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David Tzou, MD

Title(s)ASSOC PROF OF CLIN, Urology
SchoolSchool of Medicine
Address35 Medical Center Way, #A610
San Francisco CA 94143
PronounsHe/Him/His
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    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Researchers can login to make corrections and additions, or contact us for help. to make corrections and additions.
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    Altmetrics Details PMC Citations indicate the number of times the publication was cited by articles in PubMed Central, and the Altmetric score represents citations in news articles and social media. (Note that publications are often cited in additional ways that are not shown here.) Fields are based on how the National Library of Medicine (NLM) classifies the publication's journal and might not represent the specific topic of the publication. Translation tags are based on the publication type and the MeSH terms NLM assigns to the publication. Some publications (especially newer ones and publications not in PubMed) might not yet be assigned Field or Translation tags.) Click a Field or Translation tag to filter the publications.
    1. Bead beating demonstrates enhanced bacterial detection in kidney stone culture compared to traditional mortar-pestle processing. Microbiol Spectr. 2025 Aug 05; 13(8):e0088925. On TA, Anwar F, Chien AL, Hsu C-H, Vedantam G, Lainhart WD, Tzou DT. PMID: 40621921; PMCID: PMC12323306.
      View in: PubMed   Mentions:    Fields:    Translation:HumansCells
    2. Editorial Comment. J Urol. 2025 Aug; 214(2):175. Tzou DT. PMID: 40440724.
      View in: PubMed   Mentions:    Fields:    
    3. Editorial Comment on "Simultaneous Bilateral PCNL: Is It Cost-Effective?" Urology. 2025 Jun; 200:51. Tzou DT. PMID: 40120698.
      View in: PubMed   Mentions:    Fields:    
    4. A Modern Education Theory Approach to Development of a Benchtop Simulation Model for Ultrasound-Guided Percutaneous Nephrolithotomy. J Endourol. 2025 Feb; 39(2):185-190. Ghazi A, Shepard L, Li O, Im C, Schuler N, Saba P, Ballon-Landa E, Bechis SK, Hsi RS, Kavoussi N, Wiener S, Tzou DT, Sur RL, Chang HC, Tailly T, Ahn J, Bayne D, Chi T. PMID: 39718784.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    5. Letter: Radiating for Two: Quantifying Radiation Exposure to Pregnant Urologists During Percutaneous Nephrolithotomy. J Urol. 2025 Mar; 213(3):379-380. Tzou DT. PMID: 39571184.
      View in: PubMed   Mentions:    Fields:    
    6. What is the definition of stone dust and how does it compare with clinically insignificant residual fragments? A comprehensive review. World J Urol. 2024 May 04; 42(1):292. Panthier F, Kwok JL, Tzou DT, Monga M, Traxer O, Keller EX. PMID: 38704492.
      View in: PubMed   Mentions: 14     Fields:    Translation:Humans
    7. Ultrasound-Guided PCNL - Why Are We Still Performing Exclusively Fluoroscopic Access? Curr Urol Rep. 2023 Jul; 24(7):335-343. Tzou DT, Tailly TO, Stern KL. PMID: 37148423.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    8. Heterogeneity in stone culture protocols and endourologist practice patterns: a multi-institutional survey. Urolithiasis. 2022 Dec 12; 51(1):15. Tzou DT, Stern KL, Duty BD, Hsi RS, Canvasser NE, De S, Wong AC, Royal CR, Sloss ML, Ziemba JB, Harper JD, Bechis SK, Zampini AM, Borofsky MS, Bell JR, Friedlander JI, Leavitt DA, Nevo A, Patel ND, Patel RM, Okeke Z, Rivera ME, Hsu CH, Chi T, Vedantam G, Lainhart WD. PMID: 36507964.
      View in: PubMed   Mentions: 3     Fields:    Translation:HumansCells
    9. Multi-Institutional Variation in Performance of Low-Dose Computed Tomography for the Evaluation of Suspected Nephrolithiasis. J Endourol. 2022 10; 36(10):1377-1381. Raskolnikov D, Tzou DT, Ahn JS, Bechis SK, Chi TL, Sorensen MD, Stoller ML, Harper JD. PMID: 35652350.
      View in: PubMed   Mentions:    Fields:    Translation:HumansPHPublic Health
    10. Reply by Authors. Urol Pract. 2021 Mar; 8(2):252. Bergersen AM, Khan I, Wong AC, Chipollini JJ, Weiss BD, Tzou DT. PMID: 37145652.
      View in: PubMed   Mentions:    Fields:    
    11. Online Kidney Stone Educational Materials Do Not Meet Recommended Readability Standards. Urol Pract. 2021 Mar; 8(2):246-252. Bergersen AM, Khan I, Wong AC, Chipollini JJ, Weiss BD, Tzou DT. PMID: 37145608.
