47.
Egg shell calcification of hilar lymph
nodes is most often due to:
A. Sarcoidosis B. Silicosis
C. Asbestosis D. Beryllosis
Answers
Answer:
A 55-year-old man from Khambhat, India, who was admitted to undergo a planned repair of a direct inguinal hernia, was found to have bilateral hilar lymphadenopathy with calcification in a peculiar circumferential pattern identified as eggshell calcification on chest X-ray (figure 1) as part of a routine preoperative evaluation. The patient denied any symptoms of cough, dyspnoea, chest pain, night sweats or weight loss. Moreover, there was no contact history for tuberculosis. On further probing he admitted that he had in fact worked as a gemstone cutter for more than 20 years. A complete physical examination and laboratory work up (including serum ACE levels and an antinuclear antibody profile) were normal apart from the hernia. Pulmonary function tests were normal and a high resolution of the chest revealed, apart from the calcified lymph nodes, subtle reticulonodular opacities in the upper lobes. Based on his significant occupational history a diagnosis of silicosis was made and the patient was discharged on close follow-up after an uneventful surgery
Explanation:
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Answer:
Explanation:
Peripheral calcification of lymph nodes, "eggshell calcification," commonly occurs in patients with silicosis and coal worker's pneumoconiosis. Sarcoidosis, postirradiation Hodgkin disease, blastomycosis, and scleroderma are other reported ...High-resolution computed tomogram of the chest (lung window) at the level just ... The pattern of calcification is the classical “eggshell calcification,” a calcified rim ... Silicosis is fibrotic pneumoconiosis that follows exposure to various forms of free ... Hilar and mediastinal lymphadenopathy is common, and the lymph nodes ...Main causes of lymph node calcification: benign tuberculosis histoplasmosis ... treated lymphoma and metastases Aids to differentiating cause: silicosis vs sarcoidosis... ... lymph node involvement is more common in sarcoidosis; silicosis: the patient usually has a history of a silica-exposure related job (as in this case) ...d) Axial contrast-enhanced CT scan shows bilateral eggshell-like calcifications of hilar and mediastinal lymph nodes (arrows), ... Thoracic involvement is common and accounts for most of the morbidity and mortality associated with the disease. ... Pulmonary Sarcoidosis, Computational Thinking, and Thoracic Radiography ...
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