Sehar Nigar, Ejaz Ahmed Khan, Tahir Aziz Ahmad.
Leukocyte adhesion defect: An uncommon immunodeficiency.
J Pak Med Assoc Jan ;68(1):199-22.

Leukocyte adhesion deficiency (LAD) is a rare primary immunodeficiency disorder with autosomal recessive inheritance which is characterized by presence of a defect of phagocytic function resulting from a lack of leukocyte cell surface expression of b2 integrin molecules (CD11 and CD18) that are essential for chemotaxis. The classic symptoms of the disease are failure of separation of the umbilical cord and recurrent bacterial infections, which continue throughout life. We describe here two cases of infants who presented with characteristic history of recurrent infections, delayed separation of umbilical cord and marked leukocytosis.

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