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Ushigome S, Shimoda T, Nikaido T, Nakamori K, Miyazawa Y, Shishikura A, Takakuwa T, Ubayama Y, Spjut HJ. Primitive Neuroectodermal Tumors of Bone and Soft Tissue. Pathol Int 2008. [DOI: 10.1111/j.1440-1827.1992.tb03093.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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2
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Kuroda M, Urano M, Abe M, Mizoguchi Y, Horibe Y, Murakami M, Tashiro K, Kasahara M. Primary primitive neuroectodermal tumor of the kidney. Pathol Int 2000; 50:967-72. [PMID: 11123763 DOI: 10.1046/j.1440-1827.2000.01147.x] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Primitive neuroectodermal tumor (PNET) is a small round cell sarcoma that mainly develops in the central nervous system and soft tissues of childhood; however recently, primary occurrence of this tumor in the kidney has been reported. We experienced one case of PNET primarily arose in the kidney without metastasis. The patient was a 28-year-old man whose chief complaint was abdominal pain, especially on exercise. On computed tomography scan and magnetic resonance imaging, a solid lesion was found in the left kidney, and a left nephrectomy was performed based on the diagnosis of a tumor in the left kidney. The tumor was within the parenchyma of lower end of left kidney protruding into the abdominal cavity. Histologically, diffuse proliferation of primitive small round cells with rosette formation was found. Immunohistochemically, MIC2 gene product, neuron-specific enolase and S-100 protein were positive. No metastasis to the regional lymph nodes was found. From these observations, the tumor was diagnosed as PNET primarily arising in the left kidney. Although chromosome analysis was not performed, EWS-FLI1 chimera gene was identified by reverse transcriptase-polymerase chain reaction on the freshly frozen specimen and fluorescence in situ hybridization on paraffin sections.
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Affiliation(s)
- M Kuroda
- Department of Pathology, Fujita Health University, School of Medicine, Aichi, Japan.
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3
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Sreekantaiah C. The cytogenetic and molecular characterization of benign and malignant soft tissue tumors. CYTOGENETICS AND CELL GENETICS 2000; 82:13-29. [PMID: 9763652 DOI: 10.1159/000015056] [Citation(s) in RCA: 21] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Cytogenetic analyses of benign and malignant soft tissue tumors have led to the description of recurrent, specific, and even pathognomonic chromosomal translocations and/or other rearrangements in most types of soft tissue tumors. The consistent karyotypic rearrangements have provided critical diagnostic information in this group of neoplasms that often presents significant diagnostic challenges to the clinician and the pathologist. These findings have also been instrumental in the characterization of the abnormalities at the molecular level. Novel genes have been isolated from the translocation junctions and the mechanisms of their deregulation identified. This has increased our understanding of the histogenesis of these tumors, paved the way for the molecular diagnosis of many sarcomas, aided in directing therapy, and also provided important prognostic information.
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Affiliation(s)
- C Sreekantaiah
- Department of Pathology, New York Medical College, Valhalla, NY, USA.
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4
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Halliday BE, Slagel DD, Elsheikh TE, Silverman JF. Diagnostic utility of MIC-2 immunocytochemical staining in the differential diagnosis of small blue cell tumors. Diagn Cytopathol 1998; 19:410-6. [PMID: 9839129 DOI: 10.1002/(sici)1097-0339(199812)19:6<410::aid-dc2>3.0.co;2-z] [Citation(s) in RCA: 42] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
Ewing's sarcoma (ES) and peripheral neuroectodermal tumor (PNET) are considered in the differential diagnosis of small round blue cell tumors of infancy and childhood which includes neuroblastoma, rhabdomyosarcoma and malignant lymphoma. Fine-needle aspiration diagnosis of these neoplasms can be particularly difficult when the neoplasms are composed of poorly differentiated cells or fail to produce a stroma. MIC-2 is a highly sensitive and specific marker for the PNET/ES group of neoplasms and has been studied extensively in surgical pathology. Other small blue cell neoplasms including rhabdomyosarcoma, blastemal Wilm's tumor, and lymphoblastic lymphoma have also shown positivity, but the staining reactions are usually weak and focal. The utility of this marker in the differential of small blue cell neoplasms in cytologic material has not been examined. Twenty cases of small blue cell neoplasms obtained by fine-needle aspiration (FNA) were studied. MIC-2 antibody was applied retrospectively to formalin-fixed cell block material and destained alcohol-fixed and air-dried cytologic preparations. These cases include primitive neuroectodermal tumor (five cases), Ewing's sarcoma (two cases), neuroblastoma (four cases), Wilms's tumor (four cases), lymphoblastic lymphoma (two cases), and small-cell carcinoma (three cases). The cases were judged positive when the majority of the cells showed cytoplasmic staining. Diffuse cytoplasmic staining was observed in all seven cases of PNET/ES. Staining could be seen on the destained air-dried smears (three cases), fixed smears (two cases), or the cell block material (two cases). None of the other 13 small blue cell neoplasms showed positive staining. We conclude that MIC-2 is a sensitive and specific marker for the PNET/ES group of neoplasms in specimens from formalin-fixed cell block, air-dried, and alcohol-fixed cytologic material and is useful in the differential diagnosis of small blue cell tumors.
