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Rare case of sciatic schwannoma.

Naik T, Premkumar A, Naik CS, Abhishekh HA - Asian J Neurosurg (2015 Jul-Sep)

View Article: PubMed Central - PubMed

Affiliation: Department of Surgery, Bangalore Medical College and Research Institute, Bangalore, India.

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Schwannomas are tumors arising from Schwann cells of nerve sheath... Isolated sciatic schwannomas are rare entities described in literature... A 26-year-old male presented with swelling in the left gluteal region since 15 years... Smooth surface and round border was made out... Skin over the swelling was normal... There was no local rise of temperature... Soft tissue scan revealed well-defined multilobulated collection with internal echoes, septations, and few cystic areas, thus suggesting inconclusive complex organized collections... Magnetic resonance imaging (MRI) showed contiguous soft tissue lesions, few showing cystic changes in left gluteal and posterior thigh region in inter-muscular plane... Surgical resection was performed [Figure 1]... Though rare, schwannomas can cause sciatica... It is important to consider this condition in the differential diagnosis of sciatica... From prognostic point of view, schwannomas have excellent recovery than sarcomas... In general surgical practice, it is common to consider lipoma as one among the differential diagnoses in gluteal region swelling... General surgeons should be aware that if they receive this kind of case, schwannoma should be considered in the differential diagnosis and extirpation should be done carefully without damaging the nerve.

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Intraoperative finding
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Figure 1: Intraoperative finding

Mentions: Surgical resection was performed [Figure 1]. A mass measuring 25 cm × 12 cm was observed arising from the sciatic nerve. Tumor was homogenously grayish white and fleshy with few cystic changes on gross appearance. Histopathology report revealed partly encapsulated benign fibrocellular neural lesion comprising Antony A and B areas. Cellular areas showed verrucous bodies. The cells were elongated with fibrillary cytoplasm. No nuclear atypia or increased mitotic figures was observable. There was a good number of hyalinized vessels [Figure 2]. Thus, diagnosis of schwannoma was made. Patient recovered without any neurological deficits after surgery.


Rare case of sciatic schwannoma.

Naik T, Premkumar A, Naik CS, Abhishekh HA - Asian J Neurosurg (2015 Jul-Sep)

Intraoperative finding
© Copyright Policy - open-access
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC4553741&req=5

Figure 1: Intraoperative finding
Mentions: Surgical resection was performed [Figure 1]. A mass measuring 25 cm × 12 cm was observed arising from the sciatic nerve. Tumor was homogenously grayish white and fleshy with few cystic changes on gross appearance. Histopathology report revealed partly encapsulated benign fibrocellular neural lesion comprising Antony A and B areas. Cellular areas showed verrucous bodies. The cells were elongated with fibrillary cytoplasm. No nuclear atypia or increased mitotic figures was observable. There was a good number of hyalinized vessels [Figure 2]. Thus, diagnosis of schwannoma was made. Patient recovered without any neurological deficits after surgery.

View Article: PubMed Central - PubMed

Affiliation: Department of Surgery, Bangalore Medical College and Research Institute, Bangalore, India.

AUTOMATICALLY GENERATED EXCERPT
Please rate it.

Schwannomas are tumors arising from Schwann cells of nerve sheath... Isolated sciatic schwannomas are rare entities described in literature... A 26-year-old male presented with swelling in the left gluteal region since 15 years... Smooth surface and round border was made out... Skin over the swelling was normal... There was no local rise of temperature... Soft tissue scan revealed well-defined multilobulated collection with internal echoes, septations, and few cystic areas, thus suggesting inconclusive complex organized collections... Magnetic resonance imaging (MRI) showed contiguous soft tissue lesions, few showing cystic changes in left gluteal and posterior thigh region in inter-muscular plane... Surgical resection was performed [Figure 1]... Though rare, schwannomas can cause sciatica... It is important to consider this condition in the differential diagnosis of sciatica... From prognostic point of view, schwannomas have excellent recovery than sarcomas... In general surgical practice, it is common to consider lipoma as one among the differential diagnoses in gluteal region swelling... General surgeons should be aware that if they receive this kind of case, schwannoma should be considered in the differential diagnosis and extirpation should be done carefully without damaging the nerve.

No MeSH data available.


Related in: MedlinePlus