DOI: 10.12890/2024_004243
Diffuse B-cell lymphoma of the mandible disguised as acute osteomyelitis
Authors
devina.adalja22@gmail.com
Keywords
Osteomyelitis, lymphoma, bone necrosis, diffuse B-cellAbstract
Background: Primary bone lymphoma (PBL) is a rare form of extra nodal non-Hodgkin’s lymphoma (NHL).
Case description: We describe a 39-year-old-male with no medical history who presented with unilateral facial swelling following a tooth extraction. Initial diagnoses after various presentations over the course of three weeks, based on inflammatory and infectious aetiologies. However, the patient was ultimately diagnosed with diffuse large B-cell lymphoma.
Discussion: Symptoms of PBL are very similar to inflammatory and infectious diseases of the bone, such as osteomyelitis or osteonecrosis. Clinical features of PBL involving the head and neck include persistent jaw pain, tooth mobility secondary to extensive destruction of bone, and in advanced cases, lip numbness and swelling. On examination it may present as an exposed necrotic bone with surrounding soft tissue oedema. Misdiagnosis of these lesions as an infectious or inflammatory aetiology may lead to an unnecessary delay in lymphoma treatment, and subsequently worsen the prognosis if caught at a later stage. Therefore, any concerning lesion, especially in the oral cavity, must be subjected to early histopathological evaluation to differentiate PBL from osteomyelitis and/or osteonecrosis.
Conclusion: This case report highlights the importance of an early histopathological evaluation to prevent delay in the diagnosis of primary bone lymphomas.
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