Sonographic patterns of the affected spleen in malignant lymphoma

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Abstract
Sonographic examination showed spleen involvement in 43 patients with histological evidence of malignant lymphoma. In 23% of these cases the spleen was of normal size and 77% exhibited variable splenomegaly. Focal lesions could be seen in 27 patients, 16 exhibiting diffuse, small-nodule transformation of the sonographic parenchymal texture. Hodgkin lymphomas caused both focal (7 of 16) and diffuse (9 of 16), splenic lesions. All non-Hodgkin lymphomas of high-grade malignancy exhibited focal lesions, which are larger than 3 cm in diameter in 11 out of 13 patients. In non-Hodgkin lymphomas of low-grade malignancy, focal sites and diffuse destruction of splenic tissue texture were found, lesions of under 3 cm in diameter (11 of 13) being characteristic of this subtype.