Diagnostic Slide Session

American Association of Neuropathologists

O.T. Bailey-Helena Riggs Award (2005 - present)
(Download Printable pdf)





Case (with links)


Thomas Zaikos, MD, PhD; Jason Savell, MD; Fausto Rodriguez, MD; Meaghan Morris, MD, PhD; Peter Burger, MD

Honorable Mention: Lorraina J. Robinson, DO, MS; Christian Davidson, MD; Joshua M. Klonoski, MD, PhD; Eric A. Goold, MD

Best Neurodegenerative Case: Kathryn Eschbacher, MD, Eleni Constantopoulos, MHS, PA(ASCP), and Aivi Nguyen, MD

Johns Hopkins Medicine





University of Utah Health





Mayo Clinic, Rochester, MN

Chronic inflammation and JC virus granule cell neuronopathy





Microangiopathic leukoencephalopathy associated with COL4A1 mutation




Neuronal intranuclear inclusion disease. Lew body disease, limbic (transitional) type.


M. Adelita Vizcaino

Best Neurodegenerative Case:
Lucy Evans

Mayo Clinic Rochester, MD

University of Iowa

Angiomatoid fibrous histiocytoma with rhabdoid features 

Juvenile neuronal ceroid lipofuscinosis/CLN3 disease (Batten Disease)


Emily Sloan

Best Neurodegenerative Case:
Julieann C. Lee

University of California - San Francisco

University of California - San Francisco


Donor-derived glioneuronal proliferation following intrathecal stem cell injection

Neurodegeneration with features of a neuroferritinopathy


Jason A. Gregory


Best Neurodegenerative Cases:  
Anne Shepler
Aivi Nguyen

University of Florida


University of Pittsburgh
University of Pennsylvania

Glioneuronal hamartomatous proliferation of the brainstem in a patient with fibrodysplasia ossificans progressiva

Basophilic inclusion body disease
Progressive supranuclear palsy (PSP) with 4R-tau positive Pick body-like inclusions



Drew Williamson

Honorable Mention:
  Andrew R. Guajardo

University Hospitals Cleveland Medical Center

Johns Hopkins University

Cortical Dysplasia (radiation-induced)

Dyskeratosis Congenita, Hoyeraal-Hreidarsson Variant



Elaine S. Keung

Walter Reed National Military Medical Center

Chondroid Lipoma


Phedias Diamandis, MD

University of Toronto

Malignant fat-forming solitary fibrous tumor


Matthew D. Cykowski

Baylor College of Medicine

Chagas disease; trypanosomiasis


Gerald Reis

University of California, San Francisco

Cerebromeningeal hemophagocytic lymphohistiocytosis


Joshua Menke

Mayo Clinic, Rochester, MN

Toxic spongiform leukoencephalopathy


Pedro Ciarlini

University Hospitals Case Medical Center

Necrotizing eosinophilic meningoencephalitis


Sriram Venneti

University of Pennsylvania

Epithelial and spindle (sarcomatous) and chondroid (mesenchymal) elements


Craig Horbinski

University of Pittsburgh

Inflammatory pseudotumor in a patient with serum anti-aquaporin-4 antibody (neuromyelitis optica, or Devic's disease)


Gabrielle Yeaney

University of Pittsburgh

Diffuse malignant Schwannian leptomeningeal sarcomatosis



C. Dirk Keene

University of Washington

Viable fetal neural tissue grafts with associated marked gliosis



Lili-Nazna Hazrati

University of Toronto

Desmoplastic infantile ganglioglioma



Kathryn McFadden

University of Pittsburgh

Neuronal intranuclear inclusion disease (NIID), juvenile-sporadic



(Drs. Rebecca Folkerth, Betty Kleinscmidt-DeMasters, Tejus Bale, Caterina Giannini)