      View in: PubMed   Mentions: 4     Fields:    
    12. Fatty acid-binding protein 4 downregulation drives calcification in the development of kidney stone disease. Kidney Int. 2020 05; 97(5):1042-1056. Taguchi K, Chen L, Usawachintachit M, Hamamoto S, Kang M, Sugino T, Unno R, Tzou DT, Sherer BA, Okada A, Yasui T, Ho SP, Stoller ML, Chi T. PMID: 32247632.
      View in: PubMed   Mentions: 30     Fields:    Translation:HumansCells
    13. Holmium Laser Enucleation of the Prostate Is Safe and Feasible as a Same Day Surgery. Urology. 2020 04; 138:119-124. Lwin AA, Zeng J, Evans P, Phung MC, Hynes KA, Price ET, Twiss CO, Tzou DT, Funk JT. PMID: 31962119.
      View in: PubMed   Mentions: 13     Fields:    Translation:Humans
    14. Ultrasound-guided Morcellation During Difficult Holmium Laser Enucleation of the Prostate. Urology. 2020 Jan; 135:171-172. Tzou DT, Metzler IS, Tsai C, Goodman J, Bayne DB, Chi T. PMID: 31589882; PMCID: PMC8021387.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    15. Ultrasound guidance can be used safely for renal tract dilatation during percutaneous nephrolithotomy. BJU Int. 2020 02; 125(2):284-291. Armas-Phan M, Tzou DT, Bayne DB, Wiener SV, Stoller ML, Chi T. PMID: 30811835.
      View in: PubMed   Mentions: 13     Fields:    Translation:Humans
    16. Techniques - Ultrasound-guided percutaneous nephrolithotomy: How we do it. Can Urol Assoc J. 2020 Mar; 14(3):E104-E110. Beiko D, Razvi H, Bhojani N, Bjazevic J, Bayne DB, Tzou DT, Stoller ML, Chi T. PMID: 31599714; PMCID: PMC7053366.
      View in: PubMed   Mentions: 7  
    17. The Impact of Stone Multiplicity on Surgical Decisions for Patients with Large Stone Burden: Results from ReSKU. J Endourol. 2019 09; 33(9):742-749. Zetumer S, Wiener S, Bayne DB, Armas-Phan M, Washington SL, Tzou DT, Stoller M, Chi T. PMID: 31044624; PMCID: PMC6748398.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    18. Ultrasound-guided Access and Dilation for Percutaneous Nephrolithotomy in the Supine Position: A Step-by-Step Approach. Urology. 2019 Nov; 133:245-246. Tzou DT, Metzler IS, Usawachintachit M, Stoller ML, Chi T. PMID: 31376473; PMCID: PMC8021388.
      View in: PubMed   Mentions: 6     Fields:    Translation:Humans
    19. Low Income and Nonwhite Race are Strongly Associated with Worse Quality of Life in Patients with Nephrolithiasis. J Urol. 2019 07; 202(1):119-124. Ahmad TR, Tzou DT, Usawachintachit M, Reliford-Titus S, Wu C, Goodman J, Antonelli JA, Viprakasit DP, Averch TD, Sivalingam S, Chew BH, Bird VG, Pais VM, Streeper NM, Sur RL, Nakada SY, Penniston KL, Chi T. PMID: 30865567.
      View in: PubMed   Mentions: 11     Fields:    Translation:Humans
    20. Computed Tomography Radiation Exposure Among Referred Kidney Stone Patients: Results from the Registry for Stones of the Kidney and Ureter. J Endourol. 2019 07; 33(7):619-624. Tzou DT, Zetumer S, Usawachintachit M, Taguchi K, Bechis SK, Duty BD, Harper JD, Hsi RS, Sorensen M, Sur RL, Reliford-Titus S, Chang HC, Isaacson D, Bayne DB, Wang ZJ, Stoller ML, Chi T. PMID: 31030576; PMCID: PMC6657296.
      View in: PubMed   Mentions: 7     Fields:    Translation:HumansPHPublic Health
    21. Influence of Socioeconomic Factors on Stone Burden at Presentation to Tertiary Referral Center: Data From the Registry for Stones of the Kidney and Ureter. Urology. 2019 Sep; 131:57-63. Bayne DB, Usawachintachit M, Armas-Phan M, Tzou DT, Wiener S, Brown TT, Stoller M, Chi TL. PMID: 31132427; PMCID: PMC6711808.
      View in: PubMed   Mentions: 13     Fields:    Translation:Humans
    22. Response to Stutz et al. re: "Management of Suspected Bladder Injury and Capsular Perforation After Holmium Laser Enucleation of the Prostate". J Endourol Case Rep. 2018; 4(1):205. Lwin A, Tzou D, Funk J. PMID: 30588507; PMCID: PMC6302907.
