55 y.o. coal miner approximately two months status post posterior cervical fusion for C2-C3 instability. Routine clinical followup shows a leukocytosis. The patient has known rheumatoid arthritis and exposure to coal dust.
â€¢ CXR: interstitial pattern, pulmonary nodules, and faint mass on the right.
â€¢ CT: multiple cavitary and noncavitary nodules and masses.
â€¢ Metastatic disease
â€¢ Septic emboli
Lesion/Condition Name: Caplan Syndrome
Cell of Origin:
Synonyms: Rheumatoid pneumoconiosis
ICD-0 code: 714.81
Associations/Predisposing Factors: Pneumoconiosis in patients with rheumatoid arthritis
Histology: hypersensitivity reaction
Radiology: Cavitating and non-cavitating pulmonary nodules and masses, primarily peripheral
Prognosis and Treatment:
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