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Table 3 Distribution of tumor entities for benign, malignant and non-neoplastic soft tissue masses ≤5 cm, ≤3 cm and ≤2 cm located deep to the fascia

From: Soft tissue masses: distribution of entities and rate of malignancy in small lesions

Benign Malignant Non-neoplastic
Entity ≤5 cm ≤3 cm ≤2 cm Entity ≤5 cm ≤3 cm ≤2 cm Entity ≤5 cm < 3 cm ≤2 cm
Overall 465 (66.43%) 273 (73.39%) 124 (71.26%)   155 (22.14%) 57 (15.32%) 24 (13.79%)   80 (11.43%) 42 (11.29%) 26 (14.94%)
Fibroma 28 (4.0%) 23 (6.18%) 13 (7.47%) Alveolar soft part sarcoma 4 (0.57%) Bursitis 6 (0.86%) 4 (1.08%) 3 (1.72%)
Fibromatosis 29 (4.14%) 17 (4.57%) 7 (4.02%) Angiosarcoma of soft tissue 5 (0.71%) 2 (0.54%) Ganglion 45 (6.43%) 26 (6.99%) 15 (8.62%)
Glomus tumors 1 (0.14%) Chondrosarcoma 2 (0.29%) 1 (0.27%) Haematoma 3 (0.43%)
Haemangioma 63 (9.0%) 39 (10.48%) 14 (8.05%) Clear cell sarcoma of soft tissue 3 (0.43%) 1 (0.27%) 1 (0.57%) Lipoma arborescens 2 (0.29%)
Lipoma 47 (6.71%) 12 (3.23%) 2 (1.15%) Dermatofibrosarcoma protuberans 1 (0.14%) 1 (0.27%) Pseudotumor 7 (1.0%) 4 (1.08%) 2 (1.15%)
Lymphangioma 1 (0.14%) Epithelioid sarcoma 4 (0.57%) 3 (0.81%) 1 (0.57%) Others 17 (2.43%) 8 (2.15%) 6 (3.45%)
Myopericytoma 3 (0.43%) 2 (0.54%) 2 (1.15%) Ewing-Sarcoma 1 (0.14%)     
Myositis ossificans 2 (0.29%) 2 (0.54%) Extraskeletal osteosarcoma 1 (0.14%)     
Myxoma 20 (2.86%) 7 (1.88%) 3 (1.72%) Extrapleural solitary fibrous tumour 5 (0.71%)     
Nodular fasciitis 24 (3.43%) 18 (4.84%) 12 (6.9%) Fibrosarcoma 3 (0.43%) 3 (0.81%) 1 (0.57%)     
Perineurioma 1 (0.14%) Leyomyosarcoma 14 (2.0%) 9 (2.42%) 5 (2.87%)     
Schwannoma 83 (11.86%) 54 (14.52%) 22 (12.64%) Liposarcoma a 23 (3.29%) 4 (1.08%) 3 (1.72%)     
Tenosynovial giant cell tumor 163 (23.29%) 99 (26.61%) 49 (28.16%) Lymphoma 7 (1.0%) 1 (0.27%)     
     Metastasis 3 (0.43%) 1 (0.27%)     
     Malignant peripheral nerve sheath tumor 1 (0.14%)     
     Myofibroblastic tumor 5 (0.71%) 4 (1.08%) 1 (0.57%)     
     Myxofibrosarcoma 19 (2.71%) 6 (1.61%) 4 (2.3%)     
     Rhabdomyosarcoma 4 (0.57%) 1 (0.27%)     
     Synovial sarcoma 20 (2.86%) 9 (2.42%) 3 (1.72%)     
     Undifferentiated pleomorphic sarcoma 25 (3.57%) 8 (2.15%) 4 (2.3%)     
     Sarcoma, not other specified 5 (4.29%) 3 (0.81%) 1 (0.57%)     
  1. aof those classified as low-grade liposarcoma/aypical lipomatous tumor: 12 ≤ 5 cm (1.71%), 2 ≤ 3 cm (0.54%), 2 ≤ 2 cm (1.15%)