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Zając W, Dróżdż J, Kisielewska W, Karwowska W, Dudzisz-Śledź M, Zając AE, Borkowska A, Szumera-Ciećkiewicz A, Szostakowski B, Rutkowski P, Czarnecka AM. Dedifferentiated Chondrosarcoma from Molecular Pathology to Current Treatment and Clinical Trials. Cancers (Basel) 2023; 15:3924. [PMID: 37568740 PMCID: PMC10417069 DOI: 10.3390/cancers15153924] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2023] [Revised: 07/27/2023] [Accepted: 07/28/2023] [Indexed: 08/13/2023] Open
Abstract
Dedifferentiated chondrosarcoma (DDCS) is a rare subtype of chondrosarcoma, a primary cartilaginous malignant neoplasm. It accounts for up to 1-2% of all chondrosarcomas and is generally associated with one of the poorest prognoses among all chondrosarcomas with the highest risk of metastasis. The 5-year survival rates range from 7% to 24%. DDCS may develop at any age, but the average presentation age is over 50. The most common locations are the femur, pelvis humerus, scapula, rib, and tibia. The standard treatment for localised disease is surgical resection. Most patients are diagnosed in unresectable and advanced stages, and chemotherapy for localised and metastatic dedifferentiated DDCS follows protocols used for osteosarcoma.
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Affiliation(s)
- Weronika Zając
- Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska Curie National Research Institute of Oncology, 02-781 Warsaw, Poland (M.D.-Ś.); (A.E.Z.); (A.B.); (B.S.); (P.R.)
- Faculty of Medicine, Medical University of Warsaw, 02-091 Warsaw, Poland
| | - Julia Dróżdż
- Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska Curie National Research Institute of Oncology, 02-781 Warsaw, Poland (M.D.-Ś.); (A.E.Z.); (A.B.); (B.S.); (P.R.)
- Faculty of Medicine, Medical University of Warsaw, 02-091 Warsaw, Poland
| | - Weronika Kisielewska
- Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska Curie National Research Institute of Oncology, 02-781 Warsaw, Poland (M.D.-Ś.); (A.E.Z.); (A.B.); (B.S.); (P.R.)
- Faculty of Medicine, Medical University of Warsaw, 02-091 Warsaw, Poland
| | - Weronika Karwowska
- Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska Curie National Research Institute of Oncology, 02-781 Warsaw, Poland (M.D.-Ś.); (A.E.Z.); (A.B.); (B.S.); (P.R.)
- Faculty of Medicine, Medical University of Warsaw, 02-091 Warsaw, Poland
| | - Monika Dudzisz-Śledź
- Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska Curie National Research Institute of Oncology, 02-781 Warsaw, Poland (M.D.-Ś.); (A.E.Z.); (A.B.); (B.S.); (P.R.)
| | - Agnieszka E. Zając
- Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska Curie National Research Institute of Oncology, 02-781 Warsaw, Poland (M.D.-Ś.); (A.E.Z.); (A.B.); (B.S.); (P.R.)
| | - Aneta Borkowska
- Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska Curie National Research Institute of Oncology, 02-781 Warsaw, Poland (M.D.-Ś.); (A.E.Z.); (A.B.); (B.S.); (P.R.)
| | - Anna Szumera-Ciećkiewicz
- Department of Pathology, Maria Sklodowska Curie National Research Institute of Oncology, 02-781 Warsaw, Poland;
| | - Bartłomiej Szostakowski
- Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska Curie National Research Institute of Oncology, 02-781 Warsaw, Poland (M.D.-Ś.); (A.E.Z.); (A.B.); (B.S.); (P.R.)
| | - Piotr Rutkowski
- Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska Curie National Research Institute of Oncology, 02-781 Warsaw, Poland (M.D.-Ś.); (A.E.Z.); (A.B.); (B.S.); (P.R.)
| | - Anna M. Czarnecka
- Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska Curie National Research Institute of Oncology, 02-781 Warsaw, Poland (M.D.-Ś.); (A.E.Z.); (A.B.); (B.S.); (P.R.)
