Related Experiment Video
Updated: Sep 28, 2025
Modeling Primary Bone Tumors and Bone Metastasis with Solid Tumor Graft Implantation into Bone
Published on: September 9, 2020
Metachronous Osseous Metastases From Gliobliostoma Mutiforme: An Unusual Presentation
Ajay S Krishnan1, Sweety Gupta1, Shreyosi Mandal1
1Department of Radiation Oncology, All India Institute of Medical Sciences, Rishikesh, Rishikesh, IND.
Abstract:
Metastasis occurs very rarely in glioblastoma cases. Diagnosing metastatic glioblastoma has to follow a strict protocol to avoid misdiagnosis. Weiss's 1955 criteria, which is in prevalence, needs to be modified to include current standards of investigation. We report an interesting case of metachronous osseous metastasis from a primary glioblastoma with a complete response at a local site. We also suggest modifications to Weiss' criteria, which may improve its utility in establishing the diagnosis of metastatic glioblastoma.
Insights
Metastasis is rare in glioblastoma. This case highlights the need to update diagnostic criteria for metastatic glioblastoma, particularly for bone metastasis, to ensure accurate diagnosis and treatment.
Area of Science:
- Neuro-oncology
- Oncologic Pathology
Background:
- Glioblastoma (GBM) rarely metastasizes, making diagnosis challenging.
- Current diagnostic protocols, including Weiss's criteria, may require updates for metastatic GBM.
- Accurate diagnosis of metastatic GBM is crucial to avoid misdiagnosis.
Observation:
- A rare case of metachronous osseous metastasis from a primary glioblastoma is presented.
- The primary glioblastoma site showed a complete response to treatment.
- The metastatic lesion was located in the bone.
Findings:
- The case underscores the rarity and diagnostic complexity of glioblastoma metastasis.
- Weiss's criteria, a standard for diagnosis, may need modification to incorporate advanced investigative methods.
- Proposed modifications aim to enhance the diagnostic accuracy for metastatic glioblastoma.
Implications:
- Updated diagnostic criteria could improve the identification of metastatic glioblastoma.
- Refined diagnostic approaches may lead to more timely and appropriate patient management.
- Further research into the metastatic potential and mechanisms of glioblastoma is warranted.
