Ultrasonography of a plexiform neurofibroma of the popliteal fossa.

Amputation stump neuroma: Ultrasound features

“…11,14,15 The advantage of ultrasound is its ability to detect the normal nerves as markedly echogenic, cord-like structures with internal linear echoes in longitudinally oriented scans and as an oval-to-round, echogenic section on transverse scans. 11 This feature of ultrasound allows one to ascertain the possible neural origin of a soft tissue mass if the latter is in the course of a nerve.…”

Sonographic target sign in neurofibromas.

“…[1][2][3][4][5][6][7] Both neurofibromas and schwannomas are typically well defined, homogeneous hypoechoic lesions. Several reports describe the additional finding of distal acoustic enhancement in some cases, simulating the appearance of a cyst.…”

“…Relatively few reports discuss the sonographic features of PNST, specifically neurofibromas. [1][2][3][4][5][6][7] The typical sonographic description is that of a well defined, homogeneous hypoechoic lesion, which can show posterior acoustic enhancement mimicking a cystic lesion. 1,3,4 We present a case of neurofibromatosis in a 19 year old man, which was initially diagnosed by ultrasonography.…”

Sonographic appearances of nerve tumors

“…However, sonography can show a lamellar pattern and increased blood flow in diffuse neurofibroma, 15 and plexiform neurofibroma may be multinodular. 16 Sonography can be used to guide biopsy of soft tissue masses. This may be of particular value in the patient with known NF1 who develops a painful, enlarging mass.…”