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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Pneumonia With Hilar Lymphadenopathy - Causes

General causes:

• Any post-obstructive pneumonia

Viral causes:

• Ebstein-Barr virus
• Rubella
• Varicella

Chlamydial causes:

• Chlamydia psittaci

Rickettsial causes:

• Q-fever

Bacterial causes:

• Anthrax
• Bubonic plague
• Tuberculosis, primary
• Tularaemia
• Whooping cough

Fungal causes:

• Coccidioidomycosis
• Histoplasmosis
• Sporotrichosis

Parasitic causes:

• Toxoplasmosis
• Tropical pulmonary eosinophilia

Tags: Anthrax - Bubonic Plague - Coccidioidomycosis - EBV - Chlamydia psittaci - Histoplasmosis - Q-fever - Rubella - Sporotrichosis - Toxoplasmosis - Tuberculosis - Tularaemia - Varicella - Whooping Cough
Posted by Medicalchemy
Medicalchemy Group: History of Medicine - Images - Mnemonics - Syndromes - Anaesthesiology - Anatomy - Anthropology - Biochemistry - Cardiology - Dentistry - Dermatology - Drugs -Emergency Medicine - Endocrinology - Family Medicine - Gastroenterology - Genetics - Geriatrics - Gynecology - Haematology - Health Informatics - Hepatology - Immunology - Infection -Intensive Care - Metabolic Medicine - Microbiology - Nephrology - Neuroscience - Nutrition - Obstetrics - Oncology - Ophthalmology - Orthopaedics - Otolaryngology - Palliative Care -Parasitology - Pathology - Pharmacology - Physiology - Psychiatry - Public Health - Radiology - Respiratory - Rehabilitation - Sports Medicine - Surgery - Toxicology - Tropical Medicine -Urology - Vascular - Virology.