      View in: PubMed   Mentions:
    23. Editorial Comment. J Urol. 2018 11; 200(5):972. Tzou DT, Chi T. PMID: 30081021.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    24. Increasing Body Mass Index Steepens the Learning Curve for Ultrasound-guided Percutaneous Nephrolithotomy. Urology. 2018 Oct; 120:68-73. Bayne DB, Usawachintachit M, Tzou D, Taguchi K, Shindel A, Chi TL. PMID: 30077540; PMCID: PMC6613948.
      View in: PubMed   Mentions: 5     Fields:    Translation:Humans
    25. Ultrasound-Guided Morcellation During Holmium Laser Enucleation of the Prostate. J Endourol Case Rep. 2018; 4(1):133-135. Tzou DT, Metzler IS, Stoller ML, Chi T. PMID: 30131978; PMCID: PMC6100697.
      View in: PubMed   Mentions: 1  
    26. Management of Suspected Bladder Injury and Capsular Perforation After Holmium Laser Enucleation of the Prostate. J Endourol Case Rep. 2018; 4(1):87-90. Lwin A, Hynes K, Tzou D, Funk J. PMID: 29938230; PMCID: PMC6014571.
      View in: PubMed   Mentions: 4  
    27. Management of Inverted Papilloma During Holmium Laser Enucleation of the Prostate. Urology. 2018 Jun; 116:e5-e6. Tzou DT, Cadwell C, Simko JP, Chi T, Stoller ML. PMID: 29545053.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    28. Micro-Costing Analysis Demonstrates Comparable Costs for LithoVue Compared to Reusable Flexible Fiberoptic Ureteroscopes. J Endourol. 2018 04; 32(4):267-273. Taguchi K, Usawachintachit M, Tzou DT, Sherer BA, Metzler I, Isaacson D, Stoller ML, Chi T. PMID: 29239227.
      View in: PubMed   Mentions: 28     Fields:    Translation:HumansPHPublic Health
    29. Clinical Outcomes for Cystinuria Patients with Unilateral Versus Bilateral Cystine Stone Disease. J Endourol. 2018 02; 32(2):148-153. Usawachintachit M, Sherer B, Hudnall M, Tzou DT, Taguchi K, Hsi RS, Stoller M, Chi T. PMID: 29179563; PMCID: PMC5813729.
      View in: PubMed   Mentions: 9     Fields:    Translation:Humans
    30. Identifying factors associated with need for flexible ureteroscope repair: a Western Endourology STone (WEST) research consortium prospective cohort study. Urolithiasis. 2018 Nov; 46(6):559-566. Taguchi K, Harper JD, Stoller ML, Duty BD, Sorensen MD, Sur RL, Usawachintachit M, Tzou DT, Wenzler DL, Isaacson D, Xu A, Chu C, Zaid UB, Taylor ER, Ramaswamy K, Chi T. PMID: 29224057.
      View in: PubMed   Mentions: 12     Fields:    Translation:Humans
    31. Variation in Radiologic and Urologic Computed Tomography Interpretation of Urinary Tract Stone Burden: Results From the Registry for Stones of the Kidney and Ureter. Urology. 2018 Jan; 111:59-64. Tzou DT, Isaacson D, Usawachintachit M, Wang ZJ, Taguchi K, Hills NK, Hsi RS, Sherer BA, Reliford-Titus S, Duty B, Harper JD, Sorensen M, Sur RL, Stoller ML, Chi T. PMID: 29032235; PMCID: PMC6139031.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    32. Defining the Costs of Reusable Flexible Ureteroscope Reprocessing Using Time-Driven Activity-Based Costing. J Endourol. 2017 10; 31(10):1026-1031. Isaacson D, Ahmad T, Metzler I, Tzou DT, Taguchi K, Usawachintachit M, Zetumer S, Sherer B, Stoller M, Chi T. PMID: 28830223; PMCID: PMC5652038.
      View in: PubMed   Mentions: 12     Fields:    Translation:HumansPHPublic Health
    33. Optimizing RNA Extraction of Renal Papilla Biopsy Tissue in Kidney Stone Formers: A New Methodology for Genomic Study. J Endourol. 2017 09; 31(9):922-929. Taguchi K, Usawachintachit M, Hamamoto S, Unno R, Tzou DT, Sherer BA, Wang Y, Okada A, Stoller ML, Yasui T, Chi T. PMID: 28719978; PMCID: PMC5610383.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    34. Contrast Enhanced Ultrasound as a Radiation-Free Alternative to Fluoroscopic Nephrostogram for Evaluating Ureteral Patency. J Urol. 2017 12; 198(6):1367-1373. Chi T, Usawachintachit M, Weinstein S, Kohi MP, Taylor A, Tzou DT, Chang HC, Stoller M, Mongan J. PMID: 28743528.
