Painless Livedoid Vasculopathy in a Patient with G20210A Prothrombin Gene Mutation

Table 1

Results of diagnostic workup.

Lab test (reference range)	Result
Homocysteine (3.7–13.9 Umol/L)	13.7
Anticardiolipin IgG (<23.0 GLP Units)	10.4
Anticardiolipin IgM (<11.0 MPL Units)	1.8
Anticardiolipin IgA (<22.0 APL units)	9.5
ANA	Negative
Factor V leiden	Negative
Antithrombin III activity (>75%)	84
Antithrombin III functionality (218–310 mg/L)	195
Lupus anticoagulant (<1.2)	1.23
Protein C activity (>69%)	69
Protein C antigen (65–140%)	85
Protein S activity (>59%)	65
Prothrombin time (8.9–11.9)	11.4
INR (0.9–1.1)	1.1
C3, C4 and CH50	Within normal limits
Partial thromboplastin time (23–33 seconds)	32
C-ANCA and P-ANCA	Negative
Prothrombin mutation	Heterozygous G20210A prothrombin gene mutation
Blood cultures on two separate occasions	All negative