07 February 2024
: Case report 
Accelerating Healing and Relieving Pain: High-Intensity Laser Therapy for Paraneoplastic Cutaneous Vasculitis Associated with Multiple Myeloma
Unusual clinical course, Challenging differential diagnosis, Unusual setting of medical care, Educational Purpose (only if useful for a systematic review or synthesis)
Karina Felipe Fernandes Maciel1ABEF*, Antonio Henrique Cordeiro2B, Rivadavio Fernandes Batista de Amorim1ACDEF, Ludmila Bertti Coelho2F, Mariana de Freitas Cordeiro3ADE, Thiago David Alves Pinto1DOI: 10.12659/AJCR.942322
Am J Case Rep 2024; 25:e942322
Table 1. Laboratory exams of the patient.
| Exams | Patient results | Reference range |
|---|---|---|
| Erythrocyte sedimentation rate | 120 mm/1h | ≤28 mm/1 h |
| C-reactive protein | 16.46 mg/L | <5 mg/L |
| Beta-2 microglobulin | 3.98 mcg/ml | 1.09–2.53 mcg/mL |
| Protein electrophoresis | Gamma Globulin monoclonal peak 2.402 g/dl | 0.63–1.51 g/dL |
| IgG serum levels | 3.220 mg/dl | 650–1600 mg/dL |
| Immunofixation of urinary proteins | Presence IgG/kappa monoclonal component | |
| Immunofixation electrophoresis | Presence IgG/kappa monoclonal component | |
| Free light chain analysis | kappa chain level 26.10 mg/l | <10 mg/L |
| Lambda chain level 11 mg/l | <10 mg/L | |
| kappa/lambda ratio 2.373 | 0.31-1.56 | |
| Rheumatoid factor | Non-reactive | Non-reactive |
| Anticardiolipin antibody IgG | 1.3 | <10 GLP-U/mL |
| Anticardiolipin antibody IgM | <1.2 | <10 GLP-U/mL |
| Anti-beta 2 glycoprotein antibody | Non-reactive | Non-reactive |
| Lupus anticoagulant | Non-reactive | Non-reactive |
| Cytoplasmic antineutrophil cytoplasmic antibody | Non-reactive | Non-reactive |
| Perinuclear antineutrophil cytoplasmic antibody | Non-reactive | Non-reactive |
| Hepatitis B surface antigen | <2 UI/L | <10 UI/L |
| Hepatitis C virus antibody | 0.03 | <0.9 |
| HIV antibody | Non-reactive | Non-reactive |
| Cryofibrinogen | Non-reactive | Non-reactive |
| Cryoglobulins | Non-reactive | Non-reactive |