title: Thoracic primitive neuroectodermal tumor: an unusual case and literature review.
abstract: We describe herein a rare case of a primary primitive neuroectodermal tumor (PNET) in the mediastinum of a 75-year-old man. Grossly, the tumor was located in the left upper anterior mediastinum. Transcutaneous fine-needle biopsy (TCNB) revealed small round-cell proliferation. The expression immunohistochemical analysis was confirmed the diagnosis of PNET. He was successfully treated with chemotherapy and is alive with no sign of recurrence for 17 months after the diagnosis.
authors.affiliation: Department of Internal Medicine, Sisli Etfal Education and Research Hospital, 34377 Istanbul, Turkey.
authors.forename: Kubra Erol
authors.initials: KE
authors.lastname: Kalkan
authors.forename: Ahmet
authors.initials: A
authors.lastname: Bilici
authors.forename: Fatih
authors.initials: F
authors.lastname: Selcukbiricik
authors.forename: Nurcan
authors.initials: N
authors.lastname: Unver
authors.forename: Mahmut
authors.initials: M
authors.lastname: Yuksel