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Sahoo N, Ghosh U, Mohapatra D, Dehuri P. Categorizing Malignant Small Round Cell Tumors in Aspiration Cytology: An Institutional Experience. J Microsc Ultrastruct 2024; 12:27-34. [PMID: 38633566 PMCID: PMC11019590 DOI: 10.4103/jmau.jmau_66_21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2021] [Revised: 12/30/2021] [Accepted: 01/21/2022] [Indexed: 12/03/2022] Open
Abstract
Aim and Objectives The study aims to categorize malignant small round cell tumors (MSRCTs) originating in various sites of the body with the objective of utilization of cytomorphological features and ancillary techniques. Study Design It is a cross-sectional study conducted over a time span of 3 years (2017-2020). 33 cases of tumors with round cell morphology were evaluated by fine needle aspiration cytology (FNAC). Materials and Methods The application of cell block preparation supported by immunohistochemistry aided in the categorization of 23 cases with definite diagnosis and the rest were reported as MSRCTs. Results Among the categorized 23/33 cases, the most common diagnosis was Ewing's sarcoma (7/23) followed by 6 cases of lymphoma. There were 2 cases each of rhabdomyosarcoma and Langerhans cell histiocytosis (LCH) and 1 case each of neuroblastoma, desmoplastic small round cell tumor (DSRCT), myeloid sarcoma, neuroendocrine tumor of pancreas, plasmacytoma, and small cell carcinoma. Histopathology confirmation was available in 24/33 cases. Among the categorized tumors (23/33), biopsy correlation was available in 19 cases, of which concordant result was seen in 17 cases (89.47%), which were 6 cases of lymphoma, 5 cases of Ewing's sarcoma (EWS), 2 of rhabdomyosarcoma, and 1 each of neuroblastoma, small cell carcinoma, DSRCT, and LCH. Discordant result was seen in one case of rhabdomyosarcoma and a case of synovial sarcoma reported as extraskeletal EWS in cytology. Out of the uncategorized cases reported as MSRTCs, histopathology was available in 5 cases which were diagnosed as rhabdomyosarcoma (1 cases), lymphoma (1 case), amelanotic melanoma (1 case), and extraskeletal EWS (2 cases). Conclusion Categorization of MSRCTs should be done to implement appropriate therapeutic protocol. FNAC provides a rapid diagnosis contributing immensely for the timely management of the patient. Detailed cytomorphological evaluation serves as a guide for further evaluation by ancillary techniques leading to definitive diagnosis.
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Affiliation(s)
- Nibedita Sahoo
- Department of Pathology, Institute of Medical Sciences and SUM Hospital, Bhubaneswar, Odisha, India
| | - Urvashi Ghosh
- Department of Pathology, Institute of Medical Sciences and SUM Hospital, Bhubaneswar, Odisha, India
| | - Debahuti Mohapatra
- Department of Pathology, Institute of Medical Sciences and SUM Hospital, Bhubaneswar, Odisha, India
| | - Priyadarshini Dehuri
- Department of Pathology, Institute of Medical Sciences and SUM Hospital, Bhubaneswar, Odisha, India
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Bhardwaj N, Rohilla M, Trehan A, Bansal D, Kakkar N, Srinivasan R. MYCN amplification and International Neuroblastoma Risk Group stratification on fine-needle aspiration biopsy and their correlation to survival in neuroblastoma. J Clin Pathol 2023; 76:599-605. [PMID: 35414524 DOI: 10.1136/jclinpath-2022-208177] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Accepted: 03/25/2022] [Indexed: 11/03/2022]
Abstract
AIMS Risk stratification as per the International Neuroblastoma Risk Group (INRG) stratification is important for management of neuroblastoma. INRG incorporates various parameters including histological category as per the International Neuroblastoma Pathology Classification (INPC) and MYCN amplification, which were evaluated in fine needle aspiration biopsy (FNAB) samples of neuroblastoma patients to ascertain their impact in our population. METHODS This was a retrospective study including 60 neuroblastoma cases diagnosed on FNAB, staged and stratified by INRG. Mitosis Karyorrhexis Index (MKI), INPC morphological category and MYCN status by fluorescence in situ hybridisation (n=46) were evaluated and correlated to outcome. RESULTS The mean age was 29 months (21 days to 9 years) with 27 and 33 children ≥18 months; male: female ratio of 1.6: 1; INRG stage-30(M), 20(L2), 2(L1) and 2(MS); INRG-36 high-risk, 13 intermediate-risk and 11 low-risk categories, respectively. MKI was high, intermediate and low in 39, 4 and 7 cases, respectively. INPC morphological type included 2 ganglioneuroblastomas and 58 neuroblastomas, graded further as 25 undifferentiated and 33 poorly differentiated tumours. MYCN was amplified in 48% (22/46) cases and correlated with undifferentiated morphology (p=0.01). At a mean follow-up of 469 (7-835) days, 22/50 were disease free and 28/50 had relapsed/died. The overall survival correlated with age (p=0.03), stage (p=0.01), INRG group (p=0.0001) and tumour grade (p=0.036). MYCN status independently did not correlate with age (p=0.5), INRG stage (p=0.2) and overall survival (p=0.4). CONCLUSION FNAB is a complete modality for diagnosing neuroblastoma and providing all information required for risk stratification as per INRG including MKI, MYCN amplification, INPC category. Our cohort with predominant high-risk neuroblastoma cases highlights regional variation.
