2014
DOI: 10.7243/2055-091x-1-14
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Retroperitoneal cellular schwannoma (CS): a potential pitfall of malignancy. Report of a case and review of the literature

Abstract: Cellular Schwannoma (CS) is a well-recognized morphological variant of schwannoma, which has been reported in many usual and unusual sites. We herein report a rare case of a bulky, retroperitoneal cellular schwannoma showing challenging radiological and morphological features. Due to large size and ill-defined margins at CT examination a malignant soft tissue tumor (sarcoma) was suggested. At histological examination high cellularity and co-existence of several growth patterns, such as fascicular, storiform an… Show more

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Cited by 2 publications
(5 citation statements)
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“…The surgical specimen was submitted for histological examination in neutral-buffered 10% formalin, dehydrated using standard techniques, embedded in paraffin, cut to 5 μm, and stained with hematoxylin and eosin as previously described [10][11][12]. Immunohistochemical analyses were performed using the standard streptavidin-biotin labeling technique (LSAB kit-Dako, Glostrup, Denmark) as previously described [10][11][12].…”
Section: Methodsmentioning
confidence: 99%
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“…The surgical specimen was submitted for histological examination in neutral-buffered 10% formalin, dehydrated using standard techniques, embedded in paraffin, cut to 5 μm, and stained with hematoxylin and eosin as previously described [10][11][12]. Immunohistochemical analyses were performed using the standard streptavidin-biotin labeling technique (LSAB kit-Dako, Glostrup, Denmark) as previously described [10][11][12].…”
Section: Methodsmentioning
confidence: 99%
“…Immunohistochemical analyses were performed using the standard streptavidin-biotin labeling technique (LSAB kit-Dako, Glostrup, Denmark) as previously described [10][11][12]. The following antibodies were tested: CD34, CD10 and S-100 protein (all from DakoCytomation, Glostrup, Denmark).…”
Section: Methodsmentioning
confidence: 99%
“…Sellüler schwannomalar (SS) bütün schwannoma olgularının yaklaşık %5'ini oluşturur 3 . Klinik görüntü ile birlikte fasiküler patern, yüksek sellülarite ve mitotik aktivite varlığı bazı vakalarda yanlış değerlendirme sonucu malign olarak tanı alabilir 4 . Bu yüzden SS diye bir antitenin varlığının akılda tutulması histopatolojik özelliklerinin bilinmesi olası yanlış tanı ve gereksiz tedavileri önlemek açısından önemlidir.…”
unclassified
“…Plevra, akciğer, pelvis ve gastrointestinal sistemde de bulunabilir. Özellikle beşinci ve sekizinci olmak üzere kranial sinirler de tutulabilir4 . Lungo ve arkadaşlarına göre bütün SS'ın yaklaşık dörtte biri ekstremitelerin derin yumuşak dokularından gelişir.…”
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