Sarcoma / 2014 / Article / Tab 2 / Research Article
Histopathological Diagnostic Discrepancies in Soft Tissue Tumours Referred to a Specialist Centre: Reassessment in the Era of Ancillary Molecular Diagnosis Table 2 Summary of cases showing minor discrepancy.
Referral diagnosis Final diagnosis
Malignant Malignant DFSP DFSP with fibrosarcoma 5 DFSP with fibrosarcoma Fibrosarcoma 1 DFSP with fibrosarcoma Spindle cell sarcoma 1 Malignant SFT Fibrosarcoma 1 Fibrosarcoma MPNST 1 Myxoinflammatory fibrosarcoma Myxofibrosarcoma 1 Myxoid liposarcoma Myxofibrosarcoma 1 Spindle cell sarcoma Myxofibrosarcoma 1 RMS NOS Embryonal RMS 1 RMS NOS Pleomorphic RMS 1 RMS NOS Myoid sarcoma 1 Myoid sarcoma Pleomorphic RMS 1 Leiomyosarcoma Myoid sarcoma 4 Leiomyosarcoma Spindle cell sarcoma 1 Leiomyosarcoma Undifferentiated neoplasm 1 Leiomyosarcoma Myofibrosarcoma 1 MPNST Clear cell sarcoma 1 Undifferentiated neoplasm Clear cell sarcoma 1 PEComa, ?atypical features PEComa, malignant 2 DDL Spindle cell sarcoma 1 Sarcoma Malignant neoplasm 2 Extraskeletal myxoid chondrosarcoma Malignant neoplasm 1 Benign Benign Spindle cell lesion Myxoma 1 Myxoid lesion Myxoma 1 Benign neoplasm Ossifying fibromyxoid tumour 1 Spindle cell lesion Neurofibroma 1 Giant cell tumour of tendon sheath Ossifying fibroma 1 SFT Schwannoma 1 Fibrosis Benign smooth muscle tumour 1 Grade Grade GIST 2 GIST 3 1 GIST 3 GIST 2 1 Spindle cell sarcoma 3 Myxofibrosarcoma 2 1
DFSP: dermatofibrosarcoma protuberans; DDL: dedifferentiated liposarcoma; GIST: gastrointestinal stromal tumour; MPNST: malignant peripheral nerve sheath tumour; NOS: not otherwise specified; RMS: rhabdomyosarcoma; SFT: solitary fibrous tumour.