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Affiliation(s)
- Neha Bhardwaj
- Pathology, Post Graduate Institute of Medical Education and Research, Chandigarh, India
| | - Manish Rohilla
- Cytology & Gynecological Pathology, Post Graduate Institute of Medical Education and Research, Chandigarh, India
| | - Amita Trehan
- Department of Pediatrics (Hematology-Oncology Division), Post Graduate Institute of Medical Education and Research, Chandigarh, India
| | - Deepak Bansal
- Department of Pediatrics (Hematology-Oncology Division), Post Graduate Institute of Medical Education and Research, Chandigarh, India
| | - Nandita Kakkar
- Histopathology, Post Graduate Institute of Medical Education and Research, Chandigarh, India
| | - Radhika Srinivasan
- Cytology & Gynecological Pathology, Post Graduate Institute of Medical Education and Research, Chandigarh, India
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Rottmann D, Pantanowitz L. Approach to Fine Needle Aspiration of Giant Cell-rich Tumors of Soft Tissue. Adv Anat Pathol 2022; 29:401-411. [PMID: 35918292 DOI: 10.1097/pap.0000000000000359] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Giant cells may be found in a wide variety of reactive and neoplastic soft tissue lesions. Because of their distinct histomorphology, they often stand out in procured samples such as fine needle aspirates. The giant cells themselves may be benign or neoplastic. However, the presence, type, and quantity of giant cells are usually not specific and in some cases can even be misleading when making a diagnosis. The aim of this review is to guide the practicing cytopathologist in narrowing their differential diagnosis when encountering one of these challenging giant cell-rich lesions of the soft tissue.
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Prediction for Mitosis-Karyorrhexis Index Status of Pediatric Neuroblastoma via Machine Learning Based 18F-FDG PET/CT Radiomics. Diagnostics (Basel) 2022; 12:diagnostics12020262. [PMID: 35204353 PMCID: PMC8871335 DOI: 10.3390/diagnostics12020262] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Revised: 01/07/2022] [Accepted: 01/08/2022] [Indexed: 12/23/2022] Open
Abstract
Accurate differentiation of intermediate/high mitosis-karyorrhexis index (MKI) from low MKI is vital for the further management of neuroblastoma. The purpose of this research was to investigate the efficacy of 18F-FDG PET/CT–based radiomics features for the prediction of MKI status of pediatric neuroblastoma via machine learning. A total of 102 pediatric neuroblastoma patients were retrospectively enrolled and divided into training (68 patients) and validation sets (34 patients) in a 2:1 ratio. Clinical characteristics and radiomics features were extracted by XGBoost algorithm and were used to establish radiomics and clinical models for MKI status prediction. A combined model was developed, encompassing clinical characteristics and radiomics features and presented as a radiomics nomogram. The predictive performance of the models was evaluated by AUC and decision curve analysis. The radiomics model yielded AUC of 0.982 (95% CI: 0.916, 0.999) and 0.955 (95% CI: 0.823, 0.997) in the training and validation sets, respectively. The clinical model yielded AUC of 0.746 and 0.670 in the training and validation sets, respectively. The combined model demonstrated AUC of 0.988 (95% CI: 0.924, 1.000) and 0.951 (95% CI: 0.818, 0.996) in the training and validation sets, respectively. The radiomics features could non-invasively predict MKI status of pediatric neuroblastoma with high accuracy.