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Walter SG, Knöll P, Eysel P, Quaas A, Gaisendrees C, Nißler R, Hieggelke L. Molecular In-Depth Characterization of Chondrosarcoma for Current and Future Targeted Therapies. Cancers (Basel) 2023; 15:cancers15092556. [PMID: 37174021 PMCID: PMC10177611 DOI: 10.3390/cancers15092556] [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: 03/31/2023] [Revised: 04/25/2023] [Accepted: 04/26/2023] [Indexed: 05/15/2023] Open
Abstract
Chondrosarcoma (CHS) are heterogenous, but as a whole, represent the second most common primary malignant bone tumor entity. Although knowledge on tumor biology has grown exponentially during the past few decades, surgical resection remains the gold standard for the treatment of these tumors, while radiation and differentiated chemotherapy do not result in sufficient cancer control. An in-depth molecular characterization of CHS reveals significant differences compared to tumors of epithelial origin. Genetically, CHS are heterogenous, but there is no characteristic mutation defining CHS, and yet, IDH1 and IDH2 mutations are frequent. Hypovascularization, extracellular matrix composition of collagen, proteoglycans, and hyaluronan create a mechanical barrier for tumor suppressive immune cells. Comparatively low proliferation rates, MDR-1 expression and an acidic tumor microenvironment further limit therapeutic options in CHS. Future advances in CHS therapy depend on the further characterization of CHS, especially the tumor immune microenvironment, for improved and better targeted therapies.
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Affiliation(s)
- Sebastian Gottfried Walter
- Department for Orthopedic Surgery and Traumatology, University Hospital Cologne, Joseph-Stelzmann-Str. 24, 50931 Cologne, Germany
| | - Peter Knöll
- Department for Orthopedic Surgery and Traumatology, University Hospital Cologne, Joseph-Stelzmann-Str. 24, 50931 Cologne, Germany
| | - Peer Eysel
- Department for Orthopedic Surgery and Traumatology, University Hospital Cologne, Joseph-Stelzmann-Str. 24, 50931 Cologne, Germany
| | - Alexander Quaas
- Department for Pathology, University Hospital Cologne, Kerpener Str. 62, 50937 Cologne, Germany
| | - Christopher Gaisendrees
- Department for Cardiothoracic Surgery, University Hospital Cologne, Kerpener Str. 62, 50937 Cologne, Germany
| | - Robert Nißler
- Nanoparticle Systems Engineering Laboratory, Institute of Energy and Process Engineering (IEPE), Department of Mechanical and Process Engineering (D-MAVT), ETH Zurich, Sonneggstrasse 3, 8092 Zurich, Switzerland
| | - Lena Hieggelke
- Department for Pathology, University Hospital Cologne, Kerpener Str. 62, 50937 Cologne, Germany
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Gutiérrez-Zúñiga D, Martín H, Messa-Botero O, Sotomayor J, Linares F. Condrosarcoma de células claras en tibia proximal. Reporte de caso. CASE REPORTS 2021. [DOI: 10.15446/cr.v7n2.89300] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
Introducción. El condrosarcoma de células claras es un subtipo de tumor poco frecuente del grupo de los condrosarcomas de bajo grado. A diferencia de los condrosarcomas convencionales, estos tumores se presentan principalmente en epífisis de huesos largos. Dadas sus características líticas de aspecto quístico, pueden confundirse con quistes óseos, por lo que su diagnóstico debe hacerse por histopatología e inmunohistoquímica mediante biopsia. Igualmente, la negatividad para citoqueratinas y anticuerpos antiendomisio es una herramienta para descartar el diagnóstico diferencial de metástasis. Su tratamiento es quirúrgico, bien sea con manejo intralesional o resección completa con márgenes libres.
