title: Extranodal lymphoid disorders.
authors: Department of Pathology and Laboratory Medicine, University of Pennsylvania Medical School, Philadelphia.
authors: K E
authors: KE
authors: Salhany
authors: G G
authors: GG
authors: Pietra
mesh_terms: D003937:Diagnosis, Differential; D005134:Eye Neoplasms / Q000473:pathology*; D005770:Gastrointestinal Neoplasms / Q000473:pathology*; D006801:Humans; D008175:Lung Neoplasms / Q000473:pathology*; D008221:Lymphoid Tissue / Q000473:pathology*; D008223:Lymphoma / Q000473:pathology*; D009092:Mucous Membrane / Q000473:pathology; D012468:Salivary Gland Neoplasms / Q000473:pathology*; D013964:Thyroid Neoplasms / Q000473:pathology