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Total serum tryptase level is elevated in mast cell leukemia.<ref name=wikipedia>Biochemistry of mast cell leukemia. Wikipedia (2015). https://en.wikipedia.org/wiki/Mast_cell_leukemia. Accessed on December 1, 2015</ref>
Total serum tryptase level is elevated in mast cell leukemia.<ref name=wikipedia>Biochemistry of mast cell leukemia. Wikipedia (2015). https://en.wikipedia.org/wiki/Mast_cell_leukemia. Accessed on December 1, 2015</ref>
===Immunohistochemistry===
===Immunohistochemistry===
On immunohistochemistry, characteristic findings of mast cell leukemia include:
On immunohistochemistry, characteristic findings of mast cell leukemia include:<ref name="Georgin-LavialleLhermitte2012">{{cite journal|last1=Georgin-Lavialle|first1=S.|last2=Lhermitte|first2=L.|last3=Dubreuil|first3=P.|last4=Chandesris|first4=M.-O.|last5=Hermine|first5=O.|last6=Damaj|first6=G.|title=Mast cell leukemia|journal=Blood|volume=121|issue=8|year=2012|pages=1285–1295|issn=0006-4971|doi=10.1182/blood-2012-07-442400}}</ref>
*CD2 +ve
*Leukemic mast cells typically express:
*CD25 +ve
:*CD13
*CD117
:*CD33
*CD11c
:*CD68
*CD13
:*CD117
*CD29
*Abnormal mast cells ususally express:<ref name="Georgin-LavialleLhermitte2012">{{cite journal|last1=Georgin-Lavialle|first1=S.|last2=Lhermitte|first2=L.|last3=Dubreuil|first3=P.|last4=Chandesris|first4=M.-O.|last5=Hermine|first5=O.|last6=Damaj|first6=G.|title=Mast cell leukemia|journal=Blood|volume=121|issue=8|year=2012|pages=1285–1295|issn=0006-4971|doi=10.1182/blood-2012-07-442400}}</ref>
*CD33
 
*CD44
:*CD2
*CD45
:*CD25
*CD63
*Other cell surface markers expressed by mast cells are:<ref name="Georgin-LavialleLhermitte2012">{{cite journal|last1=Georgin-Lavialle|first1=S.|last2=Lhermitte|first2=L.|last3=Dubreuil|first3=P.|last4=Chandesris|first4=M.-O.|last5=Hermine|first5=O.|last6=Damaj|first6=G.|title=Mast cell leukemia|journal=Blood|volume=121|issue=8|year=2012|pages=1285–1295|issn=0006-4971|doi=10.1182/blood-2012-07-442400}}</ref>
*CD68
:*CD11c
*CD71
:*CD29
*CD2
:*CD44
*CD22
:*CD45
*CD54
:*CD63
:*CD71
:*CD2
:*CD22
:*CD54
==References==
==References==
{{Reflist|1}}
{{Reflist|2}}

Revision as of 13:30, 1 December 2015

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Nawal Muazam M.D.[2]

Overview

Mast cell leukemia laboratory findings

Laboratory findings consistent with the diagnosis of mast cell leukemia include abnormal complete blood count, biochemistry, immunohistochemistry, and flow cytometry.[1]

Complete Blood Count

Biochemistry

Total serum tryptase level is elevated in mast cell leukemia.[2]

Immunohistochemistry

On immunohistochemistry, characteristic findings of mast cell leukemia include:[3]

  • Leukemic mast cells typically express:
  • CD13
  • CD33
  • CD68
  • CD117
  • Abnormal mast cells ususally express:[3]
  • CD2
  • CD25
  • Other cell surface markers expressed by mast cells are:[3]
  • CD11c
  • CD29
  • CD44
  • CD45
  • CD63
  • CD71
  • CD2
  • CD22
  • CD54

References

  1. ↑ Joris, Magalie; Georgin-Lavialle, Sophie; Chandesris, Marie-Olivia; Lhermitte, Ludovic; Claisse, Jean-François; Canioni, Danielle; Hanssens, Katia; Damaj, Gandhi; Hermine, Olivier; Hamidou, Mohammed (2012). "Mast Cell Leukaemia: c-KIT Mutations Are Not Always Positive". Case Reports in Hematology. 2012: 1–6. doi:10.1155/2012/517546. ISSN 2090-6560.
  2. ↑ Biochemistry of mast cell leukemia. Wikipedia (2015). https://en.wikipedia.org/wiki/Mast_cell_leukemia. Accessed on December 1, 2015
  3. ↑ 3.0 3.1 3.2 Georgin-Lavialle, S.; Lhermitte, L.; Dubreuil, P.; Chandesris, M.-O.; Hermine, O.; Damaj, G. (2012). "Mast cell leukemia". Blood. 121 (8): 1285–1295. doi:10.1182/blood-2012-07-442400. ISSN 0006-4971.
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