Clinical and imaging features of desmoid tumors of the extremities

Table 1 Distribution of lesions in this group

Location	n (%)
Left forearm	3 (23.08)
Right forearm	3 (23.08)
Left hip	2 (15.38)
Right hip	1 (7.69)
Right thigh	1 (7.69)
Left hand	1 (7.69)
Left foot	1 (7.69)
Right hand	1 (7.69)
Total	13 (100.00)

Table 2 Magnetic resonance imaging findings of soft tissue desmoid tumors of the extremities

Manifestation	n (%)
Diameter
> 5 cm	8 (61.54)
< 5 cm	5 (38.46)
Shape
Quasi-circular or shuttle-shaped	11 (84.62)
Irregular shape	2 (15.38)
Boundary
Clear	3 (23.08)
Unclear	10 (76.92)
Signal
Uneven	4 (30.77)
Uniform	9 (69.23)
Enhancement mode
Uneven	11 (84.62)
Uniform	2 (15.38)
"Root" or "claw" infiltration	9 (69.23)
Invasion of neurovascular bundle	4 (30.77)

MRI: Magnetic resonance imaging.

Table 3 Computed tomography findings of soft tissue desmoid tumors of the extremities

Manifestation	n (%)
Focus density
Slightly lower density	9 (69.23)
Equal density	2 (15.38)
Slightly higher density	2 (15.38)
Strengthening degree
Mild strengthening	8 (61.54)
Moderate strengthening	3 (23.08)
Obvious strengthening	2 (15.38)
Boundary
Unclear	11 (84.62)
Clear	2 (15.68)
CT
< 50 Hu	7 (53.85)
≥ 50 Hu	6 (46.15)
Enhancement mode
Uneven	7 (53.85)
Uniform	6 (46.15)

CT: Computed tomography.