Lymphomatous superficial lymph nodes: US detection.

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Abstract
Superficial adenopathy is the most frequent clinical manifestation of lymphoma, both at initial workup and later when disease recurs. Data obtained by means of physical examination and ultrasonography (US) of the cervicosupraclavicular, axillary, and inguinal regions were compared for 120 patients, 60 at the time of initial staging and 60 during follow-up for a previously treated lymphoma. Twenty-nine in the second group had recurrent disease, as confirmed with histologic examination. For all 120 patients, US revealed clinically impalpable lesions in an average of 10.8% of cases for the cervicosupraclavicular region, 17.9% for the axillary region, and 4.1% for the inguinal region. Eight of the 29 relapses were not detected at physical examination, and three were demonstrated solely with US. These findings emphasize the value of US exploration of the superficial node-bearing regions in patients with lymphoma, during both initial staging and follow-up.