Impact of New Predictors on Corrected Consensus TC Track Forecast Error James S. Goerss
Diagnostic Slide Session Case 2010-5 Sandra Camelo-Piragua 1, Ronald A Goerss 2 and David N Louis 1...
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Transcript of Diagnostic Slide Session Case 2010-5 Sandra Camelo-Piragua 1, Ronald A Goerss 2 and David N Louis 1...
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Diagnostic Slide Session
Case 2010-5
Sandra Camelo-Piragua1, Ronald A Goerss2 and David N Louis1
1 Pathology Department, Massachusetts General Hospital, Boston, MA2 Pathology Department, South Miami Hospital, Miami , FL
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18 mo ago 10 mo ago Presentation NormalLymphocytes (cells/ul) 1012 888 1890 680-3280
CD3+ (cells/ul) 921 755 1474 850-4950
CD3+CD4+ (cells/ul) 71 36 346 350-1800
CD3+CD8+ (cells/ul) 840 684 1191 250-2200
Helper/suppressor ratio 0.08 0.05 0.21 0.9-3.5
HIV PCR-QN copies/ml 157910 244580 3580
DSS 2010-5•38-year-old man who presented with seizures in 2009, after a year of fluctuating neurological symptoms.
•History of HIV, ongoing cocaine use and intermittent compliance with his anti-HIV regimen.
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Axial FLAIR (1-26-2009)
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H&E
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DIFFERENTIAL DIAGNOSIS
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Special stains:- AFB- GMS
Immunohistochemistry:- HSV1- HSV2- CMV- HHV8
Ancillary Studies
NEGATIVE
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LHE
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Neurofilament
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SV-40
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CD3 CD20
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CD3 CD20
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CD10 CD21
BCL6 BCL2
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KAPPA (ISH) LAMBDA (ISH)
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Diagnosis
-Progressive Multifocal Leukoencephalopathy (PML)-Patient alive after one year of initial symptoms and radiologic abnormality-Marked and unusual inflammatory infiltrate
-Immune Reconstitution Inflammatory Syndrome (IRIS)-Marked inflammation (on/off anti-HIV therapy)-Differential diagnosis: lymphoma vs. reactive follicles
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References•Vendrely A, Bienvenu B, Gasnault J, Thiebault JB, Salmon D, Gray F. Fulminant inflammatory leukoencephalopathy associated with HAART-induced immune restoration in AIDS-related progressive multifocal leukoencephalopathy. Acta Neuropathol. 2005 Apr;109(4):449-55.
•Cinque P, Bossolasco S, Brambilla AM et al. The effect of highly active antiretroviral therapy-induced immune reconstitution on development and outcome of progressive multifocal leukoencephalopathy: study of 43 cases with review of the literature. J Neurovirol. 2003; 9 Suppl 1:73-80
•Hair LS, Nuovo G, Powers JM, Sisti MB, Britton CB, Miller JR. Progressive multifocal leukoencephalopathy in patients with human immunodeficiency virus. Hum Pathol. 1992 Jun;23(6):663-7
•Miralles P, Berenguer J, Garcia de Viedma D, et al. Treatment of AIDS-associated progressive multifocal leukoencephalopathy with highly active antiretroviral therapy. AIDS. 1998; 12:2467-72
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Diagnosis
-Progressive Multifocal Leukoencephalopathy (PML)-Unusual inflammatory infiltrate
Hair LS et al. Hum Pathol, 1992
-Patient alive after one year of initial symptoms and radiologic abnormality.
-Immune Reconstitution Inflammatory Syndrome (IRIS)-Marked inflammation (On/Off HIV therapy)
Diagnosis:
Differential diagnosis:-Lymphoma
-Reactive follicle formation
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Progressive Multifocal Leukoencephalopathy (PML)
-Demyelinating foci on the cortico-subcortical junction with microglial activation, astrocytosis, and lympho-
plasmocytic infiltration
-PML inclusions at the edge of the demyelinating lesion admixed with inflammation
-Myelin destruction with focal necrosis and cavitation
- Unusual inflammatory infiltrate Hair LS et al. Hum Pathol, 1992
- Patient alive after one year of initial symptoms and radiologic abnormality
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Immune Reconstitution Inflammatory Syndrome (IRIS)
-Acute symptomatic or paradoxical deterioration of a presumed pre-existing infection that is temporarily related to recovery of the immune system
-Marked inflammation (On/Off HIV therapy)
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Immune Reconstitution Inflammatory Syndrome (IRIS)
Diagnostic criteria:-Patient with AIDS
-HAART induced a decrease in HIV-1 VL and an increase in CD-4+ T lymphocytes
-Symptoms consistent with an infection/inflammatory condition appeared while on retroviral therapy
- Symptoms could not be explained by a new acquired infection, the expected course of a previously recognized infection, or side effects of therapy
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PML + IRIS
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1-26-2009
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Cortex White matter