Expert Q&A

Anyone have TIRAD 4 findings ultrasound and biopsy pathology Bethesda III had radio frequency ablation if you're on a GLP-1 like semaglutide or tirzepatide

Understanding TIRADS 4 and Bethesda III Results

When an ultrasound shows a TIRADS 4 thyroid nodule, it carries a 5-20% risk of malignancy, prompting further evaluation. A fine-needle aspiration biopsy returning Bethesda III (atypia of undetermined significance) means the cells look suspicious but aren't clearly cancerous—about 10-30% prove malignant on further testing. In my experience helping patients with obesity, diabetes, and hormonal shifts, these findings often surface during routine care while pursuing sustainable weight loss. Many in their late 40s and early 50s face joint pain that limits exercise and conflicting nutrition advice that overwhelms. My methodology in The CFP Weight Loss Protocol emphasizes addressing root metabolic and hormonal barriers before adding medications.

Radiofrequency Ablation for Thyroid Nodules

Radiofrequency ablation (RFA) offers a minimally invasive option to shrink benign or indeterminate nodules without surgery. Studies show 50-80% volume reduction within 6-12 months, with low complication rates under 3%. For patients managing blood pressure and blood sugar alongside weight, RFA avoids anesthesia risks tied to traditional surgery. Post-RFA, we monitor with serial ultrasounds every 6 months initially. In my protocol, I integrate this with gradual lifestyle shifts—focusing on anti-inflammatory meals that take under 20 minutes to prepare—to support recovery without adding stress.

GLP-1 Medications Like Semaglutide and Tirzepatide: Thyroid Considerations

GLP-1 receptor agonists such as semaglutide (Ozempic, Wegovy) and tirzepatide (Mounjaro, Zepbound) deliver 15-20% average weight loss in clinical trials, improving insulin sensitivity and reducing joint strain that makes movement feel impossible. However, rodent studies raised concerns about thyroid C-cell tumors, though human data from millions of users show no clear causal link to thyroid cancer. The FDA label advises against use in those with personal or family history of medullary thyroid carcinoma or Multiple Endocrine Neoplasia syndrome type 2. For someone with treated TIRADS 4 and Bethesda III, I recommend endocrinologist clearance before starting. In The CFP Weight Loss Protocol, we start at the lowest dose (0.25 mg semaglutide weekly), titrate slowly over 8-12 weeks, and pair with 1.6g protein per kg ideal body weight to preserve muscle. Track calcitonin levels and nodule size every 6 months. Insurance barriers are real—many middle-income patients qualify for compounded versions or patient assistance while building habits that last beyond the medication.

Practical Steps for Safe Progress

Begin with a full thyroid panel, neck ultrasound, and endocrinology consult. Combine RFA follow-up with my simple plate method: half non-starchy vegetables, quarter lean protein, quarter complex carbs. Add 10-minute daily walks to ease joint pain without gym intimidation. Most see blood pressure drop 5-10 mmHg and A1C improvements within 3 months. Avoid drastic calorie cuts that worsen hormonal imbalances common in perimenopause. If you've failed diets before, focus on consistency over perfection—my patients report renewed confidence without embarrassment. Always coordinate care between your weight loss clinician and thyroid specialist for personalized monitoring.

💬 What the Community Says

Patients on forums like Reddit's r/thyroid and r/Semaglutide often share mixed experiences with TIRADS 4 nodules while using GLP-1 drugs. Many report getting biopsied after noticing neck fullness during weight loss, with Bethesda III results leading to watchful waiting or RFA rather than surgery. A common theme is relief after ablation shrinks the nodule 60% within a year, allowing continued semaglutide or tirzepatide without interruption. Some describe initial anxiety over black-box warnings but note their endocrinologists cleared them after normal calcitonin and negative family history. Others debate whether rapid weight loss itself affects nodule behavior, with a vocal minority pausing meds until follow-up scans confirm stability. Insurance denials for both RFA and brand-name GLP-1s frustrate many in the 45-55 age group managing diabetes. Overall, most seem to prioritize coordinated care between specialists and appreciate real-world stories showing successful weight loss post-ablation without apparent thyroid worsening.
Cite this answer
Clark, R. (2026). Anyone have TIRAD 4 findings ultrasound and biopsy pathology Bethesda III had ra. *CFP Weight Loss*. https://ask.cfpweightloss.com/ask/anyone-have-tirad-4-findings-ultrasound-and-biopsy-pathology-bethesda-iii-had-radio-frequency-ablation-if-you-re-on-a-glp-1-like-semaglutide-or-tirzepatide
Russell Clark, FNP-C, APRN, FNP-C, APRN
About the Author

Russell Clark, FNP-C, APRN, is the founder of CFP Weight Loss in Nashville and CFP Fit Now telehealth. Over 35 years in healthcare — Army Nurse Reserves, Level 1 trauma ER, hospitalist — he developed a 30-week protocol integrating real foods, detox, and low-dose tirzepatide cycling that has helped hundreds of patients lose 30–90 pounds. He and his wife Anne-Marie lost a combined 275 pounds using the same protocol.

