Abstract:
Schwannomas are rare neoplasms with non-specific clinical
features which may render diagnosis difficult. Ideally,
complete surgical excision is preferred, as malignant
schwannoma lacks sensitivity to chemo and radiotherapy.
We report a 40-year-old female who was referred to our
tertiary referral hospital for ultrasound-guided biopsy of a
non-palpable left pelvic mass with normal tumour markers
and previous history of diffuse large B-cell lymphoma who
completed 10 cycles of chemotherapy, with follow-up
revealed no bone marrow infiltration by the primary disease.
Serial computed tomography suggested retroperitoneal
mass while her magnetic resonance imaging of the pelvis
revealed a well-encapsulated multiloculated solid cystic
mass. The definitive diagnosis was only