title: [Adipocytic tumors].
abstract: Adipocytic tumors are the most common mesenchymal neoplasms, liposarcoma accounting for approximately 20% of soft tissue sarcomas. The differential diagnosis between benign and malignant tumors is often problematic and represents a significant proportion of consultation cases. The goal of this article is to review liposarcoma subtypes, the main benign adipocytic neoplasms: lipoblastoma, hibernoma, spindle/pleomorphic cell lipoma, chondroid lipoma, as well as non adipocytic neoplasms with a lipomatous component such as lipomatous solitary fibrous tumor, emphasizing on practical differential diagnosis issues, and immunohistochemical and molecular tools allowing their resolution.
authors.affiliation: Service d'anatomie et cytologie pathologiques, pôle cellules et tissus, CHU Pontchaillou, 2, rue Henri-le-Guilloux, 35033 Rennes cedex 9, France. Electronic address: nathalie.stock@chu-rennes.fr.
authors.forename: Nathalie
authors.initials: N
authors.lastname: Stock
mesh_terms: D018206:Angiolipoma / Q000175:diagnosis / Q000235:genetics / Q000473:pathology; D014408:Biomarkers, Tumor; D002454:Cell Differentiation; D002869:Chromosome Aberrations; D003937:Diagnosis, Differential; D006801:Humans; D062689:Lipoblastoma / Q000175:diagnosis / Q000235:genetics / Q000473:pathology; D008067:Lipoma / Q000175:diagnosis / Q000235:genetics / Q000473:pathology; D008080:Liposarcoma / Q000175:diagnosis / Q000235:genetics / Q000473:pathology; D009363:Neoplasm Proteins / Q000235:genetics; D018205:Neoplasms, Adipose Tissue / Q000145:classification / Q000175:diagnosis / Q000235:genetics / Q000473:pathology*; D012509:Sarcoma / Q000175:diagnosis; D014944:World Health Organization
chemical_list: D014408:Biomarkers, Tumor; D009363:Neoplasm Proteins
keywords: Adipocytic tumors; Hibernoma; Hibernome; Lipoblastoma; Lipoblastome; Lipoma; Lipome; Liposarcoma; Liposarcome; Tumeurs adipeuses