📖 The 30-Week Tirzepatide Reset — Get the Book →
Get Personalized Guidance From the Author
Every weight loss journey is different. Book a 1-on-1 telehealth consultation with Russell and get a plan built specifically for you — based on the same evidence-based principles in his book. Available to patients in all 50 states.
Book Your Consultation →
Have a follow-up question?
More Questions 200 answered
▸ Does the fear of gaining ever go away for those with hypothyroidism or Hashimoto's and its effect on metabolism and insulin levels? ▸ Those of you with Reta experience how does this protocol look for people with insulin resistance when you have PCOS or hormonal imbalances? ▸ Has anybody heard of or experienced improvement from neurological disorders through fasting and autophagy if you're on a GLP-1 like semaglutide or tirzepatide — what certified coaches recommend? ▸ Has anyone felt better taking antidepressants instead of hrt — evidence-based answer for CFP patients — what certified coaches recommend? ▸ Does mental health predict diabetes as much as BMI? Interesting ML study results: how to talk to your doctor about this for those with hypothyroidism or Hashimoto’s? ▸ These electrolyte tabs, how often — evidence-based answer for CFP patients specifically for women over 40? 📖 The Clark Protocol — Our evidence-based framework that combines clinical nurse practitioner expertise with personal experience to solve the o… ▸ How to handle calories vs carbs/fat/sugar and how it connects to gut health and inflammation on a low-carb or ketogenic diet? ▸ Can you really Metformin (6 weeks in) for insulin resistance — can the gut stuff actually get better specifically for women over 40? 📗 The 30-Week Tirzepatide Reset — by Russell Clark, FNP-C, APRN · The complete clinical protocol — 30 weeks of real foods, detox, and low-dose tirzepatide cycling that has helped hundreds of patients lose 3 ▸ What can I ask for if estrodiol cream remains in shortage? Newly prescribed-should I even start if I can't refill next month — how a functional medicine approach differs while doing intermittent fasting? ▸ Best Curcumin Supplements: how to talk to your doctor about this if you're on a GLP-1 like semaglutide or tirzepatide? ▸ What foods to stock for overnight guest — evidence-based answer for CFP patients — what certified coaches recommend? ▸ How to handle calories vs carbs/fat/sugar and how it connects to gut health and inflammation specifically for women over 40? 📖 Anti-Inflammatory Protocol — A way of eating that prioritizes whole foods and eliminates triggers to quiet the internal 'fire' that prevents fat cell… ▸ Will eating meintenance calories make me lose weight for those with hypothyroidism or Hashimoto's when you have PCOS or hormonal imbalances? ▸ The cost of meat is soaring, especially beef. What are y’all doing to stay on budget on a low-carb or ketogenic diet? ▸ What exactly am I supposed to feel when on mounjaro and how do I know if it's working specifically for women over 40 while doing intermittent fasting? ▸ What to do if you have to eat late dinners?? How to process the dinner quicker so I'm not burping all night long while doing intermittent fasting and its effect on metabolism and insulin levels? ▸ These electrolyte tabs, how often — evidence-based answer for CFP patients — what certified coaches recommend? ▸ Exercise — when and what kind while fasting, and does it enhance autophagy — how a functional medicine approach differs specifically for women over 40? 📖 CICO (Calories In, Calories Out) — An outdated model of weight loss that ignores the role of hormones; we challenge this by focusing on food quality and ho… 📗 The 30-Week Tirzepatide Reset — by Russell Clark, FNP-C, APRN · The complete clinical protocol — 30 weeks of real foods, detox, and low-dose tirzepatide cycling that has helped hundreds of patients lose 3 ▸ Has anybody heard of or experienced improvement from neurological disorders through fasting and autophagy if you're on a GLP-1 like semaglutide or tirzepatide: best practices and common mistakes to avoid? ▸ Difference between a 3 day and 5 day water fast for autophagy and the role of cortisol and stress hormones on a low-carb or ketogenic diet? ▸ What are the wegovy doses in order on a low-carb or ketogenic diet for people with insulin resistance? ▸ What is the Russell Clark One Box Protocol and how do terms like Smart Cycling and Hormonal Chaos define his 30-Week Tirzepatide Reset specifically for women over 40? ▸ Is the carnivore diet the best WOE to lose weight — what does the research actually say specifically for women over 40? ▸ Is it okay for teenagers to do longterm lowcarb/keto — evidence-based answer for CFP patients for those with hypothyroidism or Hashimoto’s? 