Presentación del caso. Mujer de 46 años quien consultó al servicio de ortopedia oncológica de una institución de IV nivel de atención por un cuadro clínico de 8 meses de evolución consistente en dolor en la cara medial de la rodilla izquierda a nivel de la tibia proximaluna. Se practicaron imágenes diagnósticas que mostraron una lesión quística en el platillo tibial lateral; se ordenó biopsia de la lesión, y mediante histopatología e inmunohistoquímica se diagnosticó condrosarcoma de células claras. Se realizó un manejo quirúrgico con resección de la lesión con márgenes libres y una reconstrucción del defecto óseo con un aloinjerto estructural de tibia proximal, con lo cual se obtuvo una evolución satisfactoria.
Conclusiones. Se presenta el caso de una paciente con un subtipo de condrosarcoma de bajo grado infrecuente en su presentación y localización, quien fue diagnosticada mediante inmunohistoquímica y tratada quirúrgicamente para lograr un salvamento exitoso de su extremidad.
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Traylor JI, Pernik MN, Plitt AR, Lim M, Garzon-Muvdi T. Immunotherapy for Chordoma and Chondrosarcoma: Current Evidence. Cancers (Basel) 2021; 13:2408. [PMID: 34067530 PMCID: PMC8156915 DOI: 10.3390/cancers13102408] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2021] [Revised: 05/10/2021] [Accepted: 05/12/2021] [Indexed: 12/21/2022] Open
Abstract
Chordomas and chondrosarcomas are rare but devastating neoplasms that are characterized by chemoradiation resistance. For both tumors, surgical resection is the cornerstone of management. Immunotherapy agents are increasingly improving outcomes in multiple cancer subtypes and are being explored in chordoma and chondrosarcoma alike. In chordoma, brachyury has been identified as a prominent biomarker and potential molecular immunotherapy target as well as PD-1 inhibition. While studies on immunotherapy in chondrosarcoma are sparse, there is emerging evidence and ongoing clinical trials for PD-1 as well as IDH inhibitors. This review highlights potential biomarkers and targets for immunotherapy in chordoma and chondrosarcoma, as well as current clinical evidence and ongoing trials.
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Affiliation(s)
- Jeffrey I. Traylor
- Department of Neurological Surgery, The University of Texas Southwestern Medical Center, Dallas, TX 75235, USA; (J.I.T.); (M.N.P.); (A.R.P.)
| | - Mark N. Pernik
- Department of Neurological Surgery, The University of Texas Southwestern Medical Center, Dallas, TX 75235, USA; (J.I.T.); (M.N.P.); (A.R.P.)
| | - Aaron R. Plitt
- Department of Neurological Surgery, The University of Texas Southwestern Medical Center, Dallas, TX 75235, USA; (J.I.T.); (M.N.P.); (A.R.P.)
| | - Michael Lim
- Department of Neurosurgery, Stanford University Medical Center, Stanford, CA 94305, USA;
| | - Tomas Garzon-Muvdi
- Department of Neurological Surgery, The University of Texas Southwestern Medical Center, Dallas, TX 75235, USA; (J.I.T.); (M.N.P.); (A.R.P.)
