Fine needle aspiration (FNA) cytology in the diagnosis of recurrent soft tissue sarcoma

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Abstract
Trovik c. s., bauer h. c. f., brosjö o., skoog l. and söderlund v. (1998) Cytopathology9, 320–328 Fine needle aspiration (FNA) cytology in the diagnosis of recurrent soft tissue sarcoma We have used FNA cytology to diagnose suspected local recurrences of soft tissue sarcoma. Since 1991, a total of 95 FNA cytologies were performed on 86 patients. There were 47 local recurrences, of which 44 were diagnosed correctly by FNA cytology; one biopsy was inconclusive, and two lesions were incorrectly assessed as benign. Thirty‐nine patients proved to have benign lesions in the scar area examined cytologically on 50 occasions. None of the specimens was regarded as malignant, but in four cases FNA cytology was inconclusive. Overall, there were 5% inconclusive cytological biopsies, 0% falsely malignant and 5% falsely benign. The inconclusive and false‐negative cytological diagnoses had no important clinical consequences. FNA biopsy provides a simple means of diagnosing local recurrence of soft tissue sarcoma.