Primary malignant lymphoma of the parotid gland.
Lymphoma of the salivary gland accounts for 5% of cases of extranodal lymphoma and 10% of malignant salivary gland tumors. Most primary salivary gland lymphomas are B marginal zone lymphomas arising on a background of sialadenitis associated with an autoimmune disorder such as Sjorgen's syndrome. This report describes a case of primary B-cell lymphoma arising in the parotid gland in a middle-aged female, which was not associated with an autoimmune disorder. Immunohistochemistry studies confirmed the clonal B-cell nature of the tumor. This case highlights the fact that B-cell lymphoma in the salivary gland can go unrecognized due to its non-specific symptoms and requires immunohistochemistry studies for confirmation. We present this case for its rarity.
Sudha H
SH
Metikurke
Rashmi
R
Krishnappa
Sreevathsa M
SM
Ramachar
Iteeka
I
Arora
D005260:Female; D006801:Humans; D008223:Lymphoma / Q000175:diagnosis* / Q000473:pathology; D008875:Middle Aged; D010306:Parotid Gland / Q000473:pathology*; D010307:Parotid Neoplasms / Q000175:diagnosis* / Q000473:pathology