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Sarcoidosis. Bryan Imayanagita 10/22/10 UCI T-RAP. Background. Besnier-Boeck disease Abnormal collection of inflammatory granulomas 20-40 years year old. Scandinavian, blacks Commonly affects lungs. Pathophysiology. Exact cause unknown
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Sarcoidosis Bryan Imayanagita 10/22/10 UCI T-RAP
Background • Besnier-Boeck disease • Abnormal collection of inflammatory granulomas • 20-40 years year old. Scandinavian, blacks • Commonly affects lungs
Pathophysiology • Exact cause unknown • accumulation of monocytes, macrophages and activated T-lymphocytes • Macrophage increase inflammation while immune response suppressed • Genetic Factors: BTNL-2 gene (possibility)
Symptoms • Signs often vague and hard to distinguish • Fatigue, aches, pains, rashes • Enlarged lymph nodes • Mimics cancer • Can be asymptomatic
Diagnosis • Process of elimination • CT, chest X-ray, PET scan to exclude in pulmonary cases • Differential diagnosis: metastatic disease, lymphoma, septic emboli, etc • Women: association with hypo/hyperthyroidism
Treatment • 30-70% don’t require treatment • Corticosteroids (prednisone) • Follow up: EKG, liver, calcium tests
Prognosis • Can remit spontaneously or become chronic • Half cured in 12-36 months. Most in 5 years • heart problems • Higher cancer risks
Sources • http://www.merck.com/mmhe/sec04/ch050/ch050e.html • http://www.nhlbi.nih.gov/health/dci/Diseases/sarc/sar_signsandsymptoms.html • http://www.medicinenet.com/sarcoidosis/article.htm