Case Report

NXP-2 Positive Dermatomyositis: A Unique Clinical Presentation

Table 1

A summary of the significant lab results, immunologic test results, and results from the detailed motor strength test.

Lab results

AST75 U/L (0–35 U/L)
CK1017 IU/L (30–170 U/L)
Myoglobin, serum233 ng/mL (0–85 ng/mL)
LDH386 U/L (60–100 U/L)
Ferritin3151 ng/mL (15–200 ng/mL)
ESR33 mm/hr (0–15 mm/hr)
Uric acid6.8 mg/dL (3.7–8.0 mg/dL)
HIV−ve

Immunologic tests

ANA−ve
Anti-Jo−ve
Anti-Ro−ve
Anti-LA−ve
Anti-RNP−ve
Anti-Smith−ve
Anti-histone−ve
CMV/EBV−ve

Motor strength

Neck flexion2/5
Deltoids3/5 bilaterally
Biceps4/5 bilaterally
Triceps4+/5 bilaterally
Wrist flexion4+/5 on L, 4/5 on R
Wrist extension4+/5 on L, 4/5 on R
Hand grip4+/5 bilaterally
Hip extension and flexion4/5 bilaterally
Knee extension and flexion4+/5 bilaterally
Ankle flexion and dorsiflexion5/5 bilaterally