Imaging features of retroperitoneal and pelvic schwannomas

Hughes, Mary J.; Thomas, Joseph; Fisher, Cyril; Moskovic, E.

doi:10.1016/j.crad.2005.01.016

Cited by 146 publications

(145 citation statements)

References 10 publications

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“…Though pre-surgical diagnosis is difficult due to absence of distinguishing features between schwannoma and other soft tissue tumours by different imaging methods. 17 According to some reports, MRI has better visualisation. 6 CT could not differentiate schwannoma from ovarian in our case report, which may be due to absence of certain characteristic radiological signs of schwannoma in retroperitoneal location, such as target and fascicle signs.…”

Section: Discussionmentioning

confidence: 99%

A rare case of schwannoma mimicking ovarian tumour

Hembram

Durairaj

Maurya

2017

Int J Reprod Contracept Obstet Gynecol

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Ovarian tumor is the most common diagnosis in postmenopausal women, presenting with a pelvic mass, though other surgical causes can still be a remote possibility. We report an extremely rare case of a woman, post hysterectomy, presenting with a pelvic mass where both clinical and radiological evaluations were suggestive of an ovarian tumor. The patient underwent laparotomy and a pre-sacral cystic mass was found and excised. Histopathology revealed a schwannoma as the final diagnosis. Hence, it mandates a high index of suspicion to consider other surgical possibilities, vigilant management in the form of advanced radiological evaluation, especially when dealing with doubtful cases of adnexal tumors prior to surgery.

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Section: Discussionmentioning

confidence: 99%

A rare case of schwannoma mimicking ovarian tumour

Hembram

Durairaj

Maurya

2017

Int J Reprod Contracept Obstet Gynecol

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“…Последнее определяет многообразие гистоло-гических форм опухолей, обладающих различ-ными морфо-функциональными свойствами, определяющими их клиническое течение [3].…”

Section: Retroperitoneal Schwannoma (Clinical Case)unclassified

Retroperitoneal Schwannoma (Clinical Case)

Stepanova¹,

Александровна²,

Grishankov³

et al. 2016

Journal of Clinical Practice

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Schwannoma - a tumor growing from Schwann cells of the peripheral nerve sheath. Retroperitoneal schwannoma is a rare tumor accounting for approximately 1 to 5% of all retroperitoneal neoplasms. Retroperitoneal localization occurs for a total in 0.75-2.6% of cases, often they localize in the extremi- ties, the head and neck. Despite the significant progress made currently in the field of instrumental studies for non-organ retroperitoneal tumors, diagnosis and differential diagnosis remain a complex problem requiring further study. Presented clinical case illustrates difficulties in the diagnosis of retro- peritoneal schwannoma. Precise preoperative determination of the tumor relationship with all the nearby organs and vessels according to the different methods of ray diagnostics gives an opportunity to define the tactics of treatment.

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“…3 They are generally seen in females between the ages of 20-50 years. 4 They can be seen in any part of the body most of the time including head and neck region, cutaneous nerves, autonomic nerves and flexor parts of lower-upper extremities. In addition 3% of schwannomas can be seen in posterior mediastinum and retroperitoneum.…”

Section: Fi Gu Rementioning

confidence: 99%

“…In addition 3% of schwannomas can be seen in posterior mediastinum and retroperitoneum. 4,5 Schwannomas are solitary but rarely multiple schwannomas can be seen in some areas including peripheral nerves such as cranial nerves, spinal nerve roots, brachial and lumbosacral plexuses or main peripheral nerves. 6,7 Symptoms are unusual, unless the mass has become large enough to compress the adjacent nerve where pain can be seen.…”

Section: Fi Gu Rementioning

confidence: 99%

Axillary Schwannoma Mimicking Lymphadenopathy: Two Different Case Reports

Örgüç¹,

Başara²,

Özkarakaş³

et al. 2012

Turkiye Klinikleri J Med Sci

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A AB BS ST TR RA AC CT T Schwannomas are essentially benign tumors originating from schwann cells of peripheral, cranial or sympathetic nerves. They are not aggressive, encapsulated and grow slowly. Malignant transformation can rarely be seen. Even though they can be localized in any where in the body, cutaneous nerves of the head-neck region and flexor parts of the extremities are most commonly involved. Schwannomas are usually solitary, however multiple schwannomas can rarely be seen in the peripheral nervous system including cranial nerves, spinal nerve roots, brachiallumbosacral plexus and peripheral nerves. In these two cases, we aimed to report ultrasonography (US), magnetic resonance imaging (MRI) and pathology findings of different axillary schwannomas mimicking lymphadenopathy, and discuss the differential diagnosisin the light of the literature. In these patients, the lesions were noted to be in direct continuity with a cord-like structure resembling a nerve. US and MRI findings were compatible with the literature. Radiologic findings were confirmed by pathologic examination. As seen in our cases, a detailed differential diagnosis should be considered in every axillary lesion including frequently seen axillary lymphadenopathies.

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Imaging features of retroperitoneal and pelvic schwannomas

Cited by 146 publications

References 10 publications

A rare case of schwannoma mimicking ovarian tumour

A rare case of schwannoma mimicking ovarian tumour

Retroperitoneal Schwannoma (Clinical Case)

Axillary Schwannoma Mimicking Lymphadenopathy: Two Different Case Reports

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