eMedicine Specialties > Hematology > Stem Cells and Disorders
Lymphoproliferative Syndrome, X-linked: Differential Diagnoses & Workup
Updated: Sep 15, 2009
- Overview
- Differential Diagnoses & Workup
- Treatment & Medication
- Follow-up
Differential Diagnoses
Other Problems to Be Considered
Hemophagocytic syndrome
Workup
Laboratory Studies
Peripheral blood smears will show atypical lymphocytosis.
Chemistry profiles will show transaminitis and other findings of acute hepatitis.
Coagulations studies will be abnormal in patients with liver failure.
Patients with acute EBV infection will demonstrate positive serologic tests for EBV IgM antibodies and quantitative EBV-specific polymerase chain reaction (EBV-PCR). However, as many as one third of patients in the acute infection phase do not produce antibodies, probably due to impaired lymphocyte function and response to EBV antigens.
A definitive diagnosis of X-linked lymphoproliferative syndrome (XLP) is with mutation analysis for the SH2D1A gene mutation.
Imaging Studies
No specific imaging studies are helpful in X-linked lymphoproliferative syndrome (XLP).
Histologic Findings
Liver biopsy results typically show an intense periportal B-cell lymphoid infiltrate containing EBV-nuclear antigen (EBNA-1) often surrounded by numerous CD8-positive T lymphocytes and NK cells. In later stages, periportal necrosis is observed in most patients. Other organs that can be involved include the liver, heart, brain, and thymus. Findings in the bone marrow are generally reactive.
More on Lymphoproliferative Syndrome, X-linked |
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Differential Diagnoses & Workup: Lymphoproliferative Syndrome, X-linked |
| Treatment & Medication: Lymphoproliferative Syndrome, X-linked |
| Follow-up: Lymphoproliferative Syndrome, X-linked |
| References |
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References
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Further Reading
Keywords
X-linked lymphoproliferative syndrome, X-linked lymphoproliferative disorder, lymphoproliferative disorders, lymphoproliferative diseases, XLP syndrome, Duncan syndrome, Duncan's syndrome, X-linked recessive progressive combined variable immunodeficiency syndrome, familial fatal EBV infection, Purtilo syndrome, Epstein-Barr virus, EBV, infectious mononucleosis, hypogammaglobulinemia, lymphoma
Differential Diagnoses & Workup: Lymphoproliferative Syndrome, X-linked