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Zając AE, Kopeć S, Szostakowski B, Spałek MJ, Fiedorowicz M, Bylina E, Filipowicz P, Szumera-Ciećkiewicz A, Tysarowski A, Czarnecka AM, Rutkowski P. Chondrosarcoma-from Molecular Pathology to Novel Therapies. Cancers (Basel) 2021; 13:2390. [PMID: 34069269 PMCID: PMC8155983 DOI: 10.3390/cancers13102390] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2021] [Revised: 05/01/2021] [Accepted: 05/04/2021] [Indexed: 12/16/2022] Open
Abstract
Chondrosarcoma (CHS) is the second most common primary malignant bone sarcoma. Overall survival and prognosis of this tumor are various and often extreme, depending on histological grade and tumor subtype. CHS treatment is difficult, and surgery remains still the gold standard due to the resistance of this tumor to other therapeutic options. Considering the role of differentiation of CHS subtypes and the need to develop new treatment strategies, in this review, we introduced a multidisciplinary characterization of CHS from its pathology to therapies. We described the morphology of each subtype with the role of immunohistochemical markers in diagnostics of CHS. We also summarized the most frequently mutated genes and genome regions with altered pathways involved in the pathology of this tumor. Subsequently, we discussed imaging methods and the role of currently used therapies, including surgery and the limitations of chemo and radiotherapy. Finally, in this review, we presented novel targeted therapies, including those at ongoing clinical trials, which can be a potential future target in designing new therapeutics for patients with CHS.
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Affiliation(s)
- Agnieszka E. Zając
- Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, 02-781 Warsaw, Poland; (A.E.Z.); (S.K.); (B.S.); (M.J.S.); (E.B.); (P.F.); (P.R.)
| | - Sylwia Kopeć
- Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, 02-781 Warsaw, Poland; (A.E.Z.); (S.K.); (B.S.); (M.J.S.); (E.B.); (P.F.); (P.R.)
| | - Bartłomiej Szostakowski
- Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, 02-781 Warsaw, Poland; (A.E.Z.); (S.K.); (B.S.); (M.J.S.); (E.B.); (P.F.); (P.R.)
| | - Mateusz J. Spałek
- Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, 02-781 Warsaw, Poland; (A.E.Z.); (S.K.); (B.S.); (M.J.S.); (E.B.); (P.F.); (P.R.)
| | - Michał Fiedorowicz
- Small Animal Magnetic Resonance Imaging Laboratory, Mossakowski Medical Research Institute, Polish Academy of Sciences, 02-106 Warsaw, Poland;
| | - Elżbieta Bylina
- Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, 02-781 Warsaw, Poland; (A.E.Z.); (S.K.); (B.S.); (M.J.S.); (E.B.); (P.F.); (P.R.)
- Department of Clinical Trials, Maria Sklodowska-Curie National Research Institute of Oncology, 02-781 Warsaw, Poland
| | - Paulina Filipowicz
- Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, 02-781 Warsaw, Poland; (A.E.Z.); (S.K.); (B.S.); (M.J.S.); (E.B.); (P.F.); (P.R.)
- Faculty of Medicine, Medical University of Warsaw, 02-091 Warsaw, Poland
| | - Anna Szumera-Ciećkiewicz
- Department of Pathology and Laboratory Diagnostics, Maria Sklodowska-Curie National Research Institute of Oncology, 02-781 Warsaw, Poland;
- Department of Diagnostic Hematology, Institute of Hematology and Transfusion Medicine, 02-776 Warsaw, Poland
| | - Andrzej Tysarowski
- Department of Pathology and Laboratory Medicine, Maria Sklodowska-Curie National Research Institute of Oncology, 02-781 Warsaw, Poland;
- Department of Molecular and Translational Oncology, Maria Sklodowska-Curie National Research Institute of Oncology, 02-781 Warsaw, Poland
| | - Anna M. Czarnecka
- Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, 02-781 Warsaw, Poland; (A.E.Z.); (S.K.); (B.S.); (M.J.S.); (E.B.); (P.F.); (P.R.)
| | - Piotr Rutkowski
- Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, 02-781 Warsaw, Poland; (A.E.Z.); (S.K.); (B.S.); (M.J.S.); (E.B.); (P.F.); (P.R.)
