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Kostmann Syndrome is a severe, rare, inherited blood disorder. It is a type of severe congenital neutropenia, characterized by a near-complete lack of neutrophils (a type of white blood cell) necessary for fighting bacterial infections.
read more about kostmann syndrome ...The cause is a genetic mutation that affects bone marrow cell production. The bone marrow fails to produce neutrophils, leaving the patient severely vulnerable to bacterial infections, as neutrophils are the body's primary defense. This failure is often detected immediately after birth. The severe lack of these immune cells makes even common bacteria life-threatening.
Symptoms define severe immune failure. Infants experience recurrent, severe bacterial infections (respiratory, skin, and urinary tract) that are often accompanied by high fevers. These infections can be overwhelming, necessitating urgent hospitalization and powerful intravenous antibiotics.
Kostmann Syndrome severely impacts eye health due to the lack of immune defense. Patients are highly susceptible to severe, recurrent eye infections, such as corneal ulcers and endophthalmitis (internal eye infection). A common finding is severe bacterial conjunctivitis that is difficult to treat and can threaten vision.
Diagnosis relies on a complete blood count (CBC), which shows extremely low neutrophil levels (absolute neutropenia). A bone marrow biopsy is necessary to confirm the absence of neutrophil precursor cells.
Necessary treatments focus on increasing neutrophil count. This involves Granulocyte Colony-Stimulating Factor (G-CSF) injections to stimulate neutrophil production. A hematopoietic stem cell transplant (bone marrow transplant) is often the necessary cure for long-term survival.
Yes, a successful bone marrow transplant can cure the underlying immune defect.
Neutrophil count is usually below 500 cells per microliter in patients with this syndrome, which is dangerously low.
No, the condition is a congenital genetic disorder, not an infection.
Seek emergency care for any fever in a child with Kostmann Syndrome (Severe Congenital Neutropenia). Because they lack white blood cells to fight bacteria, minor infections can become life-threatening. Chronic eye infections and "Gingivitis" are common early warning signs of this immune failure.
Immune Deficiency Foundation. Neutropenia (primaryimmune.org). 2024.
NORD. Kostmann Disease (rarediseases.org). 2024.
Mayo Clinic. Low White Blood Cell Count (mayoclinic.org). 2024.
StatPearls. Congenital Neutropenia (ncbi.nlm.nih.gov). 2024.