Three forces are reshaping the landscape: (1) technological convergence, where digital detectors, time‑of‑flight (TOF) capabilities, and AI‑driven image reconstruction boost diagnostic accuracy and lower scan times; (2) regulatory and reimbursement momentum, as health authorities expand coverage for PET‑based theranostics, especially in oncology; and (3) supply‑chain optimization, with manufacturers diversifying component sourcing to mitigate semiconductor shortages. Geographically, North America remains the largest market, anchored by the United States’ extensive hospital network, while the Asia‑Pacific region is the fastest‑growing, propelled by rapid healthcare infrastructure investment in China, India, and Japan.