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Splenic infarction is a condition in which blood flow supply to the spleen is compromised, [1] leading to partial or complete infarction (tissue death due to oxygen shortage) in the organ. [2] Splenic infarction occurs when the splenic artery or one of its branches are occluded, for example by a blood clot .
Splenic artery aneurysms are rare, but still the third most common abdominal aneurysm, after aneurysms of the abdominal aorta and iliac arteries. [2] [3] They may occur in pregnant women in the third trimester and rupture carries a maternal mortality of greater than 50% and a fetal mortality of 70 to 90%.
Other symptoms can develop based on the cause. For example, if portal vein thrombosis develops due to liver cirrhosis , bleeding or other signs of liver disease may be present. If portal vein thrombosis develops due to pylephlebitis , signs of infection such as fever, chills, or night sweats may be present.
Symptoms can occur when the aneurysm pushes on a structure in the brain. Symptoms will depend on whether an aneurysm has ruptured or not. There may be no symptoms present at all until the aneurysm ruptures. [21] For an aneurysm that has not ruptured the following symptoms can occur: [citation needed] Fatigue; Loss of perception; Loss of balance
Splenomegaly is an enlargement of the spleen. [1] The spleen usually lies in the left upper quadrant (LUQ) of the human abdomen.Splenomegaly is one of the four cardinal signs of hypersplenism which include: some reduction in number of circulating blood cells affecting granulocytes, erythrocytes or platelets in any combination; a compensatory proliferative response in the bone marrow; and the ...
Small aneurysms (less than 7 mm) have a low risk of rupture and increase in size slowly. [44] The risk of rupture is less than one percent for aneurysms of this size. [44] The prognosis for a ruptured cerebral aneurysm depends on the extent and location of the aneurysm, the person's age, general health, and neurological condition. Some ...
If an individual's spleen is enlarged, as is frequent in mononucleosis, most physicians will advise against activities (such as contact sports) where injury to the abdomen could be catastrophic. [10] Patients whose spleens have been removed via a splenectomy must receive immunizations to help prevent infections such as pneumonia. This helps to ...
The spleen is an important organ in regard to immunological function due to its ability to efficiently destroy encapsulated bacteria. Therefore, removal of the spleen runs the risk of overwhelming post-splenectomy infection , a medical emergency and rapidly fatal disease caused by the inability of the body's immune system to properly fight ...