Pelvic Neurofibroma

Bakhshi, Girish D.; Tayade, Mukund B; Yadav, Rajesh B.; Jadhav, Kavita V.; Shenoy, Sachin S.; Amin, Margi V.

doi:10.4081/cp.2014.660

Cited by 4 publications

(5 citation statements)

References 7 publications

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“…Neurofibromas rarely arise from other parts of the body [14]. Most patients with retroperitoneal pelvic neurofibroma have associated neurofibromatosis/Von Recklinghausen’s disease [1, 15, 16]. Our patient did not have any hereditary disorder.…”

Section: Discussionmentioning

confidence: 84%

“…Patients with neurofibroma usually do not have any neurological symptoms [1]. These tumors, unlike other peripheral nerve tumors, may grow to a considerable size and occupy an unusual position, compressing the neighboring structures and causing severe pain.…”

Section: Discussionmentioning

confidence: 99%

“…If a case has no cutaneous neurofibromatosis, diagnosis of pelvic neurofibroma is made only on histology of the excised specimen [1]. When a diagnosis of solitary neurofibroma is made, other subclinical forms of neurofibromatosis must be excluded.…”

Section: Discussionmentioning

confidence: 99%

“…Neurofibromas have been classically associated with neurofibromatosis type I (NF-1, Von Recklinghausen’s disease). They are found in diverse anatomical locations but seldom in the retroperitoneal location [1]. We report this case of a pelvic neurofibroma in a 33-year-old woman, which mimicked an adnexal mass on presentation.…”

Section: Introductionmentioning

confidence: 98%

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Neurofibroma involving obturator nerve mimicking an adnexal mass: a rare case report and PRISMA-driven systematic review

et al. 2018

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BackgroundPelvic masses are a common gynecologic problem, and majority of them are diagnosed as ovarian tumors finally. Sometimes, it is hard to distinguish the origin of these pelvic masses. The following case is a solitary neurofibroma arising from the right-side obturator nerve, which was impressed as a right-side ovarian tumor initially. We reported this case, and also performed a PRISMA-driven systematic review to summary the similar cases in the literature. This review includes image, molecular and pathological findings and outcome of neurofibroma.Case presentationA 33-year-old woman with a regular menstrual period denied any symptoms or signs. During her physical check-up, image examination revealed a right-side heterogeneous pelvic mass; it was suggestive of a complex of right-side ovarian tumor. A provisional diagnosis of retroperitoneal pelvic mass, probably a benign ovarian tumor, was made.Excision of the right-side pelvic mass was performed. We sent the specimens for frozen pathology, which indicated neurofibroma and lipomatous tumor and that the possibility of liposarcoma cannot be excluded. A segment of the obturator nerve was attached to the tumor and was severed. A right-side obturator nerve tear during tumor excision was observed, and a neurosurgeon was consulted for obturator nerve grafting and repair. The patient complained of mild weakness and paresthesia affecting the right leg, and we consulted a rehabilitation doctor for neuron injury. The patient’s recovery was uneventful, and she was discharged eight days after the drain was removed. Further rehabilitation treatment was arranged.ConclusionA neurofibroma is an uncommon pelvic retroperitoneal tumor, and it can be misdiagnosed as an adnexal mass. To our knowledge, this is a rare case of a solitary neurofibroma arising from the obturator nerve. It usually does not have any neurological deficit. We present this case to demonstrate that pelvic neurofibroma can be mistaken for an adnexal mass. This fact should be borne in mind during the diagnosis process.

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Section: Discussionmentioning

confidence: 84%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 98%

See 2 more Smart Citations

Neurofibroma involving obturator nerve mimicking an adnexal mass: a rare case report and PRISMA-driven systematic review

et al. 2018

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“…Neurofibromas have been classically associated with neurofibromatosis type I (NF-1: Von Recklinghausen’s disease). They are found in diverse anatomical locations but rarely occur in a retroperitoneal location [ 1 ]. Moreover, a solitary neurofibroma without any clinical signs of NF-1 is rarely reported and diagnosis is very difficult.…”

Section: Introductionmentioning

confidence: 99%

Retroperitoneal solitary neurofibroma mimicking lymph node metastasis of colon cancer: a case report

et al. 2023

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Background A neurofibroma is a benign tumor that arises from Schwann cells and neurofibromas occur throughout the skin of neurofibromatosis type 1 (NF-1: Von Recklinghausen’s disease) patients. A retroperitoneal solitary neurofibroma without any clinical signs of NF1 has been rarely reported. Herein, we present a case of a retroperitoneal solitary neurofibroma mimicking lymph node metastasis of colon cancer as well as a literature review. Case presentation An 80-year-old woman with abdominal pain and nausea was transported and diagnosed with bowel obstruction arising from sigmoid colon cancer A colonic stent was inserted to alleviate the bowel obstruction. A computed tomography scan with contrast revealed a liver tumor in segment 3, and an enlarged lymph node around the abdominal aorta. Whole-body 18F-fluorodeoxyglucose-positron emission tomography–CT (FDG-PET–CT) examine revealed increased FDG uptake in the liver tumor and enlarged lymph node. Liver and distant lymph node metastasis were diagnosed and we made a plan for a two-stage operation of the colon cancer and the metastatic lesions because laparotomy resection was needed for the retroperitoneal lymph node. Laparoscopic sigmoid colectomy was performed first. Pathological examination showed a tubular adenocarcinoma. A laparotomy for the metastatic lesions was performed to ensure complete lymph node dissection secondly. Histopathological findings of the liver tumor showed metastasis of sigmoid colon cancer. However, the tissue regarded as the enlarged lymph node was diagnosed as a neurofibroma. No metastasis and recurrence were observed. Conclusion Although most neurofibromas are benign, malignant transformation of a neurofibroma is possible. PET–CT showed our patient had a high accumulated retroperitoneal tumor co-existing with colon cancer and liver metastasis. The treatment strategy of a solitary neurofibroma must be selected carefully considering the site of occurrence and the patient’s background and aggressive resection of a tumor co-existing with another malignant tumor is needed.

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Clinical Study on Photodynamic Therapy (PDT) In Patients with Nasopharyngeal Carcinoma in Yogyakarta Review of Life Expectancy and Cytokine Level

Indrasari¹,

Sastrowijoto²,

Astuti³

et al. 2016

JOENTR

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Pelvic Neurofibroma

Cited by 4 publications

References 7 publications

Neurofibroma involving obturator nerve mimicking an adnexal mass: a rare case report and PRISMA-driven systematic review

Neurofibroma involving obturator nerve mimicking an adnexal mass: a rare case report and PRISMA-driven systematic review

Retroperitoneal solitary neurofibroma mimicking lymph node metastasis of colon cancer: a case report

Clinical Study on Photodynamic Therapy (PDT) In Patients with Nasopharyngeal Carcinoma in Yogyakarta Review of Life Expectancy and Cytokine Level

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