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Bhardwaj N, Rohilla M, Trehan A, Bansal D, Kakkar N, Srinivasan R. Mitosis-Karyorrhexis Index evaluation by digital image visual analysis for application of International Neuroblastoma Pathology Classification in FNA biopsy. Cancer Cytopathol 2021; 130:128-135. [PMID: 34633743 DOI: 10.1002/cncy.22520] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2021] [Revised: 08/26/2021] [Accepted: 09/15/2021] [Indexed: 12/15/2022]
Abstract
BACKGROUND The Mitosis-Karyorrhexis Index (MKI) score is important in neuroblastoma evaluation and in the application of the International Neuroblastoma Pathology Classification (INPC). Currently, it is not standardized for smears. Hence, the aim of this study was to devise and validate methods for MKI evaluation in fine-needle aspiration biopsy (FNAB) of neuroblastoma. METHODS A total of 50 cases of neuroblastoma diagnosed by FNAB from January 2017 to December 2019 were retrieved, and detailed cytomorphological evaluations were performed. The MKI was evaluated, and the eyeball visual assessment score (EVAS) was compared with the digital image visual analysis score (DIVAS) on cytology smears and corresponding histology sections of cell blocks. The interobserver reproducibility and concordance were calculated. INPC subtyping into favorable and unfavorable groups was performed by the collation of age, MKI, and cytomorphology and was correlated to clinical outcomes. RESULTS Neuroblastoma was categorized as undifferentiated (22 of 50) or poorly differentiated (28 of 50) on cytomorphology. The overall concordance for the MKI by 3 observers was 86% (κ = 0.85), and this increased to 98% in the high MKI category. MKI evaluations on smears showed 96% concordance with cell block histology, and the EVAS was concordant with the DIVAS in 86% of the cases. Overall, the MKI was high in 39 cases, intermediate in 4 cases, and low in 7 cases. The INPC category was unfavorable in 90% (n = 45) and favorable in 10% (n = 5) and had significant correlations with outcomes (P = .029). CONCLUSIONS An MKI assessment on smears by digital image visual analysis is accurate, reproducible, and objective and should be incorporated into the routine reporting of neuroblastoma FNAB for diagnostic schemas as per the INPC.
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Affiliation(s)
- Neha Bhardwaj
- Department of Cytology and Gynecological Pathology, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Manish Rohilla
- Department of Cytology and Gynecological Pathology, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Amita Trehan
- Hematology-Oncology Division, Department of Pediatrics, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Deepak Bansal
- Hematology-Oncology Division, Department of Pediatrics, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Nandita Kakkar
- Department of Histopathology, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Radhika Srinivasan
- Department of Cytology and Gynecological Pathology, Postgraduate Institute of Medical Education and Research, Chandigarh, India
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Behera G, Chhabra G, Mishra P, Sable M. Pediatric neuroblastic tumors: A critical evaluation of cytomorphological features for risk stratification on aspiration cytology. Diagn Cytopathol 2020; 48:464-474. [PMID: 32043835 DOI: 10.1002/dc.24389] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2019] [Revised: 01/03/2020] [Accepted: 01/13/2020] [Indexed: 12/12/2022]
Abstract
BACKGROUND Neuroblastic tumor (NT) is the most common extracranial solid tumor of childhood with variable outcome which again depends on risk stratification related to distinct biology of the tumor. The use of fine-needle aspiration (FNA) material for evaluation of cytomorphological parameters and risk stratification in NTs using cytology prognostic score (PS) is limited in routine practice. METHODS We reviewed 38 FNA cytology cases diagnosed as pediatric small round cell tumor between time period June 2017 to December 2019 for clinical, cytomorphological and immunohistochemical features. RESULTS Ten out of 38 small round cell tumors were NTs. All 10 cases were further subclassified according to International Neuroblastoma Pathology Classification into undifferentiated neuroblastoma (n = 1), poorly differentiated neuroblastoma (n = 5), differentiating neuroblastoma (n = 2), and ganglioneuroblastoma (n = 2). Cytologic PS was done using the morphological criteria as described previously in literature. The patients were divided into favorable and unfavorable cytomorphological prognostic categories with a cut off scoring of 12. A score of more than 12 is associated with high risk morphology and advanced stage. All cases with PS > 12 (n-4) (unfavorable cytomorphology) had a poor outcome compared to six patients with PS < 12 (n-6) (favorable cytomorphology). CONCLUSION Aspiration cytology can be used as a first line investigation to evaluate the cytomorphological features for risk stratification and diagnosis in patients with NTs using cytological prognostic scoring system. A larger multi-centric validation study necessitates for cytological risk stratification.