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MESH Headings
- 12E7 Antigen
- Adolescent
- Adult
- Aged
- Animals
- Antigens, CD/analysis
- Carcinoma, Neuroendocrine/diagnosis
- Carcinoma, Neuroendocrine/pathology
- Cell Adhesion Molecules/analysis
- Child
- Child, Preschool
- Diagnosis, Differential
- Female
- Humans
- Immunoenzyme Techniques
- Infant
- Male
- Mice
- Middle Aged
- Neuroblastoma/diagnosis
- Neuroblastoma/pathology
- Neuroectodermal Tumors, Primitive, Peripheral/diagnosis
- Neuroectodermal Tumors, Primitive, Peripheral/pathology
- Precursor Cell Lymphoblastic Leukemia-Lymphoma/diagnosis
- Precursor Cell Lymphoblastic Leukemia-Lymphoma/pathology
- Sarcoma, Ewing/diagnosis
- Sarcoma, Ewing/pathology
- Staining and Labeling/methods
- Staining and Labeling/statistics & numerical data
- Wilms Tumor/diagnosis
- Wilms Tumor/pathology
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Affiliation(s)
- B E Halliday
- Department of Pathology and Laboratory Medicine, East Carolina University School of Medicine, Greenville, North Carolina, USA
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5
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Takeuchi T, Iwasaki H, Ohjimi Y, Kaneko Y, Ishiguro M, Fujita C, Miura Y, Hiratsuka Y, Sakamoto K, Kikuchi M. Renal primitive neuroectodermal tumor: an immunohistochemical and cytogenetic analysis. Pathol Int 1996; 46:292-7. [PMID: 8726854 DOI: 10.1111/j.1440-1827.1996.tb03613.x] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
The cytogenetic and morphologic characteristics of a case with a primitive neuroectodermal tumor (PNET) arising from the left kidney in a 22 year old man are presented. The patient was detected as having a left renal mass with a tumor embolus in the inferior vena cava and multiple pulmonary metastases. A radical nephrectomy with tumor embolectomy of the inferior vena cava, along with a resection of the pulmonary nodules were performed. Histologic examination revealed a dense proliferation of small round cells with many Homer-Wright type rosettes and perivascular pseudorosettes. Immunohistochemically, the tumor cells stained strongly positive for HBA71(p30/32MIC2), a surface glycoprotein specific to PNET and Ewing's sarcoma. In addition, the tumor cells expressed several neural markers (neuron specific enolase, neurofilament, synaptophysin, and Leu-7) and vimentin, while the epithelial, muscular, and lymphocytic markers were negative in the tumor cells. Cytogenetic analysis of cultured tumor cells showed a reciprocal translocation t(11;22)(q24;q12) that is considered to be specific to PNET and Ewing's sarcoma. In conclusion, this case suggested that a karyotyping analysis is a useful diagnostic tool for renal PNET, and it may therefore be utilized to help distinguish between difficult cases of small round cell tumors and Wilms' tumor of the kidney.
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Affiliation(s)
- T Takeuchi
- Department of Pathology, Fukuoka University, School of Medicine, Japan
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6
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Cordoba JC, Parham DM, Meyer WH, Douglass EC. A new cytogenetic finding in an epithelioid sarcoma, t(8;22)(q22;q11). CANCER GENETICS AND CYTOGENETICS 1994; 72:151-4. [PMID: 8143275 DOI: 10.1016/0165-4608(94)90132-5] [Citation(s) in RCA: 37] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
We report a new translocation t(8;22)(q22;q11) in a single case of epithelioid sarcoma. The band involved in chromosome 22 is the same found in 70-80% of the case of Ewing's sarcoma/peripheral neuroepithelioma (PNET) with cytogenetic characterization. The histologic characteristics of this tumor were typical for epithelioid sarcoma. Immunohistochemical stains were also entirely consistent with this diagnosis, including non-reactivity with P30/32MIC2, a specific marker for Ewing's sarcoma/primitive neuroepithelioma.
