in two patients with subacute sensory neuronopathy associated with small cell carcinoma of the lung , the diagnosis of the paraneoplastic syndrome was aided by the finding , in highly diluted serum ( 1/500 and 1/2,000 , respectively ) , of unusual and distinctive antinuclear antibodies with reactivity restricted to neuronal nuclei .
C0149925
small cell
C0030472
paraneoplastic syndrome