title: Prostate Cancer Metastases to Inguinal Lymph Nodes Detected by Attenuation-Corrected 11C-Acetate PET/CT.
abstract: The inguinal lymph nodes are an unusual site of metastases for prostate adenocarcinoma. We present a case in which a 61-y-old man with biochemically recurrent prostate cancer underwent attenuation-corrected (11)C-acetate PET/CT, which demonstrated multiple foci of increased activity in the left inguinal, left iliac chain, and right inguinal regions. The attenuation-corrected CT portion of the scan also showed anterior wall thickening of the rectum. The imaging findings were suggestive of metastatic involvement of the rectum below the dentate line with subsequent spread to the inguinal lymph nodes.
authors.affiliation: Department of Radiology, University of Kansas Medical Center, Kansas City, Kansas; and vshah@kumc.edu.
authors.forename: Veer A
authors.initials: VA
authors.lastname: Shah
authors.affiliation: University of Kansas School of Medicine, Kansas City, Kansas.
authors.forename: Allison
authors.initials: A
authors.lastname: Rixey
authors.affiliation: Department of Radiology, University of Kansas Medical Center, Kansas City, Kansas; and.
authors.forename: Reginald
authors.initials: R
authors.lastname: Dusing
mesh_terms: D000085:Acetates; D002244:Carbon; D006801:Humans; D007091:Image Processing, Computer-Assisted; D008207:Lymphatic Metastasis; D008297:Male; D008875:Middle Aged; D000072078:Positron Emission Tomography Computed Tomography; D011471:Prostatic Neoplasms / Q000000981:diagnostic imaging* / Q000473:pathology*
chemical_list: D000085:Acetates; C438206:carbon-11 acetate; D002244:Carbon
keywords: 11C-acetate PET/CT; AC; inguinal; lymph nodes; prostate cancer