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ArticleRadiology case reports2025

Radiologic and Pathologic Insights into Medication-Related Osteonecrosis of the Jaw in Myeloma Patients: A Report of 3 Cases.

Suvarna Indermun, Jessica Simpson, Kim Pedro-Beech, Julandi Alwan, Leon Janse van Rensburg

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Article in Radiology case reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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4 · The record

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5 · Who and what money

Authors and funding

5 authors.

Suvarna IndermunDepartment of Craniofacial Biology, Pathology and Radiology, Faculty of Dentistry and WHO Collaborating Centre, University of the Western Cape, Cape Town, South Africa.
Jessica SimpsonDepartment of Craniofacial Biology, Pathology and Radiology, Faculty of Dentistry and WHO Collaborating Centre, University of the Western Cape, Cape Town, South Africa.
Kim Pedro-BeechDepartment of Maxillofacial and Oral Surgery, Faculty of Dentistry and WHO Collaborating Centre, University of the Western Cape, Cape Town, South Africa.
Julandi AlwanDepartment of Craniofacial Biology, Pathology and Radiology, Faculty of Dentistry and WHO Collaborating Centre, University of the Western Cape, Cape Town, South Africa.
Leon Janse van RensburgDepartment of Medical Imaging and Clinical Oncology, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Medication-related osteonecrosis of the jaw (MRONJ) is a rare side-effect of certain drugs, mainly those used in regimens treating specific cancers and in the initial treatment for non-neoplastic conditions. The first cases of jaw osteonecrosis were reported over 2 decades ago in patients taking bisphosphonates (BPs). Since its identification, the nomenclature has changed from bisphosphonate-related osteonecrosis of the jaw (BRONJ) to MRONJ, as other drugs can elicit the same reaction. Invasive dental treatments, such as extractions, are known risk factors. Therefore, the importance of routine dental care before and during such drug therapy cannot be overemphasized. MRONJ is a challenging condition to diagnose early as the radiographic features are subtle and easily overlooked. This case report presents 3 female patients with multiple myeloma, emphasizing the chronological radiologic evolution of MRONJ. Notably, 1 case illustrates a transition from Stage 0 to Stage 2 over a 17-month period, documented through serial panoramic radiographs and a positron emission tomography (PET) scan. Another case highlights the role of cone beam computed tomography (CBCT) in identifying sequestra and pathological fractures. An additional noteworthy case illustrates that conservative dental management avoided the potential development of MRONJ. While histopathology confirmed necrotic bone in 2 cases, early radiologic indicators such as sclerosis and nonhealing sockets provided key diagnostic insights. This case report underscores the importance of regular dental monitoring and interdisciplinary care in at-risk patients and contributes to the growing discourse on the critical role of radiologic evaluation in the early detection and management of MRONJ.

Indexed as

BisphosphonatesBone necrosisMalignancyMaxillofacial pathologyMRONJPanoramic radiography

Identifiers

PMID40746744
PMCPMC12311506

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