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Affiliation(s)
- J C Cordoba
- Department of Hematology/Oncology, St. Jude Children's Research Hospital, Memphis, Tennessee
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7
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Pearson JM, Harris M, Eyden BP, Banerjee SS. Divergent differentiation in small round-cell tumours of the soft tissues with neural features--an analysis of 10 cases. Histopathology 1993; 23:1-9. [PMID: 8396064 DOI: 10.1111/j.1365-2559.1993.tb01177.x] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
A series of 10 small round-cell tumours, having in common evidence of neural differentiation, were investigated by immunohistochemistry and electronmicroscopy. In seven, evidence of divergent muscle and/or epithelial differentiation was found. This phenomenon thus appears more common than previously appreciated and suggests that there may be a continuous and overlapping phenotypic spectrum from Ewing's tumour of soft tissue to intra-abdominal desmoplastic small cell tumour.
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Affiliation(s)
- J M Pearson
- Department of Histopathology, Christie Hospital, Manchester, UK
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8
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Shishikura A, Ushigome S, Shimoda T. Primitive neuroectodermal tumors of bone and soft tissue: histological subclassification and clinicopathologic correlations. ACTA PATHOLOGICA JAPONICA 1993; 43:176-86. [PMID: 8388151 DOI: 10.1111/j.1440-1827.1993.tb01129.x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
Recent reports of Ewing's sarcoma (EW) and extraskeletal Ewing's sarcoma (EEW) support the hypothesis that these tumors are neuroectodermal in origin. Primitive neuroectodermal tumors (PNET) of bone (32 cases) and soft tissue (25 cases) including those previously categorized as EW in 27 cases and EEW in 15 cases were carefully studied histologically, immunocytochemically and morphometrically, focusing on tumor cell differentiation. This study attempts to subclassify these tumors on the basis of the size of tumor cells and nuclei, their variations (uniformity or diversity), arrangement of tumor cells (rosette or non-rosette), focal differentiation to larger ganglion-like cells, and staining intensity for neural markers. All tumors were histologically subclassified as small, medium or large cell types, three basic subtypes (rosette type, abortive rosette type, non-rosette type) and four complementary subtypes (fibrillary type, non-fibrillary type, angiomatoid type, ganglion cell type). Classic EW or EEW is consistent with small or medium, non-rosette, non-fibrillary type tumors, previously described large cell EW with large, non-rosette, fibrillary or non-fibrillary type tumors, and classic neuroectodermal tumor with small or medium, rosette, fibrillary type tumors, according to the present subclassification. Clinicopathologic correlations with the different subtypes are discussed. Long-term survival, more than 5 years, was seen in patients with small cell type, and those younger than 14 years of age.
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Affiliation(s)
- A Shishikura
- Department of Pathology, Jikei University School of Medicine, Tokyo, Japan
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9
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Füzesi L, Heller R, Schreiber H, Mertens R. Cytogenetics of Askin's tumour. Case report and review of the literature. Pathol Res Pract 1993; 189:235-41; discussion 241-4. [PMID: 8321753 DOI: 10.1016/s0344-0338(11)80104-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
The eleventh cytogenetically analyzed Askin's tumour, diagnosed in a two-year-old girl, is reported. Chromosomal analysis revealed a pseudodiploid karyotype of tumour cells with translocations of t(11;22)(q24;q12) and der(4)t(2;4)(q24;q35). The observed t(11;22)(q24;q12) is not only a unique characteristic of all cytogenetically analyzed Askin's tumours but it also occurs in 92-100% of peripheral neuroepithelioma and of Ewing's sarcoma, irrespective of its osseous or extraosseous localization. This genetical similarity further supports a nosological concept according to which Askin's tumour, Ewing's sarcoma and peripheral neuroepithelioma represent phenotypic variations of the same tumour, namely the peripheral primitive neuroectodermal tumour.
