Vartanian, Stephen ; Frontera, Rene ; Nelson, Ryan ; Hafron, Jason ; Schervish, Edward W. / A Retrospective Comparative Outcomes and Cost Analysis of Office Based, Ultrasound Guided Renal Mass Biopsy Performed by Urologists and Standard Hospital Biopsies for Small Renal Masses. In: Urology Practice. 2018 ; Vol. 5, No. 4. pp. 260-265.
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abstract = "Introduction: Renal mass biopsy is useful in the evaluation of small renal masses. We have previously reported that office based, ultrasound guided renal mass biopsy is safe, effective and feasible when performed by urologists. This study compares office based, ultrasound guided renal mass biopsy performed by urologists and hospital based renal mass biopsy. Methods: We retrospectively studied 70 patients who underwent office based, ultrasound guided renal mass biopsy and 155 who underwent hospital based, ultrasound or computerized tomography guided renal mass biopsy for evaluation of a small renal mass (4.0 cm or less) between January 2010 and February 2016. Results: A total of 70 patients underwent office based, ultrasound guided renal mass biopsy. Median age in this group was 69.5 years, median body mass index was 29.5 kg/m2 and 61.4{\%} of the patients (43) were male. A total of 103 patients underwent hospital based, ultrasound guided biopsy. Median age in this group was 68.0 years, median body mass index was 29.3 kg/m2 and 53.4{\%} of the patients (55) were male. Finally, 52 patients underwent hospital based, computerized tomography guided biopsy. Median age in this group was 69 years, median body mass index was 30.1 kg/m2 and 51.9{\%} of the patients (27) were male. Median tumor size was 2.7 cm in patients undergoing office based, ultrasound guided renal mass biopsy, 2.2 cm in those undergoing hospital based, ultrasound guided biopsy and 2.1 cm in those undergoing hospital based, computerized tomography guided biopsy (p = 0.001). Renal cell carcinoma was found in 43 of 70 (61.4{\%}), 74 of 103 (71.8{\%}) and 33 of 52 (63.5{\%}) respective biopsies. Respective diagnostic rates were 81.4{\%} (57 of 70 cases), 88.3{\%} (91 of 103) and 86.5{\%} (45 of 52, p = 0.434). Concordance with surgical pathology was 97.7{\%} (42 of 43 cases), 100{\%} (35 of 35) and 100{\%} (15 of 15), respectively. Complication rates were 4.3{\%} (3 of 70 patients), 13.6{\%} (14 of 103) and 13.5{\%} (7 of 52), respectively (p = 0.096). Cost analysis revealed that when available, office based, ultrasound guided renal mass biopsy provides the health care system a total savings of approximately $46,011 yearly. Conclusions: Office based, ultrasound guided renal mass biopsy for small renal masses is a safe and efficacious option for select patients, and potentially offers greater convenience and availability as well as decreased health care costs.",
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T1 - A Retrospective Comparative Outcomes and Cost Analysis of Office Based, Ultrasound Guided Renal Mass Biopsy Performed by Urologists and Standard Hospital Biopsies for Small Renal Masses

AU - Faraj, Kassem

AU - Dave, Chirag

AU - Patel, Kunal

AU - Seifman, Brian

AU - Vartanian, Stephen

AU - Frontera, Rene

AU - Nelson, Ryan

AU - Hafron, Jason

AU - Schervish, Edward W.

