Evaluation of Clinical Contributions Provided by Addition of the Brain, Calvarium, and Scalp to the Limited Whole Body Imaging Area in FDG-PET/CT Tumor Imaging

Table 2

Distribution of the metastatic findings detected in brain, calvarium, and scalp according to tumor types.

Diagnosis	Number of patients	Brain Met		Calvarium Met		Scalp Met		Total
		𝑛	%	𝑛	%	𝑛	%	𝑛	%
Lung Ca	150	8	5.33	2	1.3	1	0.7	11	7.3
Lung Ca?	240	4	1.7	1	0.4	—	—	5	2.1
Breast Ca	160	4	2.5	5	3.1	1	0.6	10	6.2
Unknown primary Tm	95	3	3.2	2	2.1	—	—	5	5.3
NHL	107	1	0.9	3	2.8	—	—	4	3.7
Bladder Ca	19	1	5.26	1	5.3	—	—	2	10.5
Malignant melanoma	32	1	3.1	—	—	—	—	1	3.1
Gastric Ca	46	1	2.2	—	—	—	—	1	2.2
Thyroid Ca	11	—	—	1	9.1	—	—	1	9.1
Other tumors	499	1	0.2	1	0.2	—	—	2	0.4
Total	1359	24	1.8	16	1.2	2	0.1	42	3.1

Ca: cancer, Tm: tumor, Met: metastasis, n: number, ?: suspected, NHL: Non-Hodgkin lymphoma.