Benign Schwannoma of the Retroperitoneal Space: Case Report

Brady, Katharine A.; McCarron, James P.; Vaughan, E. Darracott; Javidian, Parisa

doi:10.1016/s0022-5347(17)35429-0

Cited by 22 publications

(8 citation statements)

References 10 publications

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“…2 A correct preoperative diagnosis is often difficult because routine examinations cannot distinguish schwannoma from other tumors of neurogenic origin. 3 Histologic examination following laparotomy has been necessary to make a final diagnosis. However, with recent advances in the field of minimally invasive surgery, many urological procedures, such as nephrectomy 4 and adrenalectomy, 5 are now being performed laparoscopically.…”

Section: Introductionmentioning

confidence: 99%

Laparoscopic treatment of retroperitoneal benign schwannoma

et al. 1999

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Section: Introductionmentioning

confidence: 99%

Laparoscopic treatment of retroperitoneal benign schwannoma

et al. 1999

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“…In such cases, simple enucleation or even partial excision has been advocated [2,3]. We chose tumor enucleation because: (1) complete removal of the tumor could not be achieved without damaging important nerves; (2) the clinicopathological preoperative diagnosis was benign schwannoma; and (3) no recurrences have been reported in cases in whom benign tumors have been enucleated [4,5].…”

Section: Discussionmentioning

confidence: 99%

“…Complete enucleation of the tumor has been reported to show no recurrence [4,5], and occurrence of a malignant transformation of the residual tumor is unlikely.…”

Section: Discussionmentioning

confidence: 99%

Retroperitoneal Schwannoma Extending into the Intravertebral Foramen

et al. 2002

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A 35-year-old Japanese man first visited the hospital for episodes of numbness in the right medial femoral region and loss of muscular strength in the right thigh. A CT scan of the abdomen showed a 10 × 9-cm well-circumscribed in homogeneous multilayered mass, in contact with the lumbar vertebrae. MRI demonstrated a hypodense and hyperdense mixed mass. Tumor extension into the L₂/L₃ intravertebral foramen was shown. To avoid spinal cord damage, we chose enucleation of the tumor in the intravertebral foramen. A follow-up CT after 1 year showed no evidence of a recurrent mass. In conclusion, we advocate the nerve-sparing operation in cases like that of our patient.

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“…12,39) Malignant transformation is unlikely in patients without NF1, so simple enucleation or even partial excision and nerve salvage has been advocated. 6,23) However, incomplete tumor removal may be followed by local recurrence 23,28) or malignant transformation of the residual tumor. 18) Therefore, complete surgical resection is the treatment of choice for retroperitoneal NSTs.…”

Section: Discussionmentioning

confidence: 99%

Presacral Solitary Giant Neurofibroma Without Neurofibromatosis Type 1 Presenting as Pelvic Mass. Case Report.

Topsakal

Erol

Özercan

et al. 2001

Neurol. Med. Chir.(Tokyo)

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A 35-year-old woman presented with a solitary neurofibroma in an unusual presacral location without neurofibromatosis manifesting as bilateral chronic sciatica for 2 years. She was initially considered as having a giant right ovarian mass, but was referred with a prediagnosis of solitary giant sacral nerve sheath tumor. The initial differential diagnosis was based on neuroimaging. A right-sided J incision with the extraperitoneal approach provided good exposure and handling of the tumor bed. Almost total excision without neurological deficit was possible. The histological diagnosis was neurofibroma. Benign retroperitoneal neural sheath tumors in patients without von Recklinghausen's disease are quite rare. Intrapelvic tumors are often diagnosed at a later stage. Neuroimaging is very helpful to delineate this unusual site and the extent of tumor development, and to determine the appropriate surgical intervention. A clear understanding of retroperitoneal anatomy is essential for safe removal of such tumors. Complete resection is preferred to prevent local recurrence and malignant transformation. Although root section is inevitable, neurological deficit is unlikely.

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Benign Schwannoma of the Retroperitoneal Space: Case Report

Abstract: We report a case of retroperitoneal benign schwannoma involving the left femoral and obturator nerves. The difficulties of diagnosis are discussed and the potential complications of tumor removal are described.

Cited by 22 publications

References 10 publications

Laparoscopic treatment of retroperitoneal benign schwannoma

Laparoscopic treatment of retroperitoneal benign schwannoma

Retroperitoneal Schwannoma Extending into the Intravertebral Foramen

Presacral Solitary Giant Neurofibroma Without Neurofibromatosis Type 1 Presenting as Pelvic Mass. Case Report.

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