title: Knee pain exacerbated by recumbency: an unusual manifestation of spinal cord involvement by diffuse histiocytic lymphoma.
mesh_terms: D005260:Female; D006801:Humans; D007719:Knee Joint; D016403:Lymphoma, Large B-Cell, Diffuse / Q000150:complications*; D008875:Middle Aged; D010146:Pain / Q000209:etiology*; D011187:Posture; D013120:Spinal Cord Neoplasms / Q000150:complications*