All of the following statements are false regarding sarcoidosis, except:
Correct Answer: Can be associated with unilateral or bilateral iritis or iridocyclitis
Description: Sarcoidosis The lungs are involved is seen in 90% cases. Clinical manifestations include lymph node enlargement, eye involvement (sicca syndrome , iritis, or iridocyclitis), skin lesions (e.g., erythema nodosum), and visceral (liver, skin, marrow) involvement. Lymph nodes are involved in almost all cases, paicularly the hilar and mediastinal nodes. Intra-alveolar and interstitial accumulation of CD4+ T cells, resulting in CD4/CD8 T-cell ratios ranging from 5:1 to 15:1. Schaumann bodies and asteroid bodies are seen on microscopic examination. These are not pathognomonic of sarcoidosis because these may be seen in other granulomatous diseases (e.g., tuberculosis).
Category:
Pathology
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