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			== Cabot_rings ==
			<gallery>
			File:Cabotsringbody.jpg
			File:CabotMejo.jpg
			</gallery>

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'''Cabot Rings''' are thin, thread-like inclusions found in the red blood cells. They are named after the American physician [[Richard Clarke Cabot]], who first described them in 1903. Cabot rings are considered a type of [[inclusion body]] and are often associated with certain types of [[anemia]] and other blood disorders.

== Formation and Composition ==
Cabot rings are composed of [[mitotic spindle]] remnants, specifically [[microtubules]], that have been trapped within the red blood cell during its formation. They are typically seen in conditions where there is a disruption in the normal maturation process of the red blood cells, such as in [[megaloblastic anemia]] and [[lead poisoning]].

== Appearance ==
Under a microscope, Cabot rings appear as thin, red-violet, thread-like rings or figure-eight structures. They can also sometimes appear as twisted loops or coils. The presence of Cabot rings in a blood smear is a rare finding and is usually indicative of a serious underlying condition.

== Clinical Significance ==
The presence of Cabot rings in the red blood cells is a sign of ineffective [[erythropoiesis]], the process by which new red blood cells are produced. This can occur in conditions such as [[pernicious anemia]], where there is a deficiency of [[vitamin B12]], and in [[myelodysplastic syndromes]], a group of disorders characterized by abnormal development of the blood cells in the [[bone marrow]].

== Diagnosis ==
The diagnosis of Cabot rings is made by examining a [[blood smear]] under a microscope. However, because they are a rare finding, their presence is often overlooked. Therefore, a high degree of suspicion is required when examining blood smears in patients with suspected blood disorders.

== Treatment ==
The treatment for Cabot rings involves addressing the underlying condition that is causing the ineffective erythropoiesis. This may involve supplementation with vitamin B12 in cases of pernicious anemia, or more complex treatments such as [[chemotherapy]] or [[bone marrow transplant]] in cases of myelodysplastic syndromes.

[[Category:Blood]]
[[Category:Anemia]]
[[Category:Medical signs]]
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Cabot rings - Revision history

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