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Affiliation(s)
- L Füzesi
- Department of Pathology, Medical Faculty, Technical University of Aachen, FRG
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10
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Kees UR, Rudduck C, Ford J, Spagnolo D, Papadimitriou J, Willoughby ML, Garson OM. Two malignant peripheral primitive neuroepithelial tumor cell lines established from consecutive samples of one patient: characterization and cytogenetic analysis. Genes Chromosomes Cancer 1992; 4:195-204. [PMID: 1382559 DOI: 10.1002/gcc.2870040302] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
A 6-year-old girl presented with a tumor of the right shoulder involving bone, adjacent soft tissue, and regional lymph nodes. The conventional histologic diagnosis was ambiguous, initially suggesting lymphoma. After relapse on lymphoma therapy, reevaluation with additional multiple diagnostic techniques performed on the biopsy tissue and on two cell lines derived from the biopsies established the diagnosis of a primitive neuroepithelial tumor of bone and soft tissue. This was strongly supported by 1) focal rosette formation by the tumor cells and positive immunostaining for neuron-specific enolase and synaptophysin, with absent staining for leukocyte common antigen; 2) at the ultrastructural level, formation of cellular processes containing microtubules, a paucity of neurosecretory granules, absence of synaptic junctions, formation of long "intermediate" junctions between cells, and, in culture, widespread development of rosettes; 3) marked surface positivity to W 6/32 and negativity to HSAN 1.2 antibodies; and 4) elevated expression of MYC and lack of overexpression of MYCN oncogenes. Numerical and structural abnormalities were present in the karyotype, but the expected t(11;22)(q24;q12) was not present in the tumor-involved marrow or in either of the established tumor cell lines, although there was an interstitial deletion of 11q involving breakpoints in q21 and q23.
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Affiliation(s)
- U R Kees
- Children's Leukaemia and Cancer Research Unit, Western Australian Research Institute for Child Health, Princess Margaret Hospital, Perth
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11
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VanDevanter DR, George D, McNutt MA, Vogel A, Luthardt F. Trisomy 8 in primary esthesioneuroblastoma. CANCER GENETICS AND CYTOGENETICS 1991; 57:133-6. [PMID: 1756479 DOI: 10.1016/0165-4608(91)90198-4] [Citation(s) in RCA: 28] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Esthesioneuroblastoma is a rare malignancy believed to be derived from neuroectodermal stem cells within the olfactory epithelium. We have obtained the karyotype of a primary esthesioneuroblastoma following brief (7-day) in vitro culture, and have determined that the only observable cytogenetic anomaly is the presence of an additional chromosome 8. Previously, the karyotypes of two cell lines established from metastatic esthesioneuroblastomas have been reported to contain the equivalent of three copies of chromosome 8, in addition to other chromosomal aberrations, including the reciprocal translocation, t(11;22)(q24;q12). Examination of the cytogenetic literature suggests that an extra copy of chromosome 8 is a common occurrence in undifferentiated small round cell tumors frequently observed to carry the t(11;22), including esthesioneuroblastoma, Ewing's sarcoma, peripheral neuroepithelioma, Askin's tumor, and rhabdomyosarcoma. These data, combined with our report of a small round cell tumor with the karyotype 47,XY, +8, indicate that trisomy 8 may be a common phenomenon in these tumors, and may also provide some sort of selective advantage to these tumor types.
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Affiliation(s)
- D R VanDevanter
- Clinical Research Division, Swedish Hospital Medical Center, Seattle, WA 98104
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12
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Donner LR. Cytogenetics and molecular biology of small round-cell tumors and related neoplasms. Current status. CANCER GENETICS AND CYTOGENETICS 1991; 54:1-10. [PMID: 2065303 DOI: 10.1016/0165-4608(91)90023-n] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Recent years have witnessed considerable advances in cytogenetics and molecular biology of small round-cell tumors. These advances are summarized and discussed in this article.
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Affiliation(s)
- L R Donner
- Department of Pathology, Scott and White Clinic, Temple, Texas
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13
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14
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Gorman PA, Malone M, Pritchard J, Sheer D. Cytogenetic analysis of primitive neuroectodermal tumors. Absence of the t(11;22) in two of three cases and a review of the literature. CANCER GENETICS AND CYTOGENETICS 1991; 51:13-22. [PMID: 1984841 DOI: 10.1016/0165-4608(91)90003-d] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Cytogenetic analyses on direct and short-term cultures from three peripheral primitive neuroectodermal tumors (PNET) showed only one tumor with the t(11;22)(q24;q12), a translocation reported as characteristic of this tumor type. A second tumor contained rearrangements including apparent deletions of chromosomes 11 and 22 between bands 11q21 and 11qter and between bands 22q11.2 and 22qter, respectively. A third tumor contained two normal copies of 11q but appeared to be monosomic for 22. We consider these findings in light of a survey of the PNET literature.
