title: Ring enhancing lesion on CT scan: metastases or a brain abscess?
authors: City Hospital, Birmingham, UK. anilbaliuk@yahoo.co.uk
authors: Anil K
authors: AK
authors: Agarwal
authors: Ranjna
authors: R
authors: Garg
authors: Mary
authors: M
authors: Simon
mesh_terms: D000328:Adult; D014408:Biomarkers, Tumor / Q000378:metabolism; D001922:Brain Abscess / Q000000981:diagnostic imaging; D001932:Brain Neoplasms / Q000000981:diagnostic imaging* / Q000378:metabolism / Q000473:pathology / Q000556:secondary*; D003937:Diagnosis, Differential; D006801:Humans; D008297:Male; D008543:Melanins / Q000378:metabolism; D008545:Melanoma / Q000000981:diagnostic imaging* / Q000378:metabolism / Q000473:pathology / Q000556:secondary*; D009382:Neoplasms, Unknown Primary; D011859:Radiography
chemical_list: D014408:Biomarkers, Tumor; D008543:Melanins