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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. [3]
In human anatomy, the splenic artery or lienal artery, an older term, is the blood vessel that supplies oxygenated blood to the spleen. It branches from the celiac artery, and follows a course superior to the pancreas. It is known for its tortuous path to the spleen.
Splenosis in the abdominal category may occur in up to 65% of traumatic ruptures of the spleen. [3] Splenosis in the thoracic cavity is rarer, because it requires the simultaneous rupture of the diaphragm. The implantation of spleen tissue under the skin may result from abdominal surgery or gunshot wounds. Splenosis of the brain or liver is ...
The spleen of horses stores roughly 30 percent of the red blood cells and can release them when needed. [20] In humans, up to a cup (240 ml) of red blood cells is held within the spleen and released in cases of hypovolemia [21] and hypoxia. [22] It can store platelets in case of an emergency and also clears old platelets from the circulation.
This category reflects the organization of International Statistical Classification of Diseases and Related Health Problems, 10th Revision. Generally, diseases outlined within the ICD-10 codes D73 within Chapter III: Diseases of the blood and blood-forming organs, and certain disorders involving the immune mechanism should be included in this category.
This is an incomplete list, which may never be able to satisfy certain standards for completion. There are many conditions of or affecting the human hematologic system—the biological system that includes plasma, platelets, leukocytes, and erythrocytes, the major components of blood and the bone marrow. [1]
Infarction occurs as a result of prolonged ischemia, which is the insufficient supply of oxygen and nutrition to an area of tissue due to a disruption in blood supply. [5] The blood vessel supplying the affected area of tissue may be blocked due to an obstruction in the vessel (e.g., an arterial embolus, thrombus, or atherosclerotic plaque ...
Autosplenectomy can occur in cases of sickle-cell disease where the misshapen cells block blood flow to the spleen, causing scarring and eventual atrophy of the organ. [2] Autosplenectomy is a rare condition that is linked to certain diseases but is not a common occurrence. It is also seen in systemic lupus erythematosus (SLE).