Nuclear MD

03/11/2026

"[18F]FDG PET/CT is a high-yield diagnostic tool that directly influenced clinical management of approximately 75% of patients with FUO, with optimal performance in patients with elevated inflammatory markers, fever at the time of imaging, and limited prior antibiotic use."

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03/07/2026

Case Challenge: # 56

Test your skills by providing answers in comments. Come back to check the answer key in 24 -48h.

Get all the cases at: https://nuclearmd.com/courses

03/07/2026

📚 Case of the Day: Krukenberg Tumor on FDG PET/CT

A patient presents with FDG-avid bilateral ovarian masses on PET/CT. 🔎

The key question: Primary ovarian tumor or metastatic disease?

Krukenberg tumors are metastatic ovarian tumors, most commonly arising from gastric carcinoma, and often demonstrate intense FDG uptake on PET imaging.

On FDG PET/CT, we may see:
• 🔥 FDG-avid ovarian metastases (often bilateral)
• 🍽️ FDG-avid gastric primary tumor
• 🌐 Peritoneal or nodal metastatic disease

A great reminder of how molecular imaging helps uncover the full story behind ovarian masses.

📷 Sharing this interesting case.

03/07/2026

📢 For a limited time, I’m making the Nuclear Medicine Handbook teaching videos publicly available on YouTube.

These are short, practical explanations of key concepts in nuclear medicine and molecular imaging designed for students, residents, and trainees.

🎓 Learn
🧠 Review
🔁 Share with colleagues

▶️ Watch here: https://www.youtube.com/playlist?list=PLX3_oGRc6wY3sZPkSpuRTCVJwTjCKyouj

These videos are embedded in the Nuclear Medicine Handbook available at: https://books.apple.com/us/book/nuclear-medicine-handbook/id1474186897

02/28/2026

Case Challenge: # 55

Test your skills by providing answers in comments. Come back to check the answer key in 24 -48h.

Get all the cases at: https://nuclearmd.com/courses

02/28/2026

⚛️🦴 Case Spotlight: “Superscan” on PSMA PET

🔥 PSMA PET Findings:
Diffuse, intense tracer uptake throughout the skeleton with markedly reduced soft tissue and visceral activity.

💡 Takeaway:
Classic PSMA “superscan” → indicates extensive skeletal metastatic disease (prostate cancer).

⚠️ Pearl:
Reduced renal/soft tissue visualization occurs due to tumor sink effect.

02/26/2026

Big thanks to

Shereen Yassin, Alexandre Alves Firmino, Vivek Paudyal, Henry Mojado, Moiz Ud Din, Dra Shirley Marcela Alarcon, Jorge Nemnon, Mohamed Khaled, Sarah Bouaziz, Bassam Saad, Luis Araujo, Farah Ghalib, Edgar Perez, Farida Nasirova, Rosales Vicemn, Héctor Santoyo, Matteo Minestrini, Ali Al Habobi

for all your support! Congrats for being top fans on a streak 🔥 🙏🏼🙏🏼

02/22/2026

https://www.acpjournals.org/doi/10.7326/ANNALS-25-03852

More than 25 years ago, Pellegrino and Relman noted the increasing commercialization of the learned professions, anticipating what many physicians are increasingly experiencing today: an impairment of their ability to practice in accordance with standards of medical ethics and professionalism. These...

02/22/2026

https://youtu.be/l2p8z8CFkUk
🔬⚛️ Case Spotlight: Peritoneal Carcinomatosis on FDG PET

🔥 FDG PET Findings:
Diffuse, intense FDG uptake along the peritoneum and omentum (“omental caking”) with associated ascites.

💡 Takeaway:
Think peritoneal carcinomatosis—PET is excellent for detecting disease extent and staging.

FDG PET

02/22/2026

🧠⚛️ Case Spotlight: Lingual Thyroid

🔬 Imaging Findings:
• Iodine Scan (I-123 / Tc-99m pertechnetate):
👉 Focal radiotracer uptake at the base of the tongue
👉 Absence of normal thyroid uptake in the neck

• CT Scan:
👉 Well-defined, hyperdense enhancing mass at the base of tongue
👉 No orthotopic thyroid gland identified in the thyroid bed

💡 Diagnosis: Lingual Thyroid (ectopic thyroid tissue)

⚠️ Why it matters:
• Often the only functioning thyroid tissue
• Biopsy or excision without confirmation can lead to hypothyroidism
• Can present with airway or swallowing symptoms

🎯 Key Teaching Point:
Always confirm with radionuclide imaging before any intervention on a midline tongue-base mass!

02/22/2026

https://radiologybusiness.com/topics/medical-imaging/nuclear-medicine/radiopharmaceutical-therapy-use-has-increased-2000-among-medicare-population

Interventional and diagnostic radiologists are leading the way in this surge, accounting for about 45% of IV RPT administrations, according to Medicare Part B claims.

02/22/2026

⚛️ Nuclear Medicine… simplified.

📚 Two e-books.
💡 High-yield concepts.
🧠 Case-based learning.

Perfect for exams + real-world practice.

👉 Nuclear Medicine Handbook: https://books.apple.com/us/book/nuclear-medicine-handbook/id1474186897

👉 Cases & MCQs: https://books.apple.com/us/book/nuclear-medicine-cases-and-mcqs/id1548779126

Learn smarter. Read faster. Interpret better.