title: Ectopic hamartomatous thymoma: a case study and review of the literature.
abstract: Ectopic hamartomatous thymoma is a rare and distinctive tumor found in the deep soft tissues of the neck, which is characterized histopathologically by a mixture of spindle, epithelial, and adipose cell elements. We present a case of this lesion occurring in a 39-year-old male. The characteristic histochemical and immunohistochemical findings of these tumors are demonstrated. In addition, review of the reported histological, immunohistochemical and ultrastructural findings is presented together with a table of clinical findings in the tumors so far described. A brief discussion of theories of histogenesis and possible differential diagnosis is included.
authors.affiliation: Department of Anatomical Pathology, South Western Area Pathology Service, Liverpool Hospital, Australia.
authors.forename: C J
authors.initials: CJ
authors.lastname: Henderson
authors.forename: L
authors.initials: L
authors.lastname: Gupta
mesh_terms: D000328:Adult; D014408:Biomarkers, Tumor / Q000032:analysis; D002828:Choristoma / Q000473:pathology*; D006222:Hamartoma / Q000737:chemistry / Q000473:pathology*; D006258:Head and Neck Neoplasms / Q000737:chemistry / Q000473:pathology*; D006801:Humans; D007124:Immunoenzyme Techniques; D008297:Male; D009363:Neoplasm Proteins / Q000032:analysis; D012983:Soft Tissue Neoplasms / Q000737:chemistry / Q000473:pathology*; D013945:Thymoma / Q000737:chemistry / Q000473:pathology*; D013953:Thymus Neoplasms / Q000737:chemistry / Q000473:pathology*
chemical_list: D014408:Biomarkers, Tumor; D009363:Neoplasm Proteins