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Affiliation(s)
- P A Gorman
- Imperial Cancer Research Fund, Lincoln's Inn Fields, London, England
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15
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Llombart-Bosch A, Carda C, Peydro-Olaya A, Noguera R, Perez-Bacete M, Pellin A, Boix J. Soft tissue Ewing's sarcoma. Characterization in established cultures and xenografts with evidence of a neuroectodermic phenotype. Cancer 1990; 66:2589-601. [PMID: 1701108 DOI: 10.1002/1097-0142(19901215)66:12<2589::aid-cncr2820661223>3.0.co;2-7] [Citation(s) in RCA: 44] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
This study characterizes the histogenesis of soft tissue Ewing's sarcoma (StEs) based upon an analysis of three tumors. Long-term cultured cell lines and nude mice xenografts were established from original neoplasms or from their metastases. Histologically they revealed a small round cell pattern without signs of differentiation. Several ultrastructural features of neural type were found; the same were also seen on culture cell lines. Moreover, immunohistochemical study for neural markers revealed the presence of HNK-1, NSE, LIRC-LON 36, S-100 protein, glial fibrillary acidic protein, neurofilaments (70 kilodaltons), and chromogranin; some of these markers were present only in the transplants. Cytokeratin was also seen. The translocation t(11;22)(q24;q12) was found in all three neoplasms together with other chromosomal abnormalities. N-myc RNA gave negative results whereas c-myc RNA was expressed. Therefore it may be postulated that StEs displays neuroectodermal features somewhat similar to those seen in peripheral neuroepithelioma as well as in atypical Ewing's sarcoma of bone.
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MESH Headings
- Adolescent
- Adult
- Animals
- Antigens, Differentiation/analysis
- CD57 Antigens
- Chromogranins/analysis
- Female
- Glial Fibrillary Acidic Protein/analysis
- Humans
- Intermediate Filament Proteins/analysis
- Karyotyping
- Male
- Membrane Proteins/analysis
- Mice
- Mice, Inbred BALB C
- Mice, Nude
- Neoplasm Transplantation
- Neoplasms, Germ Cell and Embryonal/chemistry
- Neoplasms, Germ Cell and Embryonal/genetics
- Neoplasms, Germ Cell and Embryonal/pathology
- Phosphopyruvate Hydratase/analysis
- Proto-Oncogene Proteins c-myc/analysis
- S100 Proteins/analysis
- Sarcoma, Ewing/chemistry
- Sarcoma, Ewing/genetics
- Sarcoma, Ewing/pathology
- Soft Tissue Neoplasms/chemistry
- Soft Tissue Neoplasms/genetics
- Soft Tissue Neoplasms/pathology
- Synaptophysin
- Tumor Cells, Cultured/chemistry
- Tumor Cells, Cultured/pathology
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Affiliation(s)
- A Llombart-Bosch
- Department of Pathology, Medical School, University of Valencia, Spain
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16
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Ladanyl M, Heinemann FS, Huvos AG, Rao PH, Chen QG, Jhanwar SC. Neural differentiation in small round cell tumors of bone and soft tissue with the translocation t(11;22)(q24;q12): an immunohistochemical study of 11 cases. Hum Pathol 1990; 21:1245-51. [PMID: 2174403 DOI: 10.1016/s0046-8177(06)80038-9] [Citation(s) in RCA: 68] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Clinical, cytogenetic, histopathologic, and immunohistochemical data were obtained in a series of 11 small round cell tumors (SRCT) of bone and soft tissue with the translocation t(11;22) (q24;q12). Ten cases were primary in bone, and one was of extraskeletal origin. According to conventional histopathologic criteria, 10 cases were Ewing's sarcomas (ES) and one was a peripheral neuroectodermal tumor (PNET). Besides the t(11;22), six cases had additional chromosomal aberrations, including trisomy 7 and partial trisomy for the long arm of chromosome 1, which have both been described as nonspecific secondary abnormalities often associated with tumor progression. The tumors were screened for neural differentiation with an antibody panel consisting of neuron-specific enolase, S100 protein, Leu-7, chromogranin, synaptophysin, and neurofilament. Three cases of ES were positive for S100 protein. The PNET and one case of ES were positive for neuron-specific enolase. All of the remaining immunohistochemical stains were negative. Hence, five of 11 SRCT of bone or soft tissue with the t(11;22) showed morphologic and/or immunohistochemical evidence of neural differentiation. In this limited series of cases, no cytogenetic or prognostic differences could be demonstrated between cases with and without a neural phenotype. Our results support the hypothesis that SRCT of bone of soft tissue with the t(11;22) form a single biologic entity displaying varying degrees of neuroectodermal differentiation. The clinical significance of additional cytogenetic abnormalities and of morphologic or immunohistochemical evidence of neural differentiation in this group of tumors needs to be further studied.
