Friday 5 November 2010

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.