This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Immunology and Rheumatology, Subject name: Medicine
What diagnosis is implied by the results of this gallium scan? 
Select and explain. 
A. Mumps, B. Paget's disease, C. Sarcoidosis, D. Septic emboli
C: Sarcoidosis
Answer: C: Sarcoidosis 
Explanation: Answer C. SarcoidosisThe gallium scan shows nasal, parotid, lung, liver, spleen, subcutaneous-nodule, and mediastinal and epitrochlear lymph-node uptake. This pattern is most consistent with a diagnosis of sarcoidosis.