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Affiliation(s)
- M Ladanyl
- Department of Pathology, Memorial Sloan-Kettering Cancer Center, New York, NY 10021
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17
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Miozzo M, Sozzi G, Calderone C, Pilotti S, Lombardi L, Pierotti MA, Della Porta G. t(11;22) in three cases of peripheral neuroepithelioma. Genes Chromosomes Cancer 1990; 2:163-5. [PMID: 2278971 DOI: 10.1002/gcc.2870020213] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Short-term cultures of three cases of peripheral neuroepitheliomas were studied using G-banding technique. A t(11;22)(q24;q12) was recognized in all three tumors. The results strengthen the hypothesis of a common histogenesis for neuroepithelioma, Ewing's sarcoma, and the Askin tumor.
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Affiliation(s)
- M Miozzo
- Division of Experimental Oncology A, Istituto Nazionale per lo Studio e la Cura dei Tumori, Milan, Italy
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18
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Noguera R, Navarro S, Triche TJ. Translocation (11;22) in small cell osteosarcoma. CANCER GENETICS AND CYTOGENETICS 1990; 45:121-4. [PMID: 2302678 DOI: 10.1016/0165-4608(90)90074-k] [Citation(s) in RCA: 45] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- R Noguera
- Department of Pathology, Medical School, University of Valencia, Spain
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19
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Llombart-Bosch A, Terrier-Lacombe MJ, Peydro-Olaya A, Contesso G. Peripheral neuroectodermal sarcoma of soft tissue (peripheral neuroepithelioma): a pathologic study of ten cases with differential diagnosis regarding other small, round-cell sarcomas. Hum Pathol 1989; 20:273-80. [PMID: 2656493 DOI: 10.1016/0046-8177(89)90136-6] [Citation(s) in RCA: 70] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Peripheral neuroepithelioma of soft tissue belongs to the group of peripheral neuroectodermal tumors (PNETs), but because of its clinical, biological, and morphological characteristics, it differs from other small, round-cell sarcomas that appear in children (neuroblastoma) or in the thoracopulmonary region (Askin's tumor) and bone (peripheral neuroectodermal sarcoma of bone). We report ten new cases of such PNET variety, based on their histologic, immunohistochemical, and electron microscopic findings. In all of these cases, the clinicopathologic correlations demonstrated high malignancy, with an ominous outcome in nine cases. The mean age of the patients was 32.6 years and there was a clear male predominance (eight men, two women). Histologically, the presence of Homer-Wright rosettes is mandatory for diagnosis, being complemented with positive immunohistochemistry for several neural immunomarkers using paraffin-embedded material. Neuron-specific enolase, E-36, HNK-1, and chromogranin neural markers proved to be positive in a high number of cases, but other markers (S-100 protein, synapto-physin, GFA protein, and neurofilaments [70 kilodalton]) were absent. Electron microscopy confirmed the presence of neural structures, both by scanning and transmission electron microscopy.
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MESH Headings
- Adolescent
- Adult
- Aged
- Child
- Diagnosis, Differential
- Female
- Follow-Up Studies
- Humans
- Immunoenzyme Techniques
- Immunohistochemistry
- Male
- Microscopy, Electron
- Microscopy, Electron, Scanning
- Middle Aged
- Neuroectodermal Tumors, Primitive, Peripheral/diagnosis
- Neuroectodermal Tumors, Primitive, Peripheral/pathology
- Neuroectodermal Tumors, Primitive, Peripheral/ultrastructure
- Sarcoma/diagnosis
- Sarcoma/pathology
- Sarcoma/ultrastructure
- Sex Factors
- Soft Tissue Neoplasms/diagnosis
- Soft Tissue Neoplasms/pathology
- Soft Tissue Neoplasms/ultrastructure
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Affiliation(s)
- A Llombart-Bosch
- Department of Pathology, University of Valencia Medical School, Spain
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