What did @dr.elon.swift actually say?
The video gives a brisk, 30-second walkthrough of how a prostate biopsy works. The creator says patients get "local anesthesia to numb the area," that a needle goes in "through the rectum or sometimes through the skin near the scrotum," that "10 to 12 cores" are taken, and that the whole thing wraps up "in less than 30 minutes." The framing is procedural and calm, aimed at demystifying a test that a lot of men avoid because they don't know what it involves.
The video doesn't mention PSA testing, why a biopsy gets ordered in the first place, or what happens after abnormal pathology comes back. For a 60-second TikTok in the men's health space, that's understandable. But the omissions matter, and one claim is outdated enough to flag.
Does the science back this up?
Mostly, yes. The core procedural description is accurate, and the two-route framing reflects real clinical practice. Where it gets complicated is the implied equivalence between the transrectal and transperineal approaches. The evidence now leans clearly toward transperineal.
A 2023 randomized controlled trial published in the New England Journal of Medicine (Jacewicz et al., 2023) found that transperineal biopsy carried a significantly lower risk of serious infection compared to transrectal biopsy. The transrectal approach has historically been standard, but antibiotic-resistant organisms picked up from rectal flora have driven a shift in guidelines. The European Association of Urology updated its guidance in 2023 to recommend transperineal as the preferred route. The American Urological Association has been moving in the same direction.
The "10 to 12 cores" figure is also accurate. Systematic 12-core biopsy has been the standard template since Eskew et al. described extended-core protocols in the late 1990s, and it remains widely used, though MRI-targeted fusion biopsies are now common in centers with that capability.
What did they get wrong (or right)?
The creator gets the basic anatomy and mechanics right. The anesthesia mention is accurate. The core count is accurate. The sub-30-minute timeframe is realistic for an outpatient setting.
The issue is framing transrectal and transperineal as roughly equivalent options when the evidence has moved on. Presenting the transrectal route first, without any infection-risk context, undersells a real clinical concern. Post-biopsy sepsis from transrectal biopsy isn't rare. A large population study by Nam et al. (2013, Journal of Urology) found hospitalization rates after transrectal biopsy around 1-3%, with sepsis being the primary driver. That's not a footnote, that's something men asking their urologist about biopsy should know before they go in.
To be fair, the creator didn't say transrectal was safer. They just described it first and without context. In a format where most viewers will anchor on the first option mentioned, that ordering matters.
- Correct: local anesthesia is standard
- Correct: ultrasound guidance is used
- Correct: 10 to 12 cores is the standard systematic template
- Incomplete: no mention of infection risk differential between routes
- Incomplete: no mention of MRI-targeted or fusion biopsy, now widely available
What should you actually know?
If you or someone you know is heading into a prostate biopsy conversation, the route question is worth asking your urologist about directly. Transperineal biopsy requires a slightly different setup and not every practice offers it, but the infection profile is meaningfully better. A 2022 meta-analysis by Togo et al. in BJU International found transperineal had an infection rate under 0.5% compared to roughly 2-3% for transrectal. That difference is clinically significant.
MRI-targeted biopsy is also worth asking about. For men with elevated PSA or prior negative biopsy, multiparametric MRI followed by targeted biopsy improves detection of clinically significant cancer and reduces detection of low-grade disease that may never cause harm. The PRECISION trial (Kasivisvanathan et al., 2018, New England Journal of Medicine) showed MRI-targeted biopsy outperformed standard transrectal biopsy on both counts.
The video is a reasonable starting point for men who know nothing about the procedure. It should not be the ending point. Talk to a urologist who can explain which approach they use and why.