Tahir Ahmad Khan

Learn More
Various infections have been causative in the pathogenesis of systemic vasculitides, and HIV infection is not spared. In an immunocompromised host, cytomegalovirus, Epstein-Barr virus, varicella zoster virus, herpes simplex virus, hepatitis B and hepatitis C virus, and mycobacteria, along with HIV infection can cause vasculitis. Herein we emphasize the(More)
OBJECTIVES To report 4 cases of cocaine-related purpura and to review previously reported cases of levamisole, levamisole-contaminated cocaine, and cocaine-induced vasculopathy. METHODS We describe 4 patients suspected of vasculopathy associated with levamisole-tainted cocaine use. A retrospective review of the literature was performed using the PubMed,(More)
To study the cytokine profile in a 52 year old woman with psoriasis, PsA, and HCV who developed hepatic sarcoidosis following Etanercept therapy for 7 months. 11 PsA patients on TNF blockers mean disease duration 158.4 (SD 114.5), mean treatment duration 72.1 (SD 42.14) months, 8/11 PsA were on Etanercept and 5 healthy controls were studied. TNF-α, sTNF(More)
The past decade has witnessed an exponential increase of novel therapeutic modalities for a variety of rheumatic disorders, including gout. During the past few years two novel therapeutic agents have been approved by the US Food and Drug Administration for the treatment of hyperuricemia in patients with gout, one of them being febuxostat, a nonpurine(More)
A retrospective chart review was conducted to detect patients with sarcoidosis seen by pediatric rheumatology service from the period of 1992 to 2013 at Children’s hospital of New Orleans. Twenty-seven patients were identified. The average duration of symptoms before diagnosis was 5 (range 1–120) months. Five patients had onset before the age of 5 years and(More)
  • 1