Objective To describe the clinical and sonographic characteristics of benign, retroperitoneal,
pelvic peripheral‐nerve‐sheath tumors (PNSTs). Methods This was a retrospective study of …

Ancient schwannomas are rare, encapsulated tumours of long duration and are benign in
nature. The tumour is solitary and may grow to a large size before detection of notable …

Neurilemomas are benign usually encapsulated nerve sheath tumors derived from the
Schwann cells. These tumors commonly arise from the cranial nerves as acoustic …

Retrorectal tumors are rare and frequently present either incidentally or with vague
symptoms. Schwannomas of the presacral region are one variant described as benign …

Background There has been a recent growth in the use of whole body Computerised
Tomography (CT) scans in the private sector as a screening test for asymptomatic disease …

Retroperitoneal ancient schwannomas are rare tumors, more usually found in the head,
neck and flexor surfaces of the extremities. Ancient schwannomas are a subtype of classic …

Background Robotic‐assisted excision of a pelvic schwannoma is presented. Methods A 27
year‐old female presented with occasional numbness of the right thigh. Imaging studies …

Background: Pelvic schwannomas are extremely rare. However, when located in the pelvic
cavity, schwannomas are often encountered by a gynaecologist, not a general surgeon, and …

Ancient schwannomas are a rare variation of schwannomas, with the distinction being
based on histopathological examination of the excised specimen. On histopathological …

BACKGROUND Schwannomas are rare peripheral neural myelin sheath tumors that
originate from Schwann cells. Of the different types of schwannomas, pelvic sciatic nerve …