Table 1.

Lesions visualised using the three radiopharmaceuticals

	99mTc-demogastrin 2	111In-DOTA-MG11	111In-DOTA-CCK
Patient 1	Neck	None	Neck equivocal
Calcitonin 15 μg/l	Liver
Patient 2a	Neck/mediastinum	Neck/mediastinum	Neck/mediastinum
Calcitonin 49 μg/l	Brain (unknown, MRI+a)	Brain equivocal (retrospective)	Brain (retrospective)
Patient 3b	Neck (4 lesions, 2 unknownb)	Neck (4 lesions, 2 unknownb)	Neck (2 lesions)
Calcitonin 0.33 μg/l
Patient 4	Neck (2 lesions, 1 unknown)	None	None
Calcitonin 0.23 μg/l	Unknown lesion: FNA: MTC+
Patient 5c	Neck	Neck	Neck
Calcitonin 35 μg/l	Mediastinum	Mediastinum	Mediastinum
	Liver (unknown, MRI+)	Liver (unknown, MRI+)
	Bone (unknown, CT+)	Bone (unknown, CT+)	Bone (unknown, CT+)
Patient 6c	Neck	Neck	Neck
Calcitonin 131 μg/l	Lungs	Lungs	Lungs
	Liver	Liver	Liver
	Bone	Bone	Bone

^aMRI: pineal cyst possible. Lesion with ¹¹¹In-DOTA-MG11 and ¹¹¹In-DOTA-CCK missed on initial reading

^bNot all lesions could be confirmed by US

^cLesions in patients 5 and 6 best visible with ^99mTc-demogastrin 2 (Figs. 2 and 4)