KnarikVArkunMD

Pathology • Richmond, VA

Cytopathology, Neuropathology, Anatomic Pathology, Clinical Pathology

Assistant Professor, Pathology, Virginia Commonwealth University, Medical College of Virginia School of Medicine

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Office
1101 E Marshall St
Pathology Suite 5-018
Richmond, VA 23298
Phone+1 804-828-9739
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Education & Training

Albert Einstein College of MedicineFellowship, Neuropathology, 2009 - 2011
Zucker School of Medicine at Hofstra/Northwell at Lenox Hill HospitalResidency, Pathology-Anatomic and Clinical, 2005 - 2009
Yerevan State Medical UniversityClass of 1997

Certifications & Licensure

MA State Medical License 2014 - 2024
VA State Medical License 2011 - 2014
NY State Medical License 2009 - 2011
American Board of Pathology Pathology - Anatomic/Pathology - Clinical
American Board of Pathology Neuropathology

Publications & Presentations

PubMed

Double-stranded RNA immunohistochemistry as a screening tool for viral encephalitis.
Anne Piantadosi, Nima Shariatzadeh, Andrei Bombin, Knarik Arkun, Sanda Alexandrescu, B K Kleinschmidt-DeMasters, Isaac H Solomon> ;American Journal of Clinical Pathology. 2023 May 4
Safety and feasibility of selective tongue fat reduction with injected ice-slurry.
Michael Ian Orestes, Sara Moradi Tuchayi, Ying Wang, William Farinelli, Knarik Arkun, R Rox Anderson, Richard Thomas, Lilit Garibyan> ;Laryngoscope Investigative Otolaryngology. 2022 Oct 1
The Relationship Between Wild-Type Transthyretin Amyloid Load and Ligamentum Flavum Thickness in Lumbar Stenosis Patients.
Andy Y Wang, Harleen Saini, Joseph N Tingen, Vaishnavi Sharma, Alexandra Flores, Diang Liu, Michelle Olmos, Ellen D McPhail, Mina G Safain, James Kryzanski, Knarik Ark...> ;World Neurosurgery. 2022 Aug 1
Lumbar stenosis due to wild-type transthyretin amyloid-induced thickening of the ligamentum flavum: a separate etiology from degeneration of intervertebral discs?
Andy Y Wang, Matthew Kanter, Michelle Olmos, Ellen D McPhail, Mina G Safain, James Kryzanski, Knarik Arkun, Ron I Riesenburger> ;Journal of Neurosurgery. Spine. 2022 Jun 24
Congenital Left Ventricular Diverticulum Complicated by Cardioembolic Stroke.
Yazan Daaboul, Ethan J Rowin, Gregory S Couper, Knarik Arkun, Ayan R Patel> ;CASE. 2022 Apr 1
Tarui Disease Caused by a Novel PFKM Genetic Variant in a Sub-Saharan African Patient.
José Rodríguez-Moreno, Lan Zhou, Knarik Arkun, Deeksha Bali, Dallas Reed, Robert Kalish, Mithila Vullaganti, Taha Bali, Óscar Soto> ;Journal of Clinical Neuromuscular Disease. 2022 Mar 1
1 citations
Unraveling a rare cause of spinal stenosis: Coexistent AL and ATTR amyloidosis involving the ligamentum flavum.
Amandeep Godara, Andy Y Wang, Knarik Arkun, Teresa Fogaren, Adnan S Qamar, Ellen D McPhail, James Kryzanski, Ron Riesenburger, Raymond Comenzo> ;Surgical Neurology International. 2022 Jan 1
Machine Learning Quantification of Amyloid Deposits in Histological Images of Ligamentum Flavum.
Andy Y Wang, Vaishnavi Sharma, Harleen Saini, Joseph N Tingen, Alexandra Flores, Diang Liu, Mina G Safain, James Kryzanski, Ellen D McPhail, Knarik Arkun, Ron I Riesen...> ;Journal of Pathology Informatics. 2022 Jan 1
1 citations
Primary meningeal melanoma masquerading as neurofibromatosis type 2: illustrative case.
Melanie Lang-Orsini, Julian Wu, Carl B Heilman, Alina Kravtsova, Gene Weinstein, Neel Madan, Knarik Arkun> ;Journal of Neurosurgery. Case Lessons. 2021 Nov 15
10 citations
Association between spinal stenosis and wild-type ATTR amyloidosis.
