A Unique Presentation of Anti-RNA Polymerase III Positive Systemic Sclerosis Sine Scleroderma

Table 1

Autoimmune laboratory results.

Labs	Value	Normal range
ESR	120 mm/hr	0–29 mm/hr
CRP	8.8	1.0–10.0 mg/L
Creatine kinase	1162	30–223 U/L
ANA ratio	2.85	0.00–0.99
Nucleolar pattern	1 : 320	1 : 40
ANCA myeloperoxidase	<0.9	0.0–9.0 U/mL
ANCA proteinase 3	<3.5	0.0–3.5 U/mL
Atypical P-ANCA	<1 : 20	Negative < 1 : 20 titer
Anti-centromere antibody	<0.2	0.0–0.9 AI
Double stranded DNA	1	0–9 IU/mL
C3 complement	139	87–200 mg/dL
C4 complement	29	19–52 mg/dL
Anti-Jo-1	Negative	Negative
SCL-70 antibody	Negative	Negative
SM antibody	Negative	Negative
SM/RNP antibodies	Negative	Negative
Anti-SSA/SSB antibodies	Negative	Negative
Anti-RNA polymerase III antibody	33.6	<20 units/mL
Anti-Th/To	Negative	Negative
Anti-U3RNP	Negative	Negative
Anti-U1RNP	<20	<20

ESR: erythrocyte sedimentation rate; CRP: C-reactive protein; ANA: anti-nuclear antibody; ANCA: anti-neutrophil cytoplasmic antibodies.