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Open research questions in Sarcoma Diagnosis and Treatment

766 gap statements mined from Sarcoma Diagnosis and Treatment papers in our 7.9M-paper local library, which holds 3,027 papers on the topic — drawn mostly from each paper's own stated research gap, future-work, challenge and limitation notes, and its abstract. The ones listed below are a selection still marked open; each names the study that raised it, with a DOI link where the paper has one.

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What the literature leaves open

  • An important limitation must be acknowledged upfront: because this review’s search strategy mandated PRS involvement, it is not possible to fully evaluate outcomes associated with PRS closure compared to primary closure alone.

    Plastic and reconstructive surgery in spinal sarcoma resection: a review of indications, techniques, and outcomes · 2026 · DOI

  • Future prospective studies with larger sample sizes and prolonged follow-up are warranted to further evaluate the long-term oncological efficacy of uniportal endoscopic technique and refine its precise application indications for benign bone tumours and tumour-like lesions near the joints of the extremities.

    Oncological outcomes and clinical efficacy of uniportal endoscopic technique in the treatment of benign bone tumours and tumour-like lesions adjacent to limb joints: a retrospective study · 2026 · DOI

  • The true epidemiology of this tumor group remains unclear due to methodological biases and frequent errors in pathological assessment, with reported inaccuracy rates of up to 25%.

    The impact of non-centralised surgical treatment on local recurrence, amputation rate and survival in patients with extremity soft tissue sarcoma · 2026 · DOI

  • Experimental studies have also proposed that cryotreated grafts may induce anti-tumor immune responses through antigen exposure during the freeze–thaw process, although the clinical relevance of this mechanism remains to be fully established.

    Liquid nitrogen-treated autograft combined with megaprosthesis versus total femoral replacement for large-volume malignant femoral bone tumors: a comparative study · 2026 · DOI

  • Despite the lack of evidence of pre-operative radiotherapy for the low-grade soft-tissue sarcomas, the efficacy of post-operative radiotherapy in patients who underwent limb-sparing surgery has been proven through a randomized prospective trial with 141 patients.

    What are the surgical and oncologic outcomes, as well as the complications, associated with pre-operative radiotherapy in patients with low-grade soft-tissue sarcoma? · 2026 · DOI

  • Despite approximately 300 molecularly defined LGESS cases with recurrent fusions reported in the literature to date, data on their mutational profile remain scarce, as most studies have focused only on RNA-level alterations.

    CTNNB1 mutation represents a recurrent driver molecular alteration in a subset of endometrial stromal tumors · 2026 · DOI

  • Systematic reviews have reinforced these observations, concluding that educational programs consistently improve self-perceived knowledge and confidence among primary care providers, although their translation into measurable clinical outcomes remains insufficiently documented.

    Impact of a Structured Educational Intervention on Primary Care Physicians’ Knowledge of Soft Tissue Sarcomas: A Multicenter Quasi-Experimental Study · 2026 · DOI

  • The optimal timing, dose, and sequence of administration should be investigated as key parameters in preclinical studies, and validation should begin with biomarker-screened Phase Ib/II umbrella trials.

    Metabolic reprogramming in the immune microenvironment of Ewing sarcoma: from mechanisms to therapeutic strategies · 2026 · DOI

  • Distant metastasis of osteosarcoma (OS) is one of the major factors contributing to poor patient prognosis, and its underlying mechanisms remain incompletely understood.

    Single‐Cell Transcriptomic Analysis Suggests That JUN May Regulate BAMBI to Promote Osteosarcoma Cell Migration and Invasion · 2026 · DOI

  • Alveolar rhabdomyosarcoma (ARMS) is largely characterized by the PAX3::FOXO1 (P3F) fusion oncoprotein, yet the mechanisms by which P3F initiates tumorigenesis and cell identity remain incompletely understood.

    Myogenic and neural transcriptional circuitry determines PAX3::FOXO1 driven initiation of rhabdomyosarcoma · 2026 · DOI

  • In select cases of limb DDLPS in which positive surgical margins are limited to the ALT component, marginal excision without adjuvant radiation therapy may be oncologically safe, offering comparable oncological outcomes to those with negative margins.

    Marginal excision of dedifferentiated liposarcoma of the limbs without radiation may be safe in select patients · 2026 · DOI

  • There is a lack of reliable diagnostic markers for differentiating low-grade osteosarcoma from its benign counterparts. The diagnosis of jaw bone tumors is often challenging due to overlapping signs and symptoms. There is a need for cost-effective and clinically relevant screening tools.

    An immunohistochemical based assessment of murine double minute 2 (MDM2) and cyclin-dependent kinase 4 (CDK4) in jaw osteosarcoma and benign osseous lesions · 2026 · DOI

  • For patients with primary, localized extremity and truncal STS, the sequencing of surgery and RT should be determined based on multidisciplinary evaluation of patient and tumor characteristics.

    Principles of Surgical Treatment of Soft Tissue Sarcomas · 2025 · DOI

  • Further investigation into CALR expression and its epigenetic impact on adhesion molecules may provide novel insights into the metastatic mechanisms of RMS.

    Integrative Multi-Omics Profiling of Rhabdomyosarcoma Subtypes Reveals Distinct Molecular Pathways and Biomarker Signatures · 2025 · DOI

  • Future research should focus on characterizing the genetic landscape of Moroccan patients with synovial sarcoma to yield a comprehensive understanding of the genetic and epigenetic factors driving tumor progression and therapeutic resistance.