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Affiliation(s)
- Gayatri Behera
- Department of Pathology & Lab Medicine, All India Institute of Medical Sciences, Bhubaneswar, India
| | - Gaurav Chhabra
- Department of Pathology & Lab Medicine, All India Institute of Medical Sciences, Bhubaneswar, India
| | - Pritinanda Mishra
- Department of Pathology & Lab Medicine, All India Institute of Medical Sciences, Bhubaneswar, India
| | - Mukund Sable
- Department of Pathology & Lab Medicine, All India Institute of Medical Sciences, Bhubaneswar, India
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Yao PS, Chen GR, Shang-Guan HC, Lin QS, Wang XF, Zheng SF, Kang DZ. Adult hippocampal ganglioneuroblastoma: Case report and literature review. Medicine (Baltimore) 2017; 96:e8894. [PMID: 29390424 PMCID: PMC5758126 DOI: 10.1097/md.0000000000008894] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
RATIONALE Intracranial ganglioneuroblastoma represents a rare subtype of primitive neuroectodermal tumor. Here, we report a hippocampal ganglioneuroblastoma and a literature review of cerebral anglioneuroblastoma is carried out. PATIENT CONCERNS We report a 16-year-old male patient presenting with absence seizure and high-infiltration hippocampal ganglioneuroblastoma. INTERVENTIONS Magnetic resonance imaging (MRI) indicates a space-occupying lesion with a well-defined margin in the right temporal lobe and hippocampus. However, hyper-signal on flair and diffusion-weighted imaging (DWI) with a low apparent diffusion coefficient (ADC) value is detected, which prompts high tumoral invasiveness. INTERVENTIONS A total resection of tumor and subsequent chemotherapy combing with radiotherapy is performed. OUTCOMES For a follow-up period of 60 months, no evidence of recurrence and further seizures are detected. LESSONS High-infiltration hippocampal ganglioneuroblastoma is a rare event. MRI examination often showed features of low-grade gliomas, while hyper-signal lesion on DWI with a low ADC value can be detected. Complete resection combined with fractionated radiotherapy and chemotherapy was the optimal treatment for cerebral ganglioneuroblastoma.
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Affiliation(s)
| | | | | | | | - Xing-Fu Wang
- Department of Pathology, the First Affiliated Hospital of Fujian Medical University, Fuzhou, China
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Klijanienko J, Caly M, Frénaux P, Klos J. GATA3 differential expression in neuroblastoma and nephroblastoma. Cancer Cytopathol 2017; 126:215-216. [PMID: 29131553 DOI: 10.1002/cncy.21952] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2017] [Revised: 10/04/2017] [Accepted: 10/13/2017] [Indexed: 11/06/2022]
Affiliation(s)
| | - Martial Caly
- Department of Pathology, Curie Institute, Paris, France
| | - Paul Frénaux
- Department of Pathology, Curie Institute, Paris, France
| | - Jan Klos
- Department of Pathology, Stavanger University Hospital, Stavanger, Norway
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Vlajnic T, Brisse HJ, Aerts I, Fréneaux P, Cellier C, Fabre M, Klijanienko J. Fine needle aspiration in the diagnosis and classification of hepatoblastoma. Diagn Cytopathol 2016; 45:91-100. [DOI: 10.1002/dc.23642] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2016] [Accepted: 11/07/2016] [Indexed: 01/09/2023]
Affiliation(s)
- Tatjana Vlajnic
- Department of Pathology; Institut Curie; Paris France
- Institute of Pathology, University Hospital Basel; Basel Switzerland
| | | | - Isabelle Aerts
- Department of Pediatric oncology; Institut Curie; Paris France
| | - Paul Fréneaux
- Institute of Pathology, University Hospital Basel; Basel Switzerland
| | | | | | - Jerzy Klijanienko
- Institute of Pathology, University Hospital Basel; Basel Switzerland
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Costa J, Klijanienko J, Desjardins L, Cassoux N, Machet MC, Pacquement H. Fine needle aspiration in intraocular metastasis from pleuropulmonary blastoma. A case report and a review of the literature. Diagn Cytopathol 2016; 45:156-160. [PMID: 27718333 DOI: 10.1002/dc.23618] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2016] [Accepted: 09/03/2016] [Indexed: 11/09/2022]
Abstract
Pleuropulmonary blastoma (PPB) is a rare primitive intrathoracic malignant neoplasm that occurs almost exclusively in children and adolescents. PPB is classified into three types according to the presence of cystic and solid areas. We report a case of PPB with an intraocular metastasis diagnosed by fine needle aspiration (FNA): 3-year-old female was treated for type II PPB by neoadjuvant chemotherapy and surgery. Four years later, she presented with an intraocular lesion. To differentiate between metastasis or other malignancy, a transcleral FNA was performed and showed two cellular populations represented by roundish malignant cells and spindle-shaped cells. The patient was treated with chemotherapy and diode laser ablation. A year later, the patient had enucleation and rare residual cells were found on the histological specimen. Patient remains disease-free 66 months after the last surgical treatment. Diagn. Cytopathol. 2017;45:156-160. © 2016 Wiley Periodicals, Inc.
