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目的:分析口咽部B细胞来源非霍奇金淋巴瘤(NHL)的CT表现、特征,初步探讨不同病理类型B细胞来源NHL的CT表现特点,为临床诊断和治疗提供更为准确的信息。方法:对18例经病理证实的口咽部B细胞来源非霍奇金淋巴瘤的CT表现进行回顾性分析。结果:18例中,弥漫大B细胞淋巴瘤13例,占72.2%(13/18),滤泡性淋巴瘤3例,占16.7%(3/18),套细胞淋巴瘤1例,占5.6%(1/18),结外边缘区淋巴瘤(MALT淋巴瘤)1例,占5.6%(1/18)。病变分布为:扁桃体NHL9例(弥漫大B细胞淋巴瘤8例、套细胞淋巴瘤1例);舌根8例(弥漫大B细胞淋巴瘤5例、滤泡性淋巴瘤3例);软腭1例,为结外边缘区淋巴瘤(MALT淋巴瘤)。18例病变均表现为肿块型。同时有淋巴结受累者12例(66.7%),其中双侧受累者3例。结论:口咽B细胞来源NHL多发生于扁桃体及舌根。病理类型以弥漫大B细胞淋巴瘤为主,主要表现为肿块。CT对于B细胞来源NHL的鉴别诊断和病变范围的判断具有重要作用。
OBJECTIVE: To analyze the CT features and characteristics of non-Hodgkin’s lymphoma (NHL) derived from B cells of oropharynx and to investigate the CT features of NHL from different pathological types of B cells to provide more accurate information for clinical diagnosis and treatment. Methods: The CT findings of 18 cases of pathologically confirmed oropharyngeal B cell non-Hodgkin’s lymphoma were retrospectively analyzed. Results: In 18 cases, 13 cases were diffuse large B cell lymphoma (72.2%), 3 follicular lymphoma (16.7%), mantle cell lymphoma (5.6%) % (1/18), 1 extranodal marginal zone lymphoma (MALT lymphoma), accounting for 5.6% (1/18). The distribution of lesions were: tonsil NHL in 9 cases (diffuse large B cell lymphoma in 8 cases, mantle cell lymphoma in 1 case); tongue base in 8 cases (diffuse large B cell lymphoma in 5 cases, follicular lymphoma in 3 cases); soft palate in 1 case , The extranodal marginal zone lymphoma (MALT lymphoma). 18 cases of lesions showed mass type. There were 12 cases (66.7%) with lymph node involvement at the same time, including 3 cases of bilateral involvement. Conclusion: Oral B cell origin NHL mostly occurs in tonsils and tongue base. Pathological type to diffuse large B cell lymphoma, mainly manifested as lumps. CT for B cell-derived NHL differential diagnosis and determine the extent of the lesion has an important role.