      View in: PubMed   Mentions: 11     Fields:    Translation:Humans
    35. A Prospective Case-Control Study Comparing LithoVue, a Single-Use, Flexible Disposable Ureteroscope, with Flexible, Reusable Fiber-Optic Ureteroscopes. J Endourol. 2017 05; 31(5):468-475. Usawachintachit M, Isaacson DS, Taguchi K, Tzou DT, Hsi RS, Sherer BA, Stoller ML, Chi T. PMID: 28287823; PMCID: PMC5439446.
      View in: PubMed   Mentions: 37     Fields:    Translation:Humans
    36. Ultrasound-Guided Renal Access and Tract Dilation. Videourology (New Rochelle). 2017; 31(1). Usawachintachit M, Tzou DT, Washington SL, Hu W, Li J, Chi T. PMID: 32292638; PMCID: PMC6964241.
      View in: PubMed   Mentions: 4  
    37. Cystoscopic Evaluation of Bladder Leiomyoma. Urology. 2017 Aug; 106:e1-e2. Washington SL, Eslami A, Tzou DT. PMID: 28161381.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    38. Ultrasound Guidance Reduces Percutaneous Nephrolithotomy Cost Compared to Fluoroscopy. Urology. 2017 May; 103:52-58. Hudnall M, Usawachintachit M, Metzler I, Tzou DT, Harrison B, Lobo E, Chi T. PMID: 28024969; PMCID: PMC6081202.
      View in: PubMed   Mentions: 13     Fields:    Translation:Humans
    39. Contrast Enhanced Ultrasound Detects Recurrent Renal Cell Carcinoma in the Setting of Chronic Renal Insufficiency. Clin Genitourin Cancer. 2017 08; 15(4):e735-e737. Tzou DT, Weinstein S, Usawachintachit M, Mongan J, Greene KL, Chi T. PMID: 28131753; PMCID: PMC5540333.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    40. Feasibility of Retrograde Ureteral Contrast Injection to Guide Ultrasonographic Percutaneous Renal Access in the Nondilated Collecting System. J Endourol. 2017 02; 31(2):129-134. Usawachintachit M, Tzou DT, Mongan J, Taguchi K, Weinstein S, Chi T. PMID: 27809568; PMCID: PMC5312625.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    41. Antegrade ultrasound contrast injection facilitates accurate nephrostomy tube positioning during percutaneous nephrolithotomy. Int J Urol. 2017 03; 24(3):239-240. Usawachintachit M, Tzou DT, Mongan J, Weinstein S, Chi T. PMID: 27862356; PMCID: PMC6081197.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    42. Animal models of urinary stone disease. Int J Surg. 2016 Dec; 36(Pt D):596-606. Tzou DT, Taguchi K, Chi T, Stoller ML. PMID: 27840313.
      View in: PubMed   Mentions: 19     Fields:    Translation:HumansAnimals
    43. Ultrasound Use in Urinary Stones: Adapting Old Technology for a Modern-Day Disease. J Endourol. 2017 Apr; 31(S1):S89-S94. Tzou DT, Usawachintachit M, Taguchi K, Chi T. PMID: 27733052; PMCID: PMC5397246.
      View in: PubMed   Mentions: 14     Fields:    Translation:Humans
    44. Rationale and Design of the Registry for Stones of the Kidney and Ureter (ReSKU): A Prospective Observational Registry to Study the Natural History of Urolithiasis Patients. J Endourol. 2016 12; 30(12):1332-1338. Chang HC, Tzou DT, Usawachintachit M, Duty BD, Hsi RS, Harper JD, Sorensen MD, Stoller ML, Sur RL, Chi T. PMID: 27758162; PMCID: PMC5144847.
      View in: PubMed   Mentions: 21     Fields:    Translation:Humans
    45. X-ray-free Ultrasound-guided Percutaneous Nephrolithotomy: How to Select the Right Patient? Urology. 2017 Feb; 100:38-44. Usawachintachit M, Tzou DT, Hu W, Li J, Chi T. PMID: 27720776; PMCID: PMC5648536.
      View in: PubMed   Mentions: 14     Fields:    Translation:Humans
    46. HoLEP: the gold standard for the surgical management of BPH in the 21(st) Century. Am J Clin Exp Urol. 2015; 3(1):36-42. Michalak J, Tzou D, Funk J. PMID: 26069886; PMCID: PMC4446381.
      View in: PubMed   Mentions: 52  
    47. The failure of a nerve sparing template to improve urinary continence after radical prostatectomy: attention to study design. Urol Oncol. 2009 Jul-Aug; 27(4):358-62. Tzou DT, Dalkin BL, Christopher BA, Cui H. PMID: 18439849.
      View in: PubMed   Mentions: 9     Fields:    Translation:HumansCells
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