What does it mean to have a lesion on your spleen?
In the immunocompromised patient, multiple small splenic lesions usually represent disseminated fungal disease and microabscesses. The spleen is a relatively rare site for metastatic disease; patients with metastatic lesions in the spleen usually have disease in other sites as well.
Should I worry about a lesion on my spleen?
Hypodense splenic lesions are frequently encountered on abdominal CT images. Although most hypodense lesions of the spleen can be considered benign, some findings and clinical conditions warrant closer attention to the lesion.
Are lesions on spleen common?
Splenic hemangioma is congenital and is the most common benign lesion of the spleen. It is typically an incidental finding, most often occurring in adults between 30 and 50 years of age (16). The prevalence of splenic hemangioma at autopsy ranges from 0.3% to 14%.
What is a low density lesion?
Low density lesions include edema and necrosis. Similar to gadolinium in MRI, iodinated contrast agents are used in CT to demonstrate vascular structures and breakdown of the blood-brain barrier. The latter most often occur in tumors, infection and inflammation.
What is the most common benign tumor of the spleen?
Hemangioma is the most common benign neoplasm of spleen and most splenic hemangiomas are found incidentally on imaging. Rarely they can be multiple or diffuse as seen in hemangiomatosis or be associated with generalized angiomatosis syndromes.
What can cause spleen lesions?
The causes of splenomegaly are myriad and include portal hypertension, liver disease, hematologic malignancies, infection, inflammation, and primary splenic disease. Ultrasound or computerized tomography (CT) imaging studies can reveal a solitary splenic lesion.
Are spleen nodules common?
There are often multiple or diffuse nodules throughout the spleen and only rarely is a solitary splenic mass discovered. Retroperitoneal lymphadenopathy is a common associated finding, but this may not be present in primary splenic or extranodal lymphoma.
What are the etiologies of lesions in the spleen?
Lesions in the spleen may be encountered in a variety of clinical settings ranging from asymptomatic patients to patients who are critically ill. Etiologies for multifocal splenic lesions include infectious and inflammatory processes, primary vascular and lymphoid neoplasms, metastatic disease, vasc …
What are hypoechoic nodules in spleen?
On ultrasound, the nodules have been described as hypoechoic to slightly hyperechoic or inhomogeneous. On CT, the nodules are hypodense relative to adjacent normal spleen after intravenous administration of a contrast agent ( Fig. 105-15 ).
What are focal hypodense lesions of the spleen on CT?
Focal hypodense lesions of the spleen are frequently encountered on computed tomography (CT) images of the abdomen. Although the majority of hypodense splenic lesions do not require dedicated management or follow-up, some findings warrant closer attention [1].
How are ovoid lesions diagrammed?
Fig. 2.- The ovoid lesions are diagrammed as elliptical, speckled densities whose major axes are perpendicular to anteroposterior axis of head. 3 4. in the peri ventricular white matter with their major axes point ing perpendicular to the anteroposterior axis of the head.