Fig. 2From: Surgeon-performed ultrasound guided fine-needle aspirate biopsy with report of learning curve; a consecutive case-series studyBreakdown of reason given for a specimen being non-diagnostic. Of all the non-diagnostic biopsies, our cytopathologists commented that they were non-diagnostic for having blood (14.6 %), an absence of follicular cells (37.5 %), having cyst contents (14.6 %), or having limited cellularity (33.3 %) Back to article page