Abstract
Soft tissue tumors involving the hand are common and most often benign. It is important to know the spectrum of soft tissue tumors of the hand and understand the typical as well as atypical imaging features are seen on different imaging modalities. The imaging features are largely determined by the tumor histopathology; thus, the basic idea about the tumor histopathology will always be useful. This article intends to focus on a comprehensive approach including demographics, clinical presentation, and imaging findings required to diagnose the tumor definitely or narrow the differentials. This article discusses common soft tissue tumor mimics of the hand as well, however, excludes the bone tumors for the sake of brevity.
Highlights
Mesodermal mesenchyme differentiates into different soft tissue structures such as muscle, tendon, synovial sheath, skin, blood vessels, and nerves
Hand tumor may comprise these soft tissue structures. Both hands represent a total of only 2% of total body surface area[1] and a total of only 1.2% of total body weight, they account for 15% of all soft tissue tumors.[2]
This article provides an overview of the classification of common soft tissue hand tumors and highlights the important, useful imaging features of these tumors [Table 1]
Summary
Mesodermal mesenchyme differentiates into different soft tissue structures such as muscle, tendon, synovial sheath, skin, blood vessels, and nerves. Hand tumor may comprise these soft tissue structures Both hands represent a total of only 2% of total body surface area[1] and a total of only 1.2% of total body weight, they account for 15% of all soft tissue tumors.[2] Another interesting fact is that 95% of hand tumors without skin involvement are benign.[3] Most of the hand tumors present early, given the superficial location and readily visible and palpable. For these reasons, most of the hand tumors have a good prognosis. Malignant soft tissue tumors of the hand are rare and represent only 2% of all hand lesions.[4]
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