Inflammation of the tissue covering the spleen, or inflammation affecting the outer surface of the spleen.
From Greek epi- 'upon' + splen 'spleen' + -itis (suffix meaning inflammation). Created in medical Latin as a specific diagnosis.
Episplenitis is rare because the spleen is tucked deep in your abdomen—if it gets inflamed, usually the whole spleen is involved, making this specific diagnosis a reminder that medical terminology is extremely precise!
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