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

Table 4

Smooth muscle tumors with discrepancy in opinion.

Original diagnosis	Second-opinion diagnosis
Malignant to malignant, 5 cases
Epithelioid rhabdomyosarcoma	Epithelioid leiomyosarcoma
Malignant spindle cell tumor	Cutaneous leiomyosarcoma
Myxofibrosarcoma	Leiomyosarcoma
Gastrointestinal stromal tumor	Leiomyosarcoma
Angiosarcoma	Leiomyosarcoma
Benign to malignant, 1 case
Cellular leiomyoma	Low-grade leiomyosarcoma
Intermediate to malignant, 4 cases
Smooth muscle tumor of uncertain malignant potential	Low-grade leiomyosarcoma
Atypical leiomyoma	Low-grade leiomyosarcoma
Smooth muscle tumor of uncertain malignant potential	Leiomyosarcoma, grade 2
Smooth muscle tumor of uncertain malignant potential	Leiomyosarcoma