Diagnostic Differences in Expert Second-Opinion Consultation Cases at a Tertiary Sarcoma Center

Table 10

Tumor groups causing major differences in opinion/difficulties between referral and consultation opinion.

	2009	2014	2012 (current)
Type of cases	Referral	Referral	Second opinion (consultation)
Number of specimens	349	350	581
% of discrepancy	26.6%	28.2%	38%
Major	11%	16.4%	25%
Minor	15.6%	11.8%	7% (Table 8)
Major problem areas identified	Diagnosis of GIST and smooth muscle tumors	Diagnosis of smooth muscle tumors and GIST	Diagnosis of undifferentiated neoplasms, fibrohistiocytic and adipocytic tumors