title: Nuclear scintigraphy findings for Askin tumor with In111-pentetreotide, Tc99m-MIBI and F18-FDG.
abstract: Askin tumor is a rare disease which had previously been reported as being thallium-201 and gallium-67 avid. Varying data regarding 18F- fluorodeoxyglucose metabolism has been described with Ewing family of soft tissue tumors. In this case, we present a patient found to have an Askin tumor of the left chest wall which demonstrated indium-111 pentetreotide and technetium-99m MIBI avidity. The lesion did not show 18F- fluorodeoxyglucose hypermetabolism in this case despite the aggressiveness of the tumor. The patient was treated with surgical excision of the tumor and chemotherapy. Subsequently, contrast enhanced CT, indium-111 pentetreotide and technetium 99m-MIBI showed that the lesion had regressed. These findings suggest that Askin tumor can demonstrate Indium-111 pentetreotide and technetium 99m-MIBI uptake and need not be hypermetabolic on 18F-fluorodeoxyglucose exam.
authors: Department of Radiology, Harbor-UCLA Medical Center, Torrance, CA 90509, USA. jc2671@gmail.com
authors: Johnathan
authors: J
authors: Chen
authors: Johanna
authors: J
authors: Chang
authors: Peter
authors: P
authors: Lew
authors: Panukorn
authors: P
authors: Vasinrapee
authors: John J
authors: JJ
authors: Shim
mesh_terms: D000293:Adolescent; D001859:Bone Neoplasms / Q000000981:diagnostic imaging* / Q000473:pathology; D005260:Female; D019788:Fluorodeoxyglucose F18 / Q000378:metabolism; D006801:Humans; D011877:Radionuclide Imaging / Q000379:methods; D019275:Radiopharmaceuticals / Q000378:metabolism; D012512:Sarcoma, Ewing / Q000000981:diagnostic imaging* / Q000473:pathology; D013004:Somatostatin / Q000031:analogs & derivatives*; D017256:Technetium Tc 99m Sestamibi / Q000378:metabolism; D035441:Thoracic Wall / Q000000981:diagnostic imaging* / Q000473:pathology
chemical_list: D019275:Radiopharmaceuticals; D019788:Fluorodeoxyglucose F18; D013004:Somatostatin; D017256:Technetium Tc 99m Sestamibi; C081788:pentetreotide
keywords: Askin; Chest wall mass; Ewing; FDG; MIBI; PNET; Pediatric radiology; Pentetreotide; Primitive neuroectodermal tumor
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