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Sharif B, Lindsay D, Saifuddin A. The role of imaging in differentiating low-grade and high-grade central chondral tumours. Eur J Radiol 2021; 137:109579. [PMID: 33578088 DOI: 10.1016/j.ejrad.2021.109579] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2020] [Revised: 01/23/2021] [Accepted: 01/31/2021] [Indexed: 12/16/2022]
Abstract
Chondrosarcoma is a malignant cartilage matrix-producing tumour. Those arising de novo are called primary chondrosarcomas and are the second commonest primary malignant bone tumours. Numerous types of primary chondrosarcoma exist, namely conventional central (intramedullary), periosteal (juxta-cortical), clear cell, mesenchymal, and dedifferentiated. The biologic aggressiveness, prognosis and thus management of chondrosarcoma are dependent on the histological sub-type and grade. Accurate pre-operative diagnosis is therefore essential in determining management and outcome which requires a multidisciplinary approach taking into account clinical features, imaging findings and histopathology. In this review, we present the pertinent multimodality imaging features which aid in the differentiation of low-grade and high-grade conventional central chondrosarcoma.
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Affiliation(s)
- Ban Sharif
- Imaging Department, Northwick Park Hospital, United Kingdom.
| | - Daniel Lindsay
- Pathology Department, Royal National Orthopaedic Hospital, United Kingdom
| | - Asif Saifuddin
- Imaging Department, Royal National Orthopaedic Hospital, United Kingdom
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Ikeda N, Yoshida T, Seki A, Nakamura M, Tanaka T, Ichikawa R, Nakahara J, Orihara K, Kobayashi M, Yamashita R, Shibutani M, Ueda T. Extraskeletal chondrosarcoma in the abdominal cavity of a cow. J Vet Med Sci 2019; 81:1749-1752. [PMID: 31645509 PMCID: PMC6943319 DOI: 10.1292/jvms.19-0203] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
A 25-month-old female crossbred cow presented with astasia, emaciation, and stunted growth. Macroscopic examination revealed a large mass in the abdominal cavity, approximately 100 × 30 × 30 cm. Microscopic examination revealed that the mass consisted of multilobular mature and immature cartilaginous matrices with chondrocytic cells, surrounded by spindle to pleomorphic mesenchymal tumor cells. The cartilaginous matrices consisted of hyaline and elastic cartilages, as confirmed with Azan stain, and Victoria Blue and Van Gieson stain. Immunohistochemistry revealed that the chondrocytic and mesenchymal cells both expressed S-100. The tumor was diagnosed as an extraskeletal chondrosarcoma in the abdominal cavity of this cow.
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Affiliation(s)
- Nami Ikeda
- Shibaura Meat Sanitary Inspection Center, Tokyo Metropolitan Government, 2-7-19 Konan, Minato-ku, Tokyo 163-8001, Japan
| | - Toshinori Yoshida
- Laboratory of Veterinary Pathology, Veterinary Science, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-cho, Fuchu-shi, Tokyo 183-8509, Japan
| | - Airi Seki
- Shibaura Meat Sanitary Inspection Center, Tokyo Metropolitan Government, 2-7-19 Konan, Minato-ku, Tokyo 163-8001, Japan
| | - Misato Nakamura
- Laboratory of Veterinary Pathology, Veterinary Science, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-cho, Fuchu-shi, Tokyo 183-8509, Japan
| | - Takaharu Tanaka
- Laboratory of Veterinary Pathology, Veterinary Science, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-cho, Fuchu-shi, Tokyo 183-8509, Japan
| | - Ryo Ichikawa
- Laboratory of Veterinary Pathology, Veterinary Science, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-cho, Fuchu-shi, Tokyo 183-8509, Japan
| | - Junta Nakahara
- Laboratory of Veterinary Pathology, Veterinary Science, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-cho, Fuchu-shi, Tokyo 183-8509, Japan
| | - Kai Orihara
- Laboratory of Veterinary Pathology, Veterinary Science, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-cho, Fuchu-shi, Tokyo 183-8509, Japan
| | - Mio Kobayashi
