ArticleEmergency radiology2025
Sinonasal NK/T-cell lymphoma - imaging features overlap with non-neoplastic etiologies.
Article in Emergency radiology, 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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Authors and funding
5 authors.
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Abstract
purposeThe purpose of this retrospective study is to evaluate imaging features of sinonasal NK/T-cell lymphoma, potentially aiding early diagnosis and improving patient outcomes through timely biopsy evaluation and treatment. MATERIALS &
methodsThis study was designed as a retrospective review. Imaging characteristics in a total of 28 patients with histology confirmed sinonasal NK/T-cell lymphoma were evaluated by two radiologists. Demographic data and clinical features were extracted from the electronic medical record.
resultsAmong 28 patients, 84.6% presented with nasal cavity involvement and 88.5% with an isoattenuating lesion on CT and 63.6% with T2 hypointensity on MRI. Notably, 57.7% showed osseous destruction and 27.3% had devascularized tissue, highlighting significant radiologic features that may overlap with non-neoplastic etiologies.
conclusionSinonasal NK/T-cell lymphoma should be in the differential diagnosis in patients presenting with chronic sinonasal symptoms and imaging findings of tissue necrosis, osseous destruction, and adjacent fat infiltration. Imaging features overlap with entities such as aggressive fungal sinusitis and granulomatosis with polyangiitis.
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