PY - 2018/7/1

Y1 - 2018/7/1

N2 - Introduction: Renal mass biopsy is useful in the evaluation of small renal masses. We have previously reported that office based, ultrasound guided renal mass biopsy is safe, effective and feasible when performed by urologists. This study compares office based, ultrasound guided renal mass biopsy performed by urologists and hospital based renal mass biopsy. Methods: We retrospectively studied 70 patients who underwent office based, ultrasound guided renal mass biopsy and 155 who underwent hospital based, ultrasound or computerized tomography guided renal mass biopsy for evaluation of a small renal mass (4.0 cm or less) between January 2010 and February 2016. Results: A total of 70 patients underwent office based, ultrasound guided renal mass biopsy. Median age in this group was 69.5 years, median body mass index was 29.5 kg/m2 and 61.4% of the patients (43) were male. A total of 103 patients underwent hospital based, ultrasound guided biopsy. Median age in this group was 68.0 years, median body mass index was 29.3 kg/m2 and 53.4% of the patients (55) were male. Finally, 52 patients underwent hospital based, computerized tomography guided biopsy. Median age in this group was 69 years, median body mass index was 30.1 kg/m2 and 51.9% of the patients (27) were male. Median tumor size was 2.7 cm in patients undergoing office based, ultrasound guided renal mass biopsy, 2.2 cm in those undergoing hospital based, ultrasound guided biopsy and 2.1 cm in those undergoing hospital based, computerized tomography guided biopsy (p = 0.001). Renal cell carcinoma was found in 43 of 70 (61.4%), 74 of 103 (71.8%) and 33 of 52 (63.5%) respective biopsies. Respective diagnostic rates were 81.4% (57 of 70 cases), 88.3% (91 of 103) and 86.5% (45 of 52, p = 0.434). Concordance with surgical pathology was 97.7% (42 of 43 cases), 100% (35 of 35) and 100% (15 of 15), respectively. Complication rates were 4.3% (3 of 70 patients), 13.6% (14 of 103) and 13.5% (7 of 52), respectively (p = 0.096). Cost analysis revealed that when available, office based, ultrasound guided renal mass biopsy provides the health care system a total savings of approximately $46,011 yearly. Conclusions: Office based, ultrasound guided renal mass biopsy for small renal masses is a safe and efficacious option for select patients, and potentially offers greater convenience and availability as well as decreased health care costs.

AB - Introduction: Renal mass biopsy is useful in the evaluation of small renal masses. We have previously reported that office based, ultrasound guided renal mass biopsy is safe, effective and feasible when performed by urologists. This study compares office based, ultrasound guided renal mass biopsy performed by urologists and hospital based renal mass biopsy. Methods: We retrospectively studied 70 patients who underwent office based, ultrasound guided renal mass biopsy and 155 who underwent hospital based, ultrasound or computerized tomography guided renal mass biopsy for evaluation of a small renal mass (4.0 cm or less) between January 2010 and February 2016. Results: A total of 70 patients underwent office based, ultrasound guided renal mass biopsy. Median age in this group was 69.5 years, median body mass index was 29.5 kg/m2 and 61.4% of the patients (43) were male. A total of 103 patients underwent hospital based, ultrasound guided biopsy. Median age in this group was 68.0 years, median body mass index was 29.3 kg/m2 and 53.4% of the patients (55) were male. Finally, 52 patients underwent hospital based, computerized tomography guided biopsy. Median age in this group was 69 years, median body mass index was 30.1 kg/m2 and 51.9% of the patients (27) were male. Median tumor size was 2.7 cm in patients undergoing office based, ultrasound guided renal mass biopsy, 2.2 cm in those undergoing hospital based, ultrasound guided biopsy and 2.1 cm in those undergoing hospital based, computerized tomography guided biopsy (p = 0.001). Renal cell carcinoma was found in 43 of 70 (61.4%), 74 of 103 (71.8%) and 33 of 52 (63.5%) respective biopsies. Respective diagnostic rates were 81.4% (57 of 70 cases), 88.3% (91 of 103) and 86.5% (45 of 52, p = 0.434). Concordance with surgical pathology was 97.7% (42 of 43 cases), 100% (35 of 35) and 100% (15 of 15), respectively. Complication rates were 4.3% (3 of 70 patients), 13.6% (14 of 103) and 13.5% (7 of 52), respectively (p = 0.096). Cost analysis revealed that when available, office based, ultrasound guided renal mass biopsy provides the health care system a total savings of approximately $46,011 yearly. Conclusions: Office based, ultrasound guided renal mass biopsy for small renal masses is a safe and efficacious option for select patients, and potentially offers greater convenience and availability as well as decreased health care costs.

KW - biopsy

KW - carcinoma

KW - costs and cost analysis

KW - kidney

KW - renal cell

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