Cabot rings are rare inclusions seen within the cytoplasm of red blood cells.
Cabot rings:
(1) thread-like blue or purplish ring or figure eight-shaped intraerythrocytic inclusion
(2) remnant of mitotic spindles
(3) contain iron and histones
Cabot rings are seen in dyserythropoiesis associated with:
(1) pernicious anemia
(2) lead poisoning
(3) overwhelming infection
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Purpose: To identify a Cabot ring in a peripheral blood smear.
Specialty: Hematology Oncology
Objective: laboratory tests
ICD-10: ,
