A 29-Year-Old Man With Intractable Vomiting

Jasvinder Chawla, MD, MBA


October 12, 2009

The following laboratory tests were unremarkable: blood counts, electrolytes, glucose, blood urea nitrogen, creatinine, liver function tests, coagulation studies, thyroid function tests, vitamin B12 levels, urine drug screen, HIV test, erythrocyte sedimentation rate, antinuclear antibody, antithyroid antibody, angiotensin-converting enzyme, anticardiolipin antibody, antistreptolysin O, Lyme disease antibody, and ceruloplasmin levels. Cerebrospinal fluid (CSF) revealed pleocytosis (52 lymphocytes) with absent oligoclonal bands and elevated protein levels to 68. CT head scan without contrast was unremarkable.