Korean J Head Neck Oncol Search


Korean Journal of Head & Neck Oncology 2018;34(1):49-53.
Published online May 30, 2018.
A Case of Co-Existence of Diffuse Large B cell Lymphoma in Parotid Gland and Follicular Lymphoma in Upper Neck
Seok Jung Hong;Eun Ju Kim;Seung Woo Kim
동측의 이하선과 상경부에 공존하여 발생한 미만성 거대 B세포 및 여포성 림프종 1예
Primary non-Hodgkin’s lymphoma (NHL) rarely involves the parotid gland and its incidence is only 1.7% to 3.1% of all salivary gland neoplasms. The mucosa associated lymphoid tissue (MALT) is the most common subtype of NHL, followed by follicular lymphoma (FL) and diffuse large B cell lymphoma (DLBCL). However, two distinct types of lymphomas occurring synchronously in the parotid gland and cervical lymph node have not been reported earlier. A 72-year-old man with rubbery-hard and fixed mass on the left parotid area came to our clinic. We performed the left total parotidectomy with ipsilateral excision of lymph node (level II), and he was finally diagnosed as DLBCL in parotid gland and FL in upper neck. It is presumed that the DLBCL appeared to be a transformation from FL. We report the unique and rare disease entity with brief literature review.
Key Words: Diffuse large B cell lymphoma, Follicular lymphoma, Parotid gland


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