Grading of Neuroendocrine Carcinomas: Correlation of ⁶⁸Ga-PET/CT Scan with Tissue Biomarkers

Table 4

Correlation between histological classification and ⁶⁸Ga-PET/CT or octreoscan positivity.

	^68Ga-PET/CT or octreoscan results
	Overall		value	Pancreatic		GI
	Negative (%)	Positive (%)		Negative (%)	Positive (%)	Negative (%)	Positive (%)
Overall	6 (60.0)	4 (40.0)		1 (20.0)	4 (80.0)	5 (100.0)	0 (0.0)
Histological classification
NET G3	2 (33.3)	3 (75.0)	0.524	0 (0.0)	3 (75.0)	2 (40.0)	0 (0.0)
NEC G3	4 (66.7)	1 (25.0)		1 (100.0)	1 (25.0)	3 (60.0)	0 (0.0)

NET: neuroendocrine tumor; NEC: neuroendocrine carcinoma; GI: gastrointestinal.