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Neutropenia

Aka: Neutropenia, Granulocytopenia, Agranulocytosis, Schultz's Disease, Pseudoneutropenia
  1. See Also
    1. Leukocytosis
    2. Neutrophil
  2. Definition: Neutropenia (Neutrophil Count < 1500/mm3)
    1. Agranulocytosis (severe Neutropenia)
      1. Complete absence of Neutrophils
    2. Neutropenia: Based on Absolute Neutrophil Count (ANC)
      1. Mild Neutropenia: ANC 1000 to 1500 Neutrophils/mm3
      2. Moderate Neutropenia: ANC 500 to 1000 Neutrophils/mm3
      3. Severe Neutropenia: ANC <500 Neutrophils/mm3
  3. Causes
    1. See Neutropenia Causes
  4. Differential Diagnosis: Pseudoneutropenia (automated)
    1. Blood examined after long delay after phlebotomy
    2. Margination (see Neutropenia Causes)
    3. Neutrophil clumping
      1. Paraproteinemia
      2. Anticoagulant use
  5. Signs: Recurrent infection
    1. General
      1. Typical inflammation signs less commonly seen
      2. Swelling and heat less often seen with Neutropenia
    2. Organisms
      1. Staphylococcus aureus (skin)
      2. Gram Negative (Gastrointestinal, Genitourinary)
    3. Early severe Neutropenia
      1. Oropharyngeal infections
      2. Skin Infections or delayed Wound Healing
    4. Persistent severe Neutropenia
      1. Pulmonary infection
      2. Gastrointestinal infection
      3. Sepsis
  6. Labs
    1. Complete Blood Count with Platelet Count
    2. Peripheral Blood Smear
  7. Evaluation: Bone Marrow Biopsy
    1. Indications
      1. Indicated in most Neutropenia cases
      2. Not required in mild Drug-Induced Neutropenia
    2. Increased Granulocytes in Bone Marrow
      1. Suggests increased destruction (e.g. immune)
    3. Decreased Granulocytes in Bone Marrow
      1. Increased cells seen in marrow
        1. Suggests marrow infiltration (e.g. Leukemia)
      2. Decreased cells seen in marrow
        1. Suggests marrow injury (e.g. medications)
  8. Complications
    1. Severe Neutropenia predisposes to serious infection

Agranulocytosis (C0001824)

Definition (NCI) A condition in which there is a lower-than-normal number of granulocytes (a type of white blood cell).
Definition (NCI) A decrease in the number of mature granulocytes (neutrophils, eosinophils, and basophils) in the peripheral blood. -- 2004
Definition (CSP) decrease in the number of granulocytes (basophils, eosinophils, and neutrophils).
Definition (MSH) A decrease in the number of GRANULOCYTES; (BASOPHILS; EOSINOPHILS; and NEUTROPHILS).
Concepts Disease or Syndrome (T047)
MSH D000380
ICD10 D70
SnomedCT 154830007, 142919000, 191350006, 17182001, 191336001, 165508008, 72885007, 310589001, 417672002
English Agranulocytoses, Agranulocytosis, Granulocytopenia, Granulocytopenias, AGRANULOCYTOSIS, GRANULOCYTOPENIA, Granulopenia, Agranulocytosis NOS, agranulocytosis (diagnosis), agranulocytosis, granulocytopenia (diagnosis), granulocytopenia, Agranulocytosis NOS (disorder), Agranulocytosis [Disease/Finding], granulopenia, agranulocytoses, agranulocytosi, Agranulocytosis (disorder), Schultz, Agranulocytosis (finding), Granulocytopenia (disorder), Granulocytopenic disorder (disorder), Granulocytopenic disorder
French AGRANULOCYTOSE, GRANULOCYTOPENIE, Agranulocytose, Granulocytopénie
Portuguese AGRANULOCITOSE, GRANULOCITOPENIA, Agranulocitose, Granulocitopenia
Spanish AGRANULOCITOSIS, GRANULOCITOPENIA, granulocitopenia (trastorno), Agranulocytosis, agranulocitosis (trastorno), agranulocitosis, SAI (trastorno), agranulocitosis, SAI, agranulocitosis, granulocitopenia, granulopenia, agranulocitosis (hallazgo), trastorno granulocitopénico (trastorno), trastorno granulocitopénico, Agranulocitosis, Granulocitopenia
German AGRANULOZYTOSE, GRANULOZYTOPENIE, Agranulozytose, Granulozytopenie
Swedish Agranulocytos
Japanese ｶﾘｭｳｷｭｳｹﾞﾝｼｮｳｼｮｳ, ﾑｶﾘｭｳｷｭｳｼｮｳ, Schultz症候群, 顆粒球減少症, シュルツ症候群, 無顆粒球症, 顆粒球減少
Czech agranulocytóza, granulocytopenie, Agranulocytóza, Granulocytopenie
Finnish Agranulosytoosi
Italian Granulocitopenia, Agranulocitosi
Russian AGRANULOTSITOZ, GRANULOTSITOPENIIA, АГРАНУЛОЦИТОЗ, ГРАНУЛОЦИТОПЕНИЯ
Korean 무과립세포증
Croatian AGRANULOCITOZA
Polish Agranulocytoza, Granulocytopenia
Hungarian granulocytopenia, agranulocytosis
Dutch agranulocytose, granulocytopenie, Agranulocytose, Cytose, agranulo-, Granulocytopenie
Sources
Derived from the NIH UMLS (Unified Medical Language System)


Neutropenia (C0027947)

Definition (MSH) A decrease in the number of NEUTROPHILS found in the blood.
Definition (CSP) decrease in the number of neutrophilic leukocytes in the blood.
Concepts Disease or Syndrome (T047)
MSH D009503
ICD9 288.0, 288.00
ICD10 D70, D70.9
SnomedCT 142928004, 72885007, 165517008, 303011007, 191336001
English Neutropenias, NEUTROPENIA, NEUTROPHILS DECREASED, Neutropenia, NOS, neutropenia (diagnosis), neutropenia, Neutropenia (disorder), Neutropenia, Neutropenia NOS, Neutropenia, unspecified, Neutropenia [Disease/Finding], Neutropenic disorder, Neutropenia (finding), Neutropenic disorder (disorder), Neutropenia (disorder) [Ambiguous], Neutrophil count below reference range
French NEUTROPENIE, Neutropénies, Neutropénie
Portuguese NEUTROPENIA, Neutropenias, Neutropenia
Spanish NEUTROPENIA, Neutropenia, recuento de neutrófilo por debajo de los límites de referencia, recuento de neutrófilos por debajo del rango de referencia, recuento de neutrófilos por debajo del intervalo de referencia, recuento de neutrófilos por debajo del límite inferior de referencia, neutropenia (concepto no activo), neutropenia (hallazgo), neutropenia (trastorno), neutropenia - trastorno (trastorno), neutropenia - trastorno, neutropenia, trastorno neutropénico, Neutropenias
German NEUTROPENIE, Neutropenien, Neutropenie
Italian Neutropenie, Neutropenia
Japanese 好中球減少症, ｺｳﾁｭｳｷｭｳｹﾞﾝｼｮｳｼｮｳ
Swedish Neutropeni
Czech neutropenie, Snížený počet neutrofilů, Neutropenie
Finnish Neutropenia
Russian NEITROPENIIA, НЕЙТРОПЕНИЯ
Croatian NEUTROPENIJA
Polish Neutropenia
Hungarian Neutropeniák, neutropenia
Dutch neutropenie, neutropenieën, Neutropenie
Sources
Derived from the NIH UMLS (Unified Medical Language System)


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