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07 September 2022: Articles

A Case of Segmental Arterial Mediolysis of Multiple Visceral Arteries Following Anti-COVID-19 Vaccination: Late Complication or Rare Coincidence?

Unusual clinical course, Challenging differential diagnosis, Diagnostic / therapeutic accidents, Management of emergency care, Unexpected drug reaction , Clinical situation which can not be reproduced for ethical reasons

Akihiro Takeda A* , Wataru Koike B , Fumihiro Okumura B

DOI: 10.12659/AJCR.937505

Am J Case Rep 2022; 23:e937505

Table 2. Vasculitis, thrombosis, and collagen disease screen.

Laboratory tests (reference range)Results
Rheumatoid factor (0–15.0 IU/mL)2.0 IU/mL
IgA (93–393 mg/dL)76 mg/dL (↓)
IgM (33–183 mg/dL)105 mg/dL
IgG (861–1747 mg/dL)867 mg/dL
C3 (73–138 mg/dL)113 mg/dL
C4 (11–31 mg/dL)28.5 mg/dL
PT/INR (0.99)0.85–1.15
APTT (30.4 s)24.0–34.0 s
Fibrinogen (200–400 mg/dL)467 mg/dL (↑)
Fibrinogen degradation products (−5.0 μg/mL)2.3 μg/mL
D-dimer (−1.0 μg/mL)1.1 μg/mL (↑)
Antithrombin 3 (80–130%)92%
Antinuclear antibody (0–40)0–40
Anti-cardiolipin antibody (−10 U/mL)3 U/mL
PR3-ANCA (0–2.0 IU/mL)0.8 IU/mL
MPO-ANCA (0–3.5 IU/mL)0.7 IU/mL
CH50 (30–45 U/mL)53 U/mL (↑)
Protein C (70–140%)100%
Protein S (63.5–149.0%)79.8%
Anti-CCP antibody (0–4.5 U/mL)0.5 U/mL
IgG4 (11–121 mg/dL)23 mg/dL
(↑): higher than normal value; (↓) lower than normal value.

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American Journal of Case Reports eISSN: 1941-5923
American Journal of Case Reports eISSN: 1941-5923