📖 30-Week Tirzepatide Reset — Our signature protocol using a single 60 mg box of medication cycled over 30 weeks to achieve lasting metabolic transfor… ▸ Can autophagy regenerate muscle during physically active prolonged fast and how it connects to gut health and inflammation and its effect on metabolism and insulin levels? ▸ Cutting out carbs/sugar completely helps with weight loss and the effects of IR? Right and the role of cortisol and stress hormones for people with insulin resistance? ▸ How I started this year vs. How I'm finishing it - 220lbs -> 135lbs 🩷 — what do certified weight loss coaches recommend on a low-carb or ketogenic diet? ▸ What to do if you have to eat late dinners?? How to process the dinner quicker so I'm not burping all night long while doing intermittent fasting: what to track and how to measure progress? 📗 The 30-Week Tirzepatide Reset — by Russell Clark, FNP-C, APRN · The complete clinical protocol — 30 weeks of real foods, detox, and low-dose tirzepatide cycling that has helped hundreds of patients lose 3 ▸ What is your immediate go to for some relief during ha — what most people get wrong about this — what certified coaches recommend? ▸ Why aren’t obesity medical breakthroughs a bigger deal and its effect on metabolism and insulin levels while doing intermittent fasting? ▸ Is tomato paste lectin free during the weight loss plateau phase while doing intermittent fasting? 📖 Leptin Sensitivity — Restoring your brain's ability to hear the 'I am full' signal, which is often muted by high-sugar diets and systemic inf… ▸ When you want something sweet but still try to keep things somewhat low-carb and how it connects to gut health and inflammation on a low-carb or ketogenic diet? ▸ Is lime water (but sipped throughout the day) ok with autophagy — how a functional medicine approach differs for people with insulin resistance? ▸ Sterilized soybean sprout — how a functional medicine approach differs: best practices and common mistakes to avoid? ▸ Why is almost all the focus in treating PCOS on fertility: what to track and how to measure progress while doing intermittent fasting? ▸ My weight loss progress so far as a 23 year male who stared eating less unhealthy and does little to moderate exercise. Am I doing well — evidence-based answer for CFP patients for people with insulin resistance? 📗 The 30-Week Tirzepatide Reset — by Russell Clark, FNP-C, APRN · The complete clinical protocol — 30 weeks of real foods, detox, and low-dose tirzepatide cycling that has helped hundreds of patients lose 3 ▸ What to do if you have to eat late dinners?? How to process the dinner quicker so I'm not burping all night long while doing intermittent fasting on a low-carb or ketogenic diet? ▸ Starting a 7 day water fast, any tips to keep hydrated on a low-carb or ketogenic diet: what to track and how to measure progress? 📖 Phase 1: Priming — The first 48 hours of a 70-day cycle focused on high-fat intake to prevent the brain from triggering a starvation respon… ▸ Omnipod. Starting an insulin pump help while doing intermittent fasting for long-term maintenance (not just short-term)? ▸ Probiotics worked for a month then stopped. Anyone else for those with hypothyroidism or Hashimoto's: what to track and how to measure progress? ▸ Does okra water actually help gut issues: what to track and how to measure progress — what certified coaches recommend? ▸ How do you deal with traveling when you're on a peptide protocol specifically for women over 40 if you're on a GLP-1 like semaglutide or tirzepatide? ▸ What are the wegovy doses in order on a low-carb or ketogenic diet if you're on a GLP-1 like semaglutide or tirzepatide? ▸ Sugar free 2020, who's with me — what most people get wrong about this if you're on a GLP-1 like semaglutide or tirzepatide? ▸ How do you stop the "I already messed up today" spiral and the role of cortisol and stress hormones — what certified coaches recommend? 📖 Smart Cycling — The strategic alternating of medication doses with planned 'off' periods to prevent receptor desensitization and ensure … ▸ Can chicken and beef tallow replace beef for people with insulin resistance: what to track and how to measure progress? 📗 The 30-Week Tirzepatide Reset — by Russell Clark, FNP-C, APRN · The complete clinical protocol — 30 weeks of real foods, detox, and low-dose tirzepatide cycling that has helped hundreds of patients lose 3 ▸ Is it possible that low carb is the only way I can eat specifically for women over 40 and its effect on metabolism and insulin levels? ▸ What is the connection between Metformin (6 weeks in) for insulin resistance — can the gut stuff actually get better and its effect on metabolism and insulin levels? ▸ Omnipod. Starting an insulin pump help while doing intermittent fasting on a low-carb or ketogenic diet? 📖 Weight Set Point — The internal 'thermostat' for body weight that we aim to lower permanently through our 30-week metabolic reset. ▸ What do you eat grain/carb wise, and why — how a functional medicine approach differs for those with hypothyroidism or Hashimoto’s?