title: An atypical relapse of acute myeloid leukemia diagnosed by 18F-FDG PET/CT.
abstract: Extramedullary relapse of acute myeloid leukemia (AML) after stem-cell transplant is very rare and often remains a diagnostic challenge. Although the diagnostic value of PET/CT has not been evaluated thoroughly in leukemia, it might be useful for detecting these focal localizations. We presented a case of a 58-year-old man, with a prior history of localized bladder cancer and a secondary AML, referred to our hospital with important thoracic backaches. PET/CT revealed the presence of meningeal carcinomatosis at the thoracic level, as well as lymph nodes, and muscular and bone metastases. Immunophenotyping of the cerebrospinal fluid aspirate showed a relapse of AML.
authors.affiliation: Department of Nuclear Medicine, Mont-Godinne Medical Center, Université Catholique de Louvain, Yvoir, Belgium.
authors.forename: Pascaline
authors.initials: P
authors.lastname: Schollaert
authors.forename: Claire
authors.initials: C
authors.lastname: Loosen
authors.forename: Marc
authors.initials: M
authors.lastname: André
authors.forename: Bernard
authors.initials: B
authors.lastname: Chatelain
authors.forename: Bruno M G
authors.initials: BM
authors.lastname: Krug
mesh_terms: D019788:Fluorodeoxyglucose F18; D006801:Humans; D015470:Leukemia, Myeloid, Acute / Q000000981:diagnostic imaging* / Q000473:pathology / Q000503:physiopathology; D008297:Male; D008875:Middle Aged; D064847:Multimodal Imaging; D049268:Positron-Emission Tomography; D012008:Recurrence; D014057:Tomography, X-Ray Computed
chemical_list: D019788:Fluorodeoxyglucose F18