Langerhans cell histiocytosis laboratory tests: Difference between revisions
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====Urinalysis==== | ====Urinalysis==== | ||
====Immunohistochemistry==== | ====Immunohistochemistry==== | ||
*Diagnosis of LCH is confirmed [[histologically]] by [[tissue]] [[biopsy]]. | *Diagnosis of LCH is confirmed [[histologically]] by [[tissue]] [[biopsy]]. | ||
*Haemotoxilin-eosin stain of biopsy slide will show features of Langerhans cell e.g. distinct cell margin, pink granular [[cytoplasm]]. Presence of [[Birbeck granules]] on [[electron microscopy]] and [[immuno-cytochemistry|immuno-cytochemical]] features e. g. [[CD1]] positivity are more specific. | *Haemotoxilin-eosin stain of biopsy slide will show features of Langerhans cell e.g. distinct cell margin, pink granular [[cytoplasm]]. Presence of [[Birbeck granules]] on [[electron microscopy]] and [[immuno-cytochemistry|immuno-cytochemical]] features e. g. [[CD1]] positivity are more specific. |
Revision as of 20:55, 4 February 2016
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Haytham Allaham, M.D. [2]
Overview
Laboratory Findings
Complete Blood Count
- Anemia
- Thrombocytopenia
- Elevated erythrocyte sedimentation rate
Basic Metabolic Panel
Urinalysis
Immunohistochemistry
- Diagnosis of LCH is confirmed histologically by tissue biopsy.
- Haemotoxilin-eosin stain of biopsy slide will show features of Langerhans cell e.g. distinct cell margin, pink granular cytoplasm. Presence of Birbeck granules on electron microscopy and immuno-cytochemical features e. g. CD1 positivity are more specific.
- Initially routine blood tests e.g. full blood count, liver function test, U&Es, bone profile are done to determine disease extent and rule out other causes.
- Assessment of endocrine function and bone marrow biopsy are also performed when indicated.