- Laboratory of Veterinary Pathology, Veterinary Science, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-cho, Fuchu-shi, Tokyo 183-8509, Japan
| | - Risako Yamashita
- Laboratory of Veterinary Pathology, Veterinary Science, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-cho, Fuchu-shi, Tokyo 183-8509, Japan
| | - Makoto Shibutani
- Laboratory of Veterinary Pathology, Veterinary Science, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-cho, Fuchu-shi, Tokyo 183-8509, Japan
| | - Takayuki Ueda
- Shibaura Meat Sanitary Inspection Center, Tokyo Metropolitan Government, 2-7-19 Konan, Minato-ku, Tokyo 163-8001, Japan
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Fede C, Stecco C, Angelini A, Fan C, Belluzzi E, Pozzuoli A, Ruggieri P, De Caro R. Variations in contents of hyaluronan in the peritumoral micro-environment of human chondrosarcoma. J Orthop Res 2019; 37:503-509. [PMID: 30444002 DOI: 10.1002/jor.24176] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/26/2018] [Accepted: 10/30/2018] [Indexed: 02/04/2023]
Abstract
A concept consolidated in recent years is that tumor growth depends to a great extent on the micro-environment surrounding the tumor, which has a fundamental role in tumor progression and in determining the effectiveness of therapies. Our analysis focuses on chondrosarcoma, the second primary malignant bone tumor, resistant to both chemotherapeutic and radiation therapy. We quantified hyaluronan, one of the main components of the extracellular matrix, with the aim of comparing its amount in the connective tissue surrounding the tumor with intra-tumoral tissue and healthy fascia of the same anatomic district, viewed as a health control. We demonstrate that hyaluronan increased significantly in the peritumoral stroma compared with the healthy fascia, which showed an average amount according to the physical characteristics of body districts by a mean value of 26.9 μg/g. In the peritumoral stroma, the mean hyaluronan content reached 132.6 μg/g (mean value of 63.2 μg/g). The p-value was less than 0.01, showing a highly significant statistical difference. Surprisingly, no significant differences were detected as a function of age, gender, or tumor grade. The levels of hyaluronan were comparable in peritumoral and tumor tissues, although there were differences depending on the state of necrosis. In addition, data on the expression of hyaluronic acid synthetase showed a decrease of about 50% in peritumoral and tumor tissues, indicating alterations in hyaluronan turnover and synthesis. This work demonstrates a variation in hyaluronan contents around the chondrosarcoma, likely correlated with the aggressiveness and resistance to chemotherapy of this tumors. Statement of Clinical Significance: Deeper knowledge about the composition of the peritumoral stroma, rich in extracellular matrix, will enhance better study and understanding of the metastatic potential of tumors and their prognostic indices. © 2018 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 37:503-509, 2019.
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Affiliation(s)
- Caterina Fede
- Department of Neuroscience, Anatomy Institute, University of Padova, via Gabelli 65, Padova 35121, Italy
| | - Carla Stecco
- Department of Neuroscience, Anatomy Institute, University of Padova, via Gabelli 65, Padova 35121, Italy
| | - Andrea Angelini
- Department of Orthopedics and Orthopedic Oncology, University of Padova, via Giustiniani 2, Padova 35121, Italy
| | - Chenglei Fan
- Department of Neuroscience, Anatomy Institute, University of Padova, via Gabelli 65, Padova 35121, Italy
| | - Elisa Belluzzi
- Department of Orthopedics and Orthopedic Oncology, University of Padova, via Giustiniani 2, Padova 35121, Italy
| | - Assunta Pozzuoli
- Department of Orthopedics and Orthopedic Oncology, University of Padova, via Giustiniani 2, Padova 35121, Italy
| | - Pietro Ruggieri
- Department of Orthopedics and Orthopedic Oncology, University of Padova, via Giustiniani 2, Padova 35121, Italy
| | - Raffaele De Caro
- Department of Neuroscience, Anatomy Institute, University of Padova, via Gabelli 65, Padova 35121, Italy
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