"Misdiagnosis of diffuse large B-cell lymphoma in the maxillary sinus as a dental abscess"

Diffuse large B-cell Lymphoma (DLBCL) is a heterogeneous group of malignant tumors with diverse prognoses, histological appearances, and clinical symptoms. While it commonly affects lymphoid tissues, its occurrence in the nasal cavity and paranasal sinuses is rare and poses significant diagnostic challenges.