Rosai Dorfman disease

Rosai Dorfman Disease in an Infant
Rosai Dorfman disease Rosai-Dorfman disease (RDD) also called Rosai-Dorfman-Destombes disease or sinus histiocytosis with massive lymphadenopathy (SHML), is a rare benign non-Langerhans cell histiocytosis which is
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Erdheim Chester disease

Erdheim–Chester disease
Erdheim–Chester disease Erdheim-Chester disease (ECD) also known as lipid granulomatosis or polyostotic sclerosing histiocytosis, is a rare slow-growing blood cancer, a non-Langerhans cell histiocytosis neoplasm, which
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Langerhans cell histiocytosis

Langerhans cell histiocytosis
What is Langerhans cell histiocytosis Langerhans cell histiocytosis (LCH) previously referred to as Hand‐Schuller‐Christian disease, Letterer‐Siwe disease, eosinophilic granuloma or histiocytosis X, is a rare
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Ectopia lentis

ectopia-lentis
What is ectopia lentis Ectopia lentis is defined as dislocation or displacement of the natural crystalline lens of the eye ((Nelson LB, Maumenee IH. Ectopia
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Rhesus disease

Rhesus disease
Rhesus disease Rhesus disease also called Rh incompatibility or Rh disease, is a dangerous kind of anemia. Anemia is when a person doesn’t have enough
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Rh incompatibility

Rh-incompatibility
What is Rh incompatibility Rhesus (Rh) incompatibility happens when your blood is Rh-negative and your baby’s blood is Rh-positive. This means your blood and your
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Rh factor

Rh factor
What is Rh factor Rh factor also called Rhesus factor is a protein (a type of antigen) that’s found on some people’s red blood cells. The Rh
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