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Diagnostic ultrasound ( PDFDrive )

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CHAPTER 5 The Spleen 155

Focal Solid Splenic Masses

BENIGN

Hemangioma

Hamartoma

Littoral cell angioma

Lymphangioma

Sclerosing angiomatoid nodular transformation

Inlammatory pseudotumor

MALIGNANT

Lymphoma

Metastases

Angiosarcoma

Hemangiopericytoma

FIG. 5.22 Primary Splenic Malignancy: Angiosarcoma. Transverse

image shows multiple poorly deined hypoechoic lesions. Other sonographic

indings include a heterogeneous echotexture, complex masses,

and splenomegaly.

OTHER

Infarct

A

B

C

FIG. 5.23 Metastases. (A) Metastatic melanoma with

multiple echogenic splenic lesions (arrows). (B) Metastatic

colon carcinoma. Heterogeneous echogenic splenic mass.

Similar lesions were present throughout the liver. (C)

Metastatic colon carcinoma. Computed tomography scan

after intravenous contrast in same patient demonstrating

hypodense splenic and liver lesions consistent with metastatic

disease.

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