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Chronic lymphocytic leukemia of the oropharyngeal cavity and paranasal sinuses: a case series and literature review.
International Forum of Allergy & Rhinology 2015 November
BACKGROUND: Chronic lymphocytic leukemia (CLL) is an indolent B-lineage neoplasm responsible for 30% of all leukemias. The median age of onset is 67 years with a male predominance of 2:1. Localized infiltration in the oropharynx and paranasal sinuses is exceptionally rare. The aims of this study were (1) to add an additional case series of CLL with involvement of the oropharynx and paranasal sinuses to the literature and (2) to determine incidence and demographic data.
METHODS: Retrospective chart review from 1990 to 2014.
RESULTS: Five cases were found in our case series, representing 0.74% of the total number of cases analyzed (5/680). Sixteen additional cases were identified through literature review, resulting in a total of 21 cases of CLL (13 men, 8 women) with involvement of the oropharynx (n = 15) and paranasal sinuses (n = 6). The average age of patients with CLL in the oropharynx was 62 years whereas in the paranasal sinuses it was 52 years (p = 0.16). The average age of female cases was 62 years and the average age of male cases was 58 years (p = 0.63). Almost 85% (84.6%) of men had oropharynx invasion vs 50% of females (p = 0.15), which suggests a nonsignificant trend.
CONCLUSION: The results of our study indicate that CLL infiltrates the oropharynx or paranasal sinuses in less than 1% of CLL cases. Although there seems to be no age bias between invasion in the oropharynx and the paranasal sinuses, there is a trend whereby women appear more likely to experience invasion of the paranasal sinuses.
METHODS: Retrospective chart review from 1990 to 2014.
RESULTS: Five cases were found in our case series, representing 0.74% of the total number of cases analyzed (5/680). Sixteen additional cases were identified through literature review, resulting in a total of 21 cases of CLL (13 men, 8 women) with involvement of the oropharynx (n = 15) and paranasal sinuses (n = 6). The average age of patients with CLL in the oropharynx was 62 years whereas in the paranasal sinuses it was 52 years (p = 0.16). The average age of female cases was 62 years and the average age of male cases was 58 years (p = 0.63). Almost 85% (84.6%) of men had oropharynx invasion vs 50% of females (p = 0.15), which suggests a nonsignificant trend.
CONCLUSION: The results of our study indicate that CLL infiltrates the oropharynx or paranasal sinuses in less than 1% of CLL cases. Although there seems to be no age bias between invasion in the oropharynx and the paranasal sinuses, there is a trend whereby women appear more likely to experience invasion of the paranasal sinuses.
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