Physical examination TM appears normal in the majority of patients Schwartze sign is observed in 10% of patients) Rinne test; negative Early in the disease, low frequency CHL will predominate resulting in a negative Rinne test with the 256-Hz only As progression occurs, the 512 and then the 1, 024-Hz TF will become negative. Weber test; laterization to poor HL Schwabach test; prolonged bone conduction Gelle test: negativePhysical examination ◼ TM appears normal in the majority of patients ◼ Schwartze sign is observed in 10% of patients). ◼ Rinne test: negative ◼ Early in the disease, low frequency CHL will predominate resulting in a negative Rinne test with the 256-Hz only. ◼ As progression occurs, the 512 and then the 1,024-Hz TF will become negative. ◼ Weber test: laterization to poor HL ◼ Schwabach test: prolonged bone conduction ◼ Gelle test: negative