title: Malignant rhabdoid tumor of the kidney diagnosed by fine-needle aspiration cytology.
abstract: A case of malignant rhabdoid tumor (MRT) of the kidney diagnosed by fine-needle aspiration cytology (FNAC) in a 4-mo-old infant who later developed a left pleural effusion (also recognized as metastatic disease by cytologic means) is reported. Rhabdoid cells--intermediate-sized cells with vesicular nuclei and prominent nucleoli, exhibiting a paranuclear, eosinophilic, dense inclusion--seem to be specific enough for this tumor to allow diagnosis by FNAC.
authors.affiliation: Department of Pathology, Hospital de Niños, La Plata, Argentina.
authors.forename: R
authors.initials: R
authors.lastname: Drut
mesh_terms: D001707:Biopsy, Needle; D005500:Follow-Up Studies; D006801:Humans; D007223:Infant; D007668:Kidney / Q000473:pathology*; D007680:Kidney Neoplasms / Q000473:pathology*; D010996:Pleural Effusion / Q000473:pathology; D012208:Rhabdomyosarcoma / Q000473:pathology; D014463:Ultrasonography; D009396:Wilms Tumor / Q000473:pathology*