Kost·mann syn·drome

(kōst'wahn),

severe infantile agranulocytosis, an inherited disorder of infancy characterized by severe, recurrent infections and neutropenia.

Farlex Partner Medical Dictionary © Farlex 2012

Kostmann syndrome

A haematopoietic disorder (OMIM:610738) characterised by maturational arrest of granulopoiesis at the promyelocyte stage, resulting in an absolute neutrophil count below 0.5 x 109/l and early severe bacterial infections (neutrophil-limited disease occurs in patients with mutations of HAX1 isoform 1). Some patients also have neurological manifestations (e.g., psychomotor retardation and seizures), which result from mutations of HAX1 isoforms 1 and 5.

Management
Filgrastim, a granulocyte colony-stimulating factor analog, improves neutrophil counts and immune function. While it is the mainstay of therapy, its use is linked to an increased risk of myelofibrosis and acute myeloid leukaemia.

Molecular pathology
Defects of HAX1, which encodes a protein that promotes cell survival, cause Kostmann syndrome.

Kostmann,

Rolf, Swedish pediatrician, 1909–.

Kostmann disease - genetic predisposition for developing acute leukemia. Synonym(s): Kostmann syndrome

Kostmann syndrome - Synonym(s): Kostmann disease

Medical Eponyms © Farlex 2012

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References in periodicals archive

There are several categories of genetic neutropenia, including congenital neutropenia, also called Kostmann syndrome; cyclic neutropenia; and autoimmune neutropenia.

Understanding neutropenia

Welte, "Kostmann syndrome and severe congenital neutropenia," Seminars in Hematology, vol.

Hori et al., "Successful unrelated BMT in a patient with Kostmann syndrome complicated by pre-transplant pulmonary 'bacterial' abscesses," Bone Marrow Transplantation, vol.

Allogeneic Transplant in ELANE and MEFV Mutation Positive Severe Cyclic Neutropenia: Review of Prognostic Factors for Secondary Severe Events

Kostmann syndrome was described by Swedish Kostmann for the first time in 1956.

As emphasized in the part of Kostmann syndrome, the claims that G-CSF treatment causes to malignant transformation especially in patients with congenital neutropenia constitute the side effect which is discussed to the greatest extent.

Approach to the patient with neutropenia in childhood

Severe congenital neutropenia (SCN) was identified by Kostmann, a Swedish pediatrician, in 1956 as "a new recessive lethal disease in man" (Kostmann syndrome) [2].

New insights into the genetics of congenital neutropenia/Konjenital notropenilere genetik bakys

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