Does lymph node morphology using ultrasound reflect aetiology? A pictorial essay, part I

The evaluation of lymph nodes (LNs) using ultrasound requires a high level of clinical and sonographic competence. This pictorial essay is intended to illustrate eye-catching examples of relevant clinical-sonographic visual diagnoses of LNs. We provide typical images and take-home messages of eye-catching features to illustrate the featured publications. The first part includes important differential diagnoses of eye-catching features of suspected lymphadenopathy and benign lymphadenopathy. The second part will include Eye-catching features of malignant lymphadenopathy, both carcinoma and lymphoma.