Amandeep Godara, Ron I. Riesenburger, Diana X Zhang, Cindy Varga, Teresa Fogaren, Nauman S Siddiqui, Anthony Yu, Andy Wang, Michael Mastroianni, Richard S. Dowd, Tara ...> ;Amyloid. 2021 Jul 15
8 citations
Middle Ear “Adenoma”: a Neuroendocrine Tumor with Predominant L Cell Differentiation
Sylvia L. Asa, Knarik Arkun, Arthur S. Tischler, Adnan S. Qamar, Fang Ming Deng, Bayardo Perez-Ordonez, Ilan Weinreb, Justin A. Bishop, Bruce M. Wenig, Ozgur Mete> ;Endocrine Pathology. 2021 May 27
5 citations
Lumbar ligamentum flavum burden: Evaluating the role of ATTRwt amyloid deposition in ligamentum flavum thickness at all lumbar levels.
Keith M. George, Nicholas S. Hernandez, Jeffrey M Breton, Baillee Cooper, Richard S. Dowd, Jayde Nail, Anthony Yu, Michael Mastroianni, Andy Wang, Amandeep Godara, Dia...> ;Clinical Neurology and Neurosurgery. 2021 May 25
1 citations
C1-2 cyst presenting with syringobulbia: a case report.
Michael J. Yang, Knarik Arkun, James Kryzanski> ;Journal of Surgical Case Reports. 2021 Apr 1
4 citations
Giant cell myositis associated with concurrent myasthenia gravis: a case-based review of the literature.
Frank A Scangarello, Luisa Angel-Buitrago, Melanie Lang-Orsini, Alexander Geevarghese, Knarik Arkun, Oscar Soto, Mithila Vullaganti, Robert A. Kalish> ;Clinical Rheumatology. 2021 Feb 25
8 citations
Increased thickness of lumbar spine ligamentum flavum in wild-type transthyretin amyloidosis.
Keith M. George, Nicholas S. Hernandez, Jeffrey M Breton, Baillee Cooper, Richard S. Dowd, Jayde Nail, Anthony Yu, Michael Mastroianni, Andy Wang, Amandeep Godara, Dia...> ;Journal of Clinical Neuroscience. 2021 Feb 1
106 citations
Leveraging the antiviral type I interferon system as a first line of defense against SARS-CoV-2 pathogenicity.
Daisy A. Hoagland, Rasmus Møller, Skyler Uhl, Kohei Oishi, Justin J. Frere, Ilona Golynker, Shu Horiuchi, Maryline Panis, Daniel Blanco-Melo, David H. Sachs, Knarik Ar...> ;Immunity. 2021 Mar 9
Metal allergy hypersensitivity after posterior thoracic spinal fusion: A case report and review of the literature.
Harleen Saini, Andy Y Wang, Jacob J Kosarchuk, Furkan Yigitbilek, Laleh Montaser Kouhsari, Knarik Arkun, Ron I Riesenburger, Mina G Safain> ;Surgical Neurology International. 2021 Jan 1
Cauda Canis: Variation of a Tinel’s Sign for a Sciatic Nerve Tumor
Keith M. George, Shane Burke, Knarik Arkun, Ron I. Riesenburger> ;Case Reports in Neurological Medicine. 2020 Dec 14
Left ventricular assist device outflow graft obstruction development in the original bend relief.
Masashi Kawabori, Taylor Nordan, Knarik Arkun, Gregory S. Couper> ;European Journal of Cardio-Thoracic Surgery. 2020 Dec 1
Cardiac Sarcoidosis Mimicking Hypertrophic Cardiomyopathy: The Importance of Cardiac Magnetic Resonance Imaging
Daniel R. Feldman, Ethan J. Rowin, Richard T. Carrick, Kimberly A. Kado, Knarik Arkun, Jenica N. Upshaw, Christopher Madias> ;JACC. Case Reports. 2020 Nov 1
208 citations
Pathological Findings in the Testes of COVID-19 Patients: Clinical Implications.
Ming Yang, Shuo Chen, Bo Huang, Jing Min Zhong, Hua Su, Yajun Chen, Qin Cao, Lin Ma, Jun He, Xue Fei Li, Xiang Li, Jun Jie Zhou, Jun Fan, Dan Ju Luo, Xiao Na Chang, Kn...> ;European Urology Focus. 2020 Sep 15
5 citations
Adult Monozygotic Twins With Hypertrophic Cardiomyopathy and Identical Disease Expression and Clinical Course
Barry J. Maron, Ethan J. Rowin, Knarik Arkun, Hassan Rastegar, Amy M. Larson, Martin S. Maron, Michael T. Chin> ;The American Journal of Cardiology. 2020 Jul 15
3 citations
Wild-Type Transthyretin Amyloidosis Occurring in the Ligamentum Flavum of the Cervicothoracic Spine.
Keith M. George, Richard S. Dowd, Jayde Nail, Anthony Yu, