Eggshell Calcification Mediastinal Lymphadenopathy

Eggshell Calcification Definition:

• Mediastinal lymphadenopathy where the periphery of the nodes are calcified - eggshell calcification.
• Sometimes the central portions may also show calcification.
• The ringlike shadow must be complete in at least one of the lymph nodes to fulfil the radiological criteria.

Important Causes:

• Coal worker's pneumoconiosis
• Lymphoma
• Sarcoidosis
• Silicosis

Other rare causes:

• Amyloidosis
• Blastomycosis
• Histoplasmosis
• Scleroderma
• Tuberculosis

Tags: Amyloidosis - Blastomycosis - Coal Worker's Pneumoconiosis - Eggshell Calcification - Histoplasmosis - Lymphoma - Sarcoidosis - Scleroderma - Silicosis - Tuberculosis
Posted by Medicalchemy
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