    Molecular Profiling of SYT-SSX Fusion Transcripts for Enhanced Diagnosis of Synovial Sarcomas · 2025 · DOI

  • Further study of additional cases is needed to establish whether these rearrangements truly represent an initiating event for a distinct subset of uterine sarcomas, or whether FOXO1 rearrangements simply represent an additional noninitiating/nondriver event within other established tumor types.

    Uterine Sarcomas Harbouring Novel FOXO1 Gene Rearrangements · 2025 · DOI

  • As described, this CID study provides an opportunity to simultaneously address multiple current areas of unmet need and knowledge gaps in the systemic and local treatment of RMS and will provide prospective tumour and liquid biopsy collection in both newly diagnosed and relapsed patients, with clinical annotation.

    Frontline and Relapsed Rhabdomyosarcoma (FaR-RMS) Clinical Trial: A Report from the European Paediatric Soft Tissue Sarcoma Study Group (EpSSG) · 2024 · DOI

  • Such a transplantation should be considered regardless of the patient’s age. Cases of typical DFSP with excellent prognosis must be distinguished from fibrosarcomatous DFSP with a much worse prognosis. Adequate staging and grading may be enhanced with modern approaches: anatomopathological evaluation of the presence of lymphovascular space invasion and sentinel lymph node biopsy at DFSP surgery.

    Dermatofibrosarcoma Protuberans: An Updated Review of the Literature · 2024 · DOI

  • Conventional chemotherapy remains fundamental in the treatment of many soft tissue sarcomas. Similar to other solid tumors, advancements in targeted therapy and immunotherapy underscore the growing significance of molecular testing in guiding precise diagnostic strategies and targeted therapies within the STS domain.

    Systemic Treatment in Soft Tissue Sarcomas: Are We Making a Difference? · 2025 · DOI

  • In recent years, changes in treatment protocols introduced in paediatric oncology and the development of new radiological techniques have led to a significant improvement in treatment outcomes. The field of paediatric cancer treatment is rapidly evolving due to innovative approaches.

    Analysis and Historical Evolution of Paediatric Bone Tumours: The Importance of Early Diagnosis in the Detection of Childhood Skeletal Malignancies · 2025 · DOI

  • Despite multifactorial approaches, survival rate for RMS has remained quite unwavering over the past decades. Thus, innovative strategies are being evaluated. Dietary supplements, such as curcumin, have been demonstrated to suppress cell migration and to induce cell cycle arrest and apoptosis in RMS cells through the inhibition of mTORC1 at low concentrations and mTORC2 at high concentrations.

    The Emerging Role and Clinical Significance of PI3K-Akt-mTOR in Rhabdomyosarcoma · 2025 · DOI

  • A notable limitation of the current study is the absence of paired genomic sequencing data to 1 3Virchows…

    Clinicopathological correlations and immunohistochemical expression of ATRX and Rb in soft tissue leiomyosarcoma: Insights into tumor features and prognostic stratification · 2026 · DOI

  • Small sample size of 32 patients, - Retrospective study design, - Limited information on tumor size and grade for some…

    High Risk of Early Local Recurrence After Unplanned Excision of Soft Tissue Sarcoma in Patients Followed Without Immediate Additional Wide Excision · 2026 · DOI

  • Further studies on the optimal timing and approach for additional wide excision, - Investigation of factors influencing local recurrence risk, - Comparison of outcomes with planned…

    High Risk of Early Local Recurrence After Unplanned Excision of Soft Tissue Sarcoma in Patients Followed Without Immediate Additional Wide Excision · 2026 · DOI

  • Expanding sample sizes across multicentric studies, - Correlating IHC results with clinical outcomes, - Incorporating molecular correlation in future studies, - Validating the study findings in larger…

    An immunohistochemical based assessment of murine double minute 2 (MDM2) and cyclin-dependent kinase 4 (CDK4) in jaw osteosarcoma and benign osseous lesions · 2026 · DOI

Most-cited papers in Sarcoma Diagnosis and Treatment

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Open questions raised by papers listed on this page include: (1) The true epidemiology of this tumor group remains unclear due to methodological biases and frequent errors in pathological assessment, with reported inaccuracy rates of up to 25% (“The impact of non-centralised surgical treatment on local recurrence,…”, 2026); (2) Despite approximately 300 molecularly defined LGESS cases with recurrent fusions reported in the literature to date, data on their mutational profile remain scarce, as most studies have focused only on RNA-level alterations (“CTNNB1 mutation represents a recurrent driver molecular alteration in a subset…”, 2026); (3) Distant metastasis of osteosarcoma (OS) is one of the major factors contributing to poor patient prognosis, and its underlying mechanisms remain incompletely understood (“Single‐Cell Transcriptomic Analysis Suggests That JUN May Regulate BAMBI to…”, 2026); (4) Alveolar rhabdomyosarcoma (ARMS) is largely characterized by the PAX3::FOXO1 (P3F) fusion oncoprotein, yet the mechanisms by which P3F initiates tumorigenesis and cell identity remain incompletely understood (“Myogenic and neural transcriptional circuitry determines PAX3::FOXO1 driven…”, 2026); (5) There is a lack of reliable diagnostic markers for differentiating low-grade osteosarcoma from its benign counterparts (“An immunohistochemical based assessment of murine double minute 2 (MDM2) and…”, 2026). 766 gap statements have been mined from Sarcoma Diagnosis and Treatment papers in our 7.9M-paper local library, which holds 3,027 papers on the topic; the gaps come from whichever of those papers state one. They are mostly the research gaps the authors state and the papers' abstracts, plus future-work, limitations and challenges passages. The ones listed below are a selection still marked open; each names the study that raised it, with a DOI link where the paper has one, so you can read the original claim in context.

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