Case 2012-09 Diagnostic Slide Session AANP - Annual Meeting Saturday, June 23, 2012 David Pisapia,...
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Case 2012-09
Diagnostic Slide SessionAANP - Annual MeetingSaturday, June 23, 2012
David Pisapia, M.D.
Neuropathology Fellow
Department of Pathology & Cell Biology
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Clinical History
5/2010
CLL
67-year-old woman
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Clinical History
5/2010
CLL
8/2011
Bendamustine
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Clinical History
5/2010
CLL
8/2011
Bendamustine
11/2011
CVP
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Clinical History
5/2010
CLL
5 days PTA
Chest painSinus tachMetoprololDigoxin
8/2011
Bendamustine
11/2011
CVP
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Clinical History
5/2010
CLL
5 days PTA
Chest painSinus tachMetoprololDigoxin
Admission
AtaxiaVertigoParesthesiaWeakness
8/2011
Bendamustine
11/2011
CVP
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Clinical History
5/2010
CLL
5 days PTA
Chest painSinus tachMetoprololDigoxin
Admission
AtaxiaVertigoParesthesiaWeakness
8/2011
Bendamustine
11/2011
CVP
Day 4
ComatoseBrain Biopsy
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Clinical History
5/2010
CLL
5 days PTA
Chest painSinus tachMetoprololDigoxin
Admission
AtaxiaVertigoParesthesiaWeakness
8/2011
Bendamustine
11/2011
CVP
Day 4
ComatoseBrain Biopsy
Day 6
Decerebrate posturing
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Clinical History
5/2010
CLL
5 days PTA
Chest painSinus tachMetoprololDigoxin
Admission
AtaxiaVertigoParesthesiaWeakness
8/2011
Bendamustine
11/2011
CVP
Day 4
ComatoseBrain Biopsy
Day 6
Decerebrate posturing
Day 8
Death
8 days
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T2 FLAIR
Day 2 Day 3 Day 5
• Punctate signal on diffusion-weighted imaging (DWI) progressed to diffuse DWI signal throughout the white matter
• No contrast enhancement was seen at any point
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Clinical Differential Diagnosis
• Richter’s transformation• Primary CNS lymphoma with leukemic
phase• Opportunistic infection• Vasculopathy
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Right frontal cortex
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• Diagnosis?
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Differential diagnosis
• Vasculopathy (e.g., toxic)
• Neoplastic• Infectious (e.g., viral)
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PAS
• PAS +• Congo red –• Beta-amyloid –• GFAP –
• NF: swollen axons• LFB: no evidence of
demyelination
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IgM IgG
Lambda Kappa
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Final diagnosis:
Encephalopathy associated with monoclonal IgM lambda protein deposition
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CSF flow cytometry
LAMBDA
KAPPA
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Three weeks prior to admission
Serum immunofixation electrophoresis (IFE)
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Monoclonal gammopathies in CLL and LPL
LPLCLL
2.5% IgM paraprotein
Yin et al. Am J Clin Pathol. 2005 Apr;123(4):594-602
WM
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Monoclonal gammopathies in CLL and LPL
LPLCLL
2.5% IgM paraprotein
WM
B-cell Neoplasms
Monoclonalparaproteins
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Features of CLL in this patient
PARAMETER RELATIONSHIP TO CLL
CD5 dim/partial ATYPICAL
CD43 negative ATYPICAL
CD23 positive TYPICAL
13q deletion TYPICAL
TP53 deletion POOR PROGNOSTIC INDICATOR
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Nervous system manifestations in patients withIgM gammopathy (in WM)
Peripheral Neuropathy
Hyper-viscosity
ParaproteinDeposition
Direct tumorinvolvement
IgM
Autoantibody
Transformationto high grade
lymphoma
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Acknowledgments
Neuropathology• John Crary• James Goldman• Peter Canoll• Phyllis Faust• Kurenai Tanji• Jean Paul Vonsattel• Andy Teich• Nadia Tsankova
Renal pathology• Vivette D’Agati
Clinical Pathology• Tilla Worgall
Hematopathology• Govind Baghat• Bashir Alobeid
Neuroradiology• Alexander Khandji
Neurology• Kiwon Lee
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References
• Baehring, JM, Hochberg, FH, et al. Neurological manifestations of Waldenstrom Macroglobulinemia. Nature Clinical Practice, Neurology. 2008 Oct;4(10):547-56.
• Lehmann, H.C. et al. Central nervous system involvement in patient’s with monoclonal gammopathy and polyneuropathy. European Journal of Neurology. 2010, 17: 1075-1081.
• Malkani, R.G. et al. Bing-Neel syndrome: an illustrative case and a comprehensive review of the published literature. Journal of Neurooncology. 2010 96:301-312.
• Vitolo U et al. Lymphoplasmacytic lymphoma-Waldenstrom's macroglobulinemia. Crit Rev Oncol Hematol. 2008 Aug;67(2):172-85.
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Bing-Neel Syndrome
• First described in 1936 by Jens Bing and Axel Neel
• Has no “precise pathologic correlate” • (1984) Scheithauer et al.
• “Should be reserved for invasion of lymphoplasmacytic neuraxis by lymphoplasmacytic cells of WM origin”
• (2008) FH Hochberg et al.
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