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Nicholas Willard

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Articles 21
Citations 111
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Recent Articles
1.
Gilani A, Willard N, Mulcahy Levy J, Skaugen J, Toland A
Pediatr Dev Pathol . 2024 Dec; :10935266241304711. PMID: 39655782
Tumors are increasingly defined by molecular alterations but approach to cases with discordant histologic and molecular features is unclear. Myxoid glioneuronal tumor (MGNT), histologically similar to dysembryoplastic neuroepithelial tumor (DNET),...
2.
Collins N, Willard N, Pan Z
J Hematop . 2024 Dec; 17(4):281-287. PMID: 39621254
Mast cell sarcoma (MCS) is an extremely rare and aggressive form of mastocytosis characterized by highly atypical mast cells with local invasion, metastatic potential, and poor prognosis. MCS is predominantly...
3.
Lee J, Koo S, Furtado L, Breuer A, Eldomery M, Bag A, et al.
Acta Neuropathol Commun . 2024 Sep; 12(1):143. PMID: 39228008
Neuroepithelial tumors with fusion of PLAGL1 or amplification of PLAGL1/PLAGL2 have recently been described often with ependymoma-like or embryonal histology respectively. To further evaluate emerging entities with PLAG-family genetic alterations,...
4.
Johnson M, Willard N, Pan Z
J Hematop . 2024 Aug; 17(4):265-270. PMID: 39207720
Anaplastic large cell lymphoma (ALCL) is a rare subtype of non-Hodgkin lymphoma, with most cases harboring ALK gene rearrangement (ALK + ALCL); however, 20-50% of ALCLs do not have the...
5.
Zahedi S, Riemondy K, Griesinger A, Donson A, Fu R, Crespo M, et al.
bioRxiv . 2024 Apr; PMID: 38645202
Key Points: There is a developmental hierarchy in neoplastic population comprising of both progenitor-like and mature cell types in both PA and GG.A more immunogenic, immune activating myeloid population is...
6.
Andreiuolo F, Ferrone C, Rajan S, Perry A, Guney E, Cham E, et al.
Acta Neuropathol Commun . 2024 Mar; 12(1):42. PMID: 38500181
Central nervous system (CNS) embryonal tumors are a heterogeneous group of high-grade malignancies, and the increasing clinical use of methylation profiling and next-generation sequencing has led to the identification of...
7.
Amani V, Riemondy K, Fu R, Griesinger A, Grimaldo E, de Sousa G, et al.
Acta Neuropathol Commun . 2023 Sep; 11(1):158. PMID: 37770931
Plexiform neurofibroma (PN) is a leading cause of morbidity in children with the genetic condition Neurofibromatosis Type 1 (NF1), often disfiguring or threatening vital structures. During formation of PN, a...
8.
Griesinger A, Riemondy K, Eswaran N, Donson A, Willard N, Prince E, et al.
iScience . 2023 Sep; 26(9):107585. PMID: 37694144
Ependymoma (EPN) is a devastating childhood brain tumor. Single-cell analyses have illustrated the cellular heterogeneity of EPN tumors, identifying multiple neoplastic cell states including a mesenchymal-differentiated subpopulation which characterizes the...
9.
Gleichmann N, Creighton E, Zhu A, Willard N, Yang J, Herrmann B
Cureus . 2023 Aug; 15(7):e42429. PMID: 37637563
This pediatric case report describes the novel finding of concurrent submental and lingual dermoid cysts, which to our knowledge, has not been previously reported in the literature. The etiology of...
10.
Donson A, Bertrand K, Riemondy K, Gao D, Zhuang Y, Sanford B, et al.
Neuro Oncol . 2023 May; 25(10):1854-1867. PMID: 37246777
Background: Ependymoma (EPN) posterior fossa group A (PFA) has the highest rate of recurrence and the worst prognosis of all EPN molecular groups. At relapse, it is typically incurable even...