The Value of Bone Marrow Assessment by FDG PET/CT, Biopsy and Aspirate in the Upfront Evaluation of Mantle Cell Lymphoma: A Nationwide Cohort Study
2024

Assessing Bone Marrow in Mantle Cell Lymphoma

Sample size: 148 publication 10 minutes Evidence: high

Author Information

Author(s): Ródenas Quiñonero Isabel, Marco-Ayala Javier, Chen-Liang Tzu-Hua, de la Cruz-Vicente Fátima, Baumann Tycho, Navarro José-Tomás, Martín García-Sancho Alejandro, Martin-Santos Taida, López-Jiménez Javier, Andreu Rafael, Parra Ester, Usas Andrea, Alonso David, Fernández-González Marta, Palomo Rumschisky Pablo, Frutos Laura, Navarro José Luis, Alvarez-Perez Rosa María, Sarandeses Pilar, Cortes Montserrat, Tamayo Pilar, Uña Jon, Martínez-Lorca Alberto, Ruiz Cristina, Lozano María Luisa, Ortuño Francisco José, Iannitto Emilio

Primary Institution: Servicio de Hematología, Hospital José María Morales Meseguer, IMIB-Pascual Parrilla, Centro de Investigación Biomédica en Red. Enfermedades Raras (CIBERER), Murcia, Spain

Hypothesis

This study aims to clarify the diagnostic accuracy and prognostic value of different methods for assessing bone marrow infiltration in mantle cell lymphoma.

Conclusion

PET/CT-based assessment of bone marrow infiltration has greater prognostic impact than traditional biopsy, leading to the development of a new prognostic model.

Supporting Evidence

  • 110 patients had BMI detected by BMB and 33 by PET/CT.
  • The sensitivity of BMB was higher than that of PET/CT (94.8% vs. 28.4%).
  • BMB demonstrated independent prognostic value only in combination with PET/CT.
  • PET/CT had significant clinical impact on PFS in intensively treated patients.
  • The proposed MCL-PET-I prognostic index effectively differentiates between clinical risk groups.

Takeaway

Doctors are trying to find the best way to check if bone marrow is affected by a type of cancer called mantle cell lymphoma. They found that a special scan called PET/CT might be better than a regular biopsy.

Methodology

The study analyzed data from 148 patients diagnosed with mantle cell lymphoma, comparing the effectiveness of PET/CT and bone marrow biopsy in detecting bone marrow infiltration.

Potential Biases

Potential biases may arise from the lack of standardized criteria for evaluating bone marrow involvement across different centers.

Limitations

The study is retrospective and multicenter, which may introduce variability in results due to differing practices across centers.

Participant Demographics

The median age of participants was 63 years, with 78.4% male and 26.3% over 70 years old.

Statistical Information

P-Value

p = 0.027 for PET/CT predictive value for PFS; p = 0.025 for BMB in combination with PET/CT.

Confidence Interval

95% CI for PET/CT sensitivity: 19.81–37.09; for BMB sensitivity: 90.37–99.29.

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.3390/cancers16244189

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