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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).
Acquired asplenia occurs for several reasons: . Following splenectomy due to splenic rupture from trauma or because of tumor; After splenectomy with the goal of interfering with splenic function, as a treatment for diseases (e.g. idiopathic thrombocytopenic purpura, thalassemia, spherocytosis), in which the spleen's usual activity exacerbates the disease
A splenectomy is the surgical procedure that partially or completely removes the spleen.The spleen is an important organ in regard to immunological function due to its ability to efficiently destroy encapsulated bacteria.
Stedman's Medical Dictionary is a medical dictionary developed for medical students, physicians, researchers, and medical language specialists. Entries include medical terms , abbreviations , acronyms , measurements , and more.
Definition page from Amy Pope's 'A medical dictionary for nurses' (1914) A medical dictionary is a lexicon for words used in medicine.The four major medical dictionaries in the United States are Mosby's Dictionary of Medicine, Nursing & Health Professions, Stedman's, Taber's, and Dorland's.
Pappenheimer bodies are visible with a Wright and/or Giemsa stain. Confirmation of non-heme iron in the granules is made with a Perls' Prussian blue stain, and this atypical red blood cell is then known as a siderocyte. [5]
Common causes include asplenia (post-splenectomy) or congenital absence of spleen (right atrial appendage isomerism). Spleens are also removed for therapeutic purposes in conditions like hereditary spherocytosis, trauma to the spleen, and autosplenectomy caused by sickle cell anemia.
In sickle cell disease, repeated splenic infarctions lead to a non-functional spleen (autosplenectomy). Any factor that directly compromises the splenic artery can cause infarction. Examples include abdominal traumas, aortic dissection , torsion of the splenic artery (for example, in wandering spleen ) or external compression on the artery by a ...