Neurology Book

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CSF Leukocyte

Aka: CSF Leukocyte, Cerebrospinal Fluid Cell Leukocyte, CSF White Blood Cell, CSF Cell Count, Pleocytosis, CSF WBC
  1. See Also
    1. Cerebrospinal Fluid Examination
    2. Cerebrospinal Fluid
    3. Lumbar Puncture
  2. Interpretation: Normal Findings
    1. No Polymorphonuclear Lymphocytes (Neutrophils)
      1. Normal CSF may have 1-2 PMNs present
    2. Adults: 5 or less WBC/mm3
    3. Newborns: 20 or less WBC/mm3
  3. Interpretation: Correction of WBCs for CSF RBC
    1. One WBC for every 500-1000 CSF RBCs
  4. Interpretation: Cell Differential
    1. Differential does not distinguish Bacterial from viral
      1. Lymphocyte predominance in 10% Bacterial Meningitis
    2. Monocytes (Up to 50 cells/mm3)
      1. Guillain-Barre Syndrome
      2. Multiple Sclerosis
    3. Eosinophils
      1. Intracranial Parasite infection
      2. Aseptic Meningitis
      3. Malignancy
      4. Ventriculoperitoneal Shunt
  5. Interpretation: Pleocytosis (WBCs in CSF) Causes
    1. Bacterial Meningitis
      1. PMNs predominate
      2. CSF WBCs >100/mm3 in 99% of cases (>1000 for most)
    2. Viral Meningitis
      1. Lymphocytes predominate
      2. CSF WBCs usually <100/mm3
    3. Chronic intracranial inflammation (Lymphocytes)
    4. Subarachnoid Hemorrhage
    5. Thrombosis
    6. Infectious Mononucleosis
    7. CNS Parasitic Infection (Eosinophils predominate)
    8. Carcinomatous Meningitis (<100 cells)
  6. Interpretation: Examination pointers
    1. Acetic acid lyses CSF RBCs but leaves CSF WBCs intact
    2. Methylene blue distinguishes PMNs and Lymphocytes
  7. References
    1. Kooiker in Roberts (1998) Procedures in ER, p. 1067-75
    2. Ravel (1995) Lab Medicine, Mosby, p. 294-9
    3. Tunkel in Mandell (2000) Infectious Disease, p. 974-8
    4. Seehusen (2003) Am Fam Physician 68:1103-8 [PubMed]

Pleocytosis (C0151857)

Definition (SCTSPA) Presencia de una cantidad de células mayor que la normal en el líquido cefalorraquídeo
Definition (SNOMEDCT_US) Presence of greater than normal number of cells in the cerebrospinal fluid
Definition (NCI) Abnormally high cell count in a body fluid.
Concepts Disease or Syndrome (T047)
MSH D007964
SnomedCT 91454002
English PLEOCYTOSIS, Pleocytosis of cerebrospinal fluid, Pleocytoses, pleocytosis, csf pleocytosis, Pleocytosis of CSF, Pleocytosis of cerebrospinal fluid (finding), Pleocytosis
Spanish pleocitosis del líquido cefalorraquídeo, Pleocitosis, PLEOCITOSIS, pleocitosis del líquido cefalorraquídeo (hallazgo), pleocitosis
Italian Pleiocitosi, Pleocitosi
Japanese 髄液細胞増加症, ズイエキサイボウゾウカショウ
Portuguese Pleocitose, PLEOCITOSE
French Pléocytose, PLEIOCYTOSE, Pléiocytose
German Pleozytose, PLEOZYTOSE
Czech Pleocytóza, pleocytóza
Hungarian Pleocytosis
Norwegian Pleocytose
Dutch pleocytose, Pleiocytose
Sources
Derived from the NIH UMLS (Unified Medical Language System)


Leukocytes:NCnc:Pt:CSF:Qn (C0942430)

Concepts Clinical Attribute (T201)
LNC 26465-5
English WBC # CSF, Leukocytes:NCnc:Pt:CSF:Qn, Leukocytes [#/volume] in Cerebral spinal fluid, Leukocytes:Number Concentration (count/vol):Point in time:Cerebral spinal fluid:Quantitative
Sources
Derived from the NIH UMLS (Unified Medical Language System)


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