Tumor and Tumor-Like Lesions of Soft Tissue
Masses of the hand and wrist are a common clinical problem. Soft-tissue tumors of the hand and wrist are far more frequent than bone tumors. If clinical examination is equivocal, imaging is often requested. This chapter aims to present an overview of the
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Contents 1
Introduction ........................................................... 317
2 2.1
Benign Soft-Tissue Tumors .................................. Synovial Cyst, Ganglion Cyst and Tendon Sheath Cyst.............................................................. Epidermoid Cyst...................................................... Lipoma..................................................................... Lipomatosis of Nerve.............................................. Giant Cell Tumor of Tendon Sheath (GCTTS)..... Pigmented Villonodular Synovitis.......................... Vascular Tumors and Lymphatic Tumors.............. Benign Neurogenic Tumors.................................... Glomus Tumor ........................................................ Fibroma of the Tendon Sheath............................... Palmar Fibromatosis (Dupuytren Disease)............. Desmoid Tumors (Desmoid Type Fibromatosis)... Synovial Chondromatosis ....................................... Soft-Tissue Chondroma (Tenosynovial Chondromatosis)......................................................
2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9 2.10 2.11 2.12 2.13 2.14
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4.9 4.10 4.11
Gout, Tophaceous Pseudogout, and Other Metabolic Disease ................................................... Tenosynovitis and Soft-Tissue Abscess ................. Anomalous and Accessory Muscles ....................... Anomalous Osseous Structures............................... Bizarre Parosteal Osteochondromatous Proliferation (BPOP) ............................................... Knuckle Pads........................................................... Subcutaneous Granuloma Annulare ....................... Hypothenar Hammer Syndrome .............................
5
Conclusion .............................................................. 345
6
Key Points .............................................................. 345
4.5 4.6 4.7 4.8
Malignant Soft-Tissue Tumors ............................ 340
4 4.1 4.2 4.3
Pseudotumoral Lesions ......................................... Myositis Ossificans ................................................. Foreign-Body Granuloma ....................................... Rheumatoid Nodule ................................................
Abstract
Masses of the hand and wrist are a common clinical problem. Soft-tissue tumors of the hand and wrist are far more frequent than bone tumors. If clinical examination is equivocal, imaging is often requested. This chapter aims to present an overview of the imaging characteristics of the most frequent tumor and tumor-like soft-tissue lesions of the hand and wrist.
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1
F. M. Vanhoenacker P. Van Dyck J. L. Gielen A. M. De Schepper Department of Radiology, University Hospital Antwerp, Wilrijkstraat, 10, 2650 Edegem, Belgium F. M. Vanhoenacker (&) General Hospital Sint-Maarten Duffel-Mechelen, Rooienberg 25, 2570 Duffel, Belgium e-mail: [email protected]
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