TABLE II.

Characteristics of 9 patients with highly suspicious integrated ¹⁸F-fluorodeoxyglucose positron-emission tomography (PET) and computed tomography imaging

Pt	Age (years)	Sex	Paraneoplastic neurologic syndrome	Antibody	Area of abnormality on imaging	Malignancy in OCR	Informative (yes or no)
1	60	Female	Cerebellar ataxia	Anti-Hu	Mediastinal node, left hilar node	Lung malignancy, polycythemia vera	Yes
2	76	Female	Encephalitis, sensory neuropathy	Anti-Hu	Mediastinal node	Not present	No (no identified malignancy)
3	62	Male	Sensory neuropathy	Not tested	Supraclavicular node, gastrohepatic node	Brain NOS, lung malignancy	Yes
4	76	Female	Cerebellar ataxia	Not tested	Nasopharynx, thyroid lobe, LUL nodule, LLL nodule	Not present	No (no identified malignancy)
5	44	Male	Limbic encephalitis	Negative	Global increased uptake in axial skeleton	Myelodysplastic syndrome	Yes
6	53	Female	Limbic encephalitis, sensory neuropathy	Anti-Hu	Bilateral hilar nodes, mediastinal nodes, low level uptake in atelectasis, LLL subpleural node	Cancer of unknown primary	Yes
7	80	Male	Limbic encephalitis	Not reported	Paratracheal node	Cancer of unknown primary	No (biopsy preceded PET imaging)
8	62	Female	Peripheral neuropathy, encephalitis	Not tested	LUL consolidation, peripancreatic node, external iliac node, pubic bone, sacrum	Lung cancer	Yes
9	52	Female	Ataxia, tremor	Negative	Diffuse activity in liver, spleen; focal activity in hepatic hilum, para-aortic node; increased marrow activity	Previous diagnosis of kidney, thyroid cancer	No (biopsy preceded PET imaging)

Pt = patient; OCR = Ontario Cancer Registry; NOS = not otherwise specified; LUL = left upper lobe, LLL = left lower lobe