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Fig. 1 | BMC Cancer

Fig. 1

From: The combination of 13N-ammonia and 11C-methionine in differentiation of residual/recurrent pituitary adenoma from the pituitary gland remnant after trans-sphenoidal Adenomectomy

Fig. 1

Images of a 20-year-old man with recurrent adrenocorticotropic hormone (ACTH)-secreting pituitary adenoma. A (T2-weighted coronal image), B (T1-weighted contrast-enhanced coronal image) and C (T1-weighted contrast-enhanced axial image) showed a suspicious equisignal lesion in the left part of the sella on plane and enhanced images (arrowhead). A PET/CT scan was recommended by clinician. On 13N-ammonia PET/CT, a hypermetabolic region in the right part of the sella was observed, revealing the pituitary gland remnant with normal function (E, white arrow). On 11C-MET PET/CT, a moderate-metabolic region in the left part of the sella was observed, revealing the recurrent adenoma (F, black arrow)

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BMC Cancer

ISSN: 1471-2407

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