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Table 2 Distribution of tumor entities for benign, malignant and non-neoplastic soft tissue masses ≤5 cm, ≤3 cm and ≤2 cm located superficial 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 97 (57.06%) 57 (56.43%) 35 (53.03%)   40 (23.53%) 21 (20.79%) 12 (18.18%)   33 (19.41%) 23 (22.77%) 19 (28.79%)
Deep benign fibrous histiocytoma 1 (0.59%) Angiosarcoma of soft tissue 1 (0.59%) Ganglion 20 (11.76%) 16 (15.84%) 12 (18.18%)
Fibroma 5 (2.94%) 3 (2.97%) 3 (4.55%) Dermatofibrosarcoma protuberans 6 (3.53%) 4 (3.96%) 3 (4.55%) Haematoma 2 (1.18%) 1 (0.99%) 1 (1.52%)
Fibromatosis 11 (6.47%) 9 (8.91%) 7 (10.61%) Ewing-Sarcoma 1 (0.59%) 1 (0.99%) 1 (1.52%) Pseudotumor 5 (2.94%) 1 (0.99%) 1 (1.52%)
Haemangioma 11 (6.47%) 9 (8.91%) 6 (9.09%) Extrapleural solitary fibrous tumor 1 (0.59%) 1 (0.99%) 1 (1.52%) Others 6 (3.53%) 5 (4.95%) 5 (7.58%)
Hamartoma 1 (0.59%) 1 (0.99%) 1 (1.52%) Fibrosarcoma 2 (1.18%) 2 (1.98%) 1 (1.52%)     
Hibernoma 1 (0.59%) Haemangioendothelioma 1 (0.59%) 1 (0.99%) 1 (1.52%)     
Lipoma 50 (29.41%) 22 (21.78%) 10 (15.15%) Leyomyosarcoma 4 (2.35%) 1 (0.99%) 1 (1.52%)     
Myxoma 1 (0.59%) Liposarcoma a 4 (2.35%) 2 (1.98%)     
Nodular fasciitis 1 (0.59%) 1 (0.99%) 1 (1.52%) Metastasis 3 (1.76%) 1 (0.99%) 1 (1.52%)     
Schwannoma 9 (5.29%) 9 (8.91%) 5 (7.58%) Myofibroblastic tumor 1 (0.59%) 1 (0.99%)     
Tenosynovial giant cell tumor 6 (3.53%) 3 (2.97%) 2 (3.03%) Myxofibrosarcoma 5 (2.94%) 1 (0.99%) 1 (1.52%)     
     Undifferentiated pleomorphic sarcoma 9 (5.29%) 4 (3.96%) 1 (1.52%)     
     Sarcoma, not otherwise specified 2 (1.18%) 2 (1.98%) 1 (1.52%)     
  1. aof those classified as low-grade liposarcoma/atypical lipomatous tumor: 1 ≤ 5 cm (0.59%), 0 ≤ 3 cm, 0 ≤ 2 cm