Would you recommend 11C-methionine PET/CT imaging for patients with persistent or recurrent Cushing’s disease after transsphenoidal surgery?  

Some literature does suggest that this may be helpful in this clinical scenario. In addition to the Furnica paper you cite (Furnica et al., PMID 39873396), you may look at this review from Mark Gurnell's Cambridge group, Modern imaging in Cushing's disease.However, 11C-methionine is available only i...