We present a case of a patient visiting the ear, nose and throat department with a parotid gland mass, ptosis and facial numbness. CT imaging confirmed a mass in the parotid gland; however, it also revealed a mass in the left maxillary sinus. MRI, positron emission tomography combined with CT and nasal biopsy confirmed the diagnosis of a extranodal natural killer/T cell lymphoma, nasal type. Because this is a rare clinical entity in Western society, patients are typically diagnosed in an advanced stage; symptoms resemble chronic rhinosinusitis and histopathological analysis is challenging. In this atypical case, the patient presented with symptoms of ptosis, parotid gland mass and facial numbness instead of nasal symptoms. In this case, we want to emphasise that diagnosing a sinonasal NK/T-cell lymphoma is often challenging.
- Ear, nose and throat/otolaryngology
- Haematology (incl blood transfusion)
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Contributors All authors have read and approved the manuscript. KR: main author and actively participated in patient care. MM: helped editing the article. VVH: helped editing the article and actively participated in patient care. DL: supervised the whole work, revised the manuscript and actively participated in patient care.
Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.
Case reports provide a valuable learning resource for the scientific community and can indicate areas of interest for future research. They should not be used in isolation to guide treatment choices or public health policy.
Competing interests None declared.
Provenance and peer review Not commissioned; externally peer reviewed.