title: An unresolved hematoma.
authors.affiliation: Division of Hematology and Oncology, Department of Medicine, The University of Hong Kong, Queen Mary Hospital, Pok Fu Lam Road, Hong Kong.
authors.forename: S Y
authors.initials: SY
authors.lastname: Ma
authors.forename: W Y
authors.initials: WY
authors.lastname: Au
mesh_terms: D000368:Aged; D003937:Diagnosis, Differential; D005260:Female; D005546:Forehead / Q000293:injuries / Q000473:pathology; D006406:Hematoma / Q000473:pathology*; D006801:Humans; D016393:Lymphoma, B-Cell / Q000175:diagnosis; D016403:Lymphoma, Large B-Cell, Diffuse / Q000175:diagnosis* / Q000628:therapy