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Klijanienko J, Pierron G, Sastre-Garau X, Theocharis S. Value of combined cytology and molecular information in the diagnosis of soft tissue tumors. Cancer Cytopathol 2014; 123:141-51. [DOI: 10.1002/cncy.21496] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2014] [Revised: 10/17/2014] [Accepted: 10/27/2014] [Indexed: 12/16/2022]
Affiliation(s)
| | - Gaelle Pierron
- Department of Tumor Biology; Curie Institute; Paris France
| | | | - Stamatios Theocharis
- Department of Tumor Biology; Curie Institute; Paris France
- First Department, Department of Pathology; Medical School; University of Athens; Athens Greece
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Klijanienko J, Colin P, Couturier J, Lagacé R, Fréneaux P, Pierron G, Laé M, Klijanienko A, Brisse H, Orbach D, Theocharis S. Fine-needle aspiration in desmoplastic small round cell tumor: a report of 10 new tumors in 8 patients with clinicopathological and molecular correlations with review of the literature. Cancer Cytopathol 2014; 122:386-93. [PMID: 24639098 DOI: 10.1002/cncy.21415] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2014] [Revised: 02/10/2014] [Accepted: 02/11/2014] [Indexed: 12/12/2022]
Abstract
BACKGROUND Desmoplastic small round cell tumor (DSRCT) is a rare round cell sarcoma entity characterized by a specific t(11;22)(p13;q12) translocation, usually intra-abdominal localization and an aggressive clinical outcome. To date, only 35 DSRCT cases diagnosed by fine-needle aspiration have been described. METHODS This study reports the cytological diagnosis of DSRCT. Ten tumors from 8 patients were sampled for diagnosis and analyzed to search the characteristic translocation using fluorescence in situ hybridization or reverse transcription polymerase chain reaction methods. RESULTS Smears were always hypercellular and consisted of nonspecific round cell sarcoma. Nuclei were polymorphic round, kidney-, or heart-shaped. Nuclear molding was usually present. Paranuclear cytoplasmic densities were obvious and noted in 7 cases. Cytonuclear atypia, mitotic figures, numerous crushed nuclei, and apoptosis were frequently seen. Purple-stained stroma was present in 8 cases (ranging from few connective tissue fragments to large hyalinized deposits). Molecular studies based on cytological aspirates were performed in 8 patients. The presence of the fusion gene EWSR1-WT 1 transcript was identified in all, which confirmed the diagnosis of DSRCT. CONCLUSIONS Smears showing poorly differentiated round cells associated with cytoplasmic densities and connective stoma, in a specific clinical context, young adult age, intra-abdominal localization, suggestive immunocytochemical profile, and a unique cytogenetic abnormality are highly specific and allow an accurate diagnosis of DSRCT.
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Fassina A, Klijanienko J. Multidisciplinary and multimodal diagnostic approach in paediatric tumours combining fine needle aspiration, core needle biopsy and ancillary techniques. Cytopathology 2014; 25:3-5. [DOI: 10.1111/cyt.12130] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- A. Fassina
- Department of Medicine; Surgical Pathology and Cytopathology Unit; University of Padoua; Padoua Italy
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Fendler WP, Melzer HI, Walz C, von Schweinitz D, Coppenrath E, Schmid I, Bartenstein P, Pfluger T. High 123I-MIBG uptake in neuroblastic tumours indicates unfavourable histopathology. Eur J Nucl Med Mol Imaging 2013; 40:1701-10. [DOI: 10.1007/s00259-013-2491-y] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2013] [Accepted: 06/14/2013] [Indexed: 11/29/2022]
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