title: Askin's Tumor in an Adult: Case Report and Findings on 18F-FDG PET/CT.
abstract: Primitive neuroectodermal tumor (PNET) of the chest wall or Askin's tumor is a rare neoplasm of chest wall. It most often affects children and adolescents and is a very rare tumor in adults. In this case report, we present an Askin's tumor occurred in a 73-year-old male. The patient was admitted with a history of 3-month lower back pain and cough. In computed tomography, there was a lesion with dimensions of 70 x 40 x 65 mm in the superior segment of the lower lobe of the left lung. Positron emission tomography/computed tomography with 18F-flourodeoxyglucose revealed a pleural-based tumor in the left lung with a maximum standardized uptake value of 4.36. No distant or lymph node metastases were present. The patient had gone through surgery, and wedge resection of the superior segment of left lobe and partial resection of the ipsilateral ribs were performed. Pathology report with immunocytochemistry was consistent with PNET and the patient received chemotherapy after that.
authors.affiliation: Department of Nuclear Medicine, Selcuklu Medical Faculty, Selcuk University, 42075 Konya, Turkey.
authors.forename: Gonca
authors.initials: G
authors.lastname: Kara Gedik
authors.forename: Oktay
authors.initials: O
authors.lastname: Sari
authors.forename: Tamer
authors.initials: T
authors.lastname: Altinok
authors.forename: Lema
authors.initials: L
authors.lastname: Tavli
authors.forename: Bugra
authors.initials: B
authors.lastname: Kaya
authors.forename: Pelin
authors.initials: P
authors.lastname: Ozcan Kara