Table 1 Patient characteristics

Male/Female

45/37

Median age (range)

63 (range 20–89 years)

Total no. of each PET study with ¹⁸F-FDG and ¹⁸F-FBPA

87

Total no. of target lesions with pathological diagnosis

88

Malignant tumor (primary/recurrent or metastatic)

77 (22/55)

Oral cavity cancer

13

Soft tissue sarcoma

12

Pharyngeal cancer

10

Salivary gland cancer

6

External auditory canal cancer

4

Cancer of the larynx

3

Skin cancer (mucinous/SCC)

3 (2/1)

Diffuse large B-cell lymphoma

3

Uterine cancer (endometrial cancer)

3

Cervical cancer of Uterus (SCC)

3

Lung cancer (adenocarcinoma)

2

Mantle cell lymphoma

2

Esophageal cancer

2

Olfactory neuroblastoma

1

Ovarian cancer

1

Chronic lymphocytic leukemia

1

Pancreatic cancer

1

Gallbladder cancer

1

Bile duct cancer

1

Maxillary cancer

1

Breast cancer

1

Acute myeloid leukemia

1

Cancer of unknown primary, Cervical lymph node metastasis

1

Extramammary Paget’s disease

1

Benign lesion

11

Inflammatory granulation

2

Radiation　osteomyelitis

2

Abscess

2

Inflammatory lymphadenopathy

1

Tonsillitis

1

Post-treatment change after chemoradiotherapy

1

Cholecystitis

1

Graft versus host disease

1