Rarely fast progressive memory loss diagnosed as Creutzfeldt-Jakob disease: A case report

Table 1 Laboratory test results

Laboratory tests	Result	Reference values
Anti-Hu antibody IgG	Negative	Negative
Anti-CV2 antibody IgG	Negative	Negative
Anti-Ri antibody IgG	Negative	Negative
Anti-Ma2 antibody IgG	Negative	Negative
Anti-Yo antibody IgG	Negative	Negative
Anti-ANNA-3 antibody IgG	Negative	Negative
Anti-Tr antibody IgG	Negative	Negative
Anti-PCA-2 antibody IgG	Negative	Negative

Table 2 The cerebro spinal fluid test results

Laboratory tests	Result	Reference values
Colour	Colorless	Colorless
Transparency	Transparent	Transparent
Pan's experiment	Positive	Negative
WBC count, × 106/L	2	< 8
RBC count, × 106	22	0
Cerebrospinal fluid glucose, mmol/L	5.43	2.2-3.9
Cerebrospinal fluid protein, mmol/L	715	120-600
Cerebrospinal fluid chloride, mmol/L	125.4	120-132
Rubella virus IgG, IU/mL	0.68	< 10
Anti-rubella virus IgM, COI	0.32	< 1.0
Cytomegalovirus IgG, IU/mL	6.71	< 1.0
Cytomegalovirus IgM, COI	0.16	< 1.0
Epstein-Barr virus antibody	Negative	Negative
Coxsackie virus antibody	Negative	Negative
Cryptococcus neoformans	Negative	Negative
Nacterial smear (gram stain)	No	No
Acid-fast bacilli	No	No

WBC: White blood cell; RBC: Red blood cells.

Table 3 The cerebro spinal fluid paraneoplastic syndrome antibody test results

Laboratory tests	Result	Reference values
Anti- Hu antibody IgG	Negative	Negative
Anti-CV2 antibody IgG	Negative	Negative
Anti-Ri antibody IgG	Negative	Negative
Anti-Ma2 antibody IgG	Negative	Negative
Anti-Yo antibody IgG	Negative	Negative
Anti-ANNA-3 antibody IgG	Negative	Negative
Anti-Tr antibody IgG	Negative	Negative
Anti-PCA-2 antibody IgG	Negative	Negative