Research Article
Grading of Neuroendocrine Carcinomas: Correlation of 68Ga-PET/CT Scan with Tissue Biomarkers
Table 1
Clinical and histological characteristics of NEC patient samples.
| | (%) |
| Age at diagnosis (years) | | Mean | 56.6 | Standard deviation | 13.1 | Gender | | Male | 6 (54.5) | Female | 5 (45.5) | Site of disease | | Stomach | 3 (27.2) | Colorectum | 3 (27.2) | Pancreas | 5 (45.6) | Histological classification | | G3 NET | 6 (54.5) | G3 NEC | 5 (45.5) | FDG-PET/CT | | Positive | 8 (72.7) | Not done | 3 (27.3) | 68Ga-PET/CT octreoscan | | Positive | 4 (36.4) | Negative | 6 (54.5) | Not done | 1 (9.1) | Chemotherapy | | CDDP | 8 (72.7) | Carboplatin | 2 (18.1) | Other | 1 (9.2) | Best response to first-line chemotherapy | | PD | 3 (27.2) | SD | 3 (27.2) | PR | 5 (45.6) | Median overall survival, months [range] | 23 [6-70] |
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NEC: neuroendocrine carcinoma; NET: neuroendocrine tumor; G: grade; FDG-PET/CT: fluorodeoxyglucose-positron emission tomography/computerized tomography; 68Ga: Gallium-68; CDDP: cisplatin; PD: progressive disease; SD: stable disease; PR: partial response.
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