Case Report
A Rare Case of Cavitary Lesion of the Lung Caused by Mycoplasma pneumoniae in an Immunocompetent Patient
Table 1
Pertinent laboratory findings.
| Serum anti-RSV IgM | 0.64 | Serum anti-RSV IgG | 1.4 | Nasal influenza A/B swab | Negative | Anti-ribosomal P antibody | Negative | Anti-nuclear antibody | Negative | Anti-DNA antibody | Negative | Smooth muscle antibody | Negative | Anti-scleroderma 70 antibody | Negative | Myeloperoxidase | Negative | Proteinase 3 antibody | Negative | Cold agglutinin antibody | Negative | Rheumatoid factor | Negative | Anti-cyclic citrullinated antibody | Negative | HIV | Negative | Chlamydiapneumoniae IgM | <1 : 20 | Chlamydial pneumonia IgG | <1 : 64 | Legionella antigen, urine | Negative | Histoplasma antigen, urine | Negative | Blood, urine, and respiratory culture | Negative | BAL cultures and acid fast bacilli stains | Negative | Cryoglobulin level | Negative | M. pneumoniae IgM antibody titer | 1 : 1,280 | Cold agglutinin titer | 1 : 320 |
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