Podbit · The Peter Attia Drive
A standard transvaginal ultrasound can entirely miss endometriosis. The specialized bowel-prep protocol with expert interpretation achieves 95–98% sensitivity. If you have endometriosis symptoms and a normal ultrasound report, that report means almost nothing.
Where this was said
At 39:35 · chapter starts 33:11
This chapter is perhaps the most practically important of the episode. Tomioka's central warning is stark: a normal result on a standard transvaginal ultrasound should provide no reassurance to a symptomatic woman. [1] — Renato Tomioka "A standard transvaginal ultrasound can entirely miss endometriosis. The specialized bowel-prep protocol with expert interpretation achieves…" 39:35 The device is the same; the protocol, timing, and operator expertise are what make the difference. The gold standard is a detailed bowel-prep protocol — a simple enema, no-residue diet, and vaginal gel — that takes an hour and in expert hands reaches 95 to 98% sensitivity. [2] — Renato Tomioka "95–98% sensitivity for MRI/ultrasound in endo: Specialized MRI and dedicated endometriosis ultrasound protocols achieve sensitivity of abou…" 36:00 This technique, pioneered in Brazil by radiologists like Luciana Chamier (now at Mass General) and Manoel Orlando, allows visualization of all three endometriosis phenotypes: superficial peritoneal lesions, deep infiltrating disease, and endometriomas. In the US, only a handful of centers — Mayo Clinic, Cleveland Clinic — perform the full protocol; most rely on MRI. Tomioka explains each modality's complementary role: ultrasound provides dynamic assessment (the 'sliding sign' that reveals adhesions) and superior resolution for bowel endometriosis; MRI is better for extrapelvic lesions (diaphragm, ureter, lateral pelvis) and deep nerve infiltration. He almost never operates without the specialized ultrasound. Three tiers of examination are described: standard transvaginal ultrasound (inadequate for endo), augmented ultrasound with the sliding sign technique (a meaningful upgrade), and the full expert bowel-prep protocol (the gold standard).
Endometriosis costs an estimated $80 to $120 billion per year globally, with two-thirds of that attributable to productivity loss rather than direct medical costs.
Specialized MRI and dedicated endometriosis ultrasound protocols achieve sensitivity of about 95–98% for detecting endometriosis, making diagnostic laparoscopy largely obsolete.
Self-help fails because people are sold one universal cure by the hyper-responders who had a transformative result from it. The real problem is context: every method works for the right person at the right time, which is almost never you just because the author says so.
Spencer Greenberg was once so socially anxious his heart pounded just approaching a stranger. His therapist gave him homework: go to a bar alone, talk to 5 strangers. Starting with asking for the time, he worked up to asking men for hugs — and his anxiety fell dramatically in 6 months.
A person who flies regularly but obsessively checks weather forecasts before every flight is not doing exposure therapy — they're teaching their brain that flying is only safe with the ritual. Safety behaviors prevent the brain from ever learning that the feared thing is actually fine.
The worry-time technique assigns all worries to one scheduled slot (e.g. 5 PM). Every time a worry surfaces, you write it down and ban yourself from engaging with it until that time. When 5 PM arrives, most worries feel trivial and the act of batch-worrying exposes how little it actually accomplishes.
In a randomized study of 20 habit techniques, 'habit reflection' stood out: recall a past habit you successfully built, write down what helped you succeed, then apply those same strategies to your new habit. It works because it's self-adapting — it uses whatever worked for YOU.
The tiny habits technique — always having a minimal version of your habit you can do when life gets in the way — keeps the mental machinery of habit formation from breaking. Paradoxically, people given a tiny-habit fallback option were MORE successful at the full habit, not less.
Fears and worries act like playground bullies — they want to ambush you. But when you deliberately seek them out and choose the time of engagement, they lose their power. The volitional act of starting the fight on your own terms is one of CBT's most underappreciated insights.
Most downtime defaults are things you regret immediately after — phone scrolling, binge TV. 'Glad you did it' activities meet the same need for rest but leave you feeling like you spent your time well. The switch from a bad screen to a documentary, a book, or a walk costs almost no extra effort but compounds into identity over time.
You rarely control your first reactive thought. But you can train your second thought — the response to the trigger — by asking whether your initial reaction is the most helpful one and replacing it with something equally true but more constructive. Over time, that second thought becomes automatic.
We use essential and analytics cookies to run Vuci. To understand how the site is used: Privacy Policy.
Install Vuci on your phone
Add it to your home screen for a faster, app-like experience.
Install Vuci on your phone
Tap the Share button, then “Add to Home Screen”.
A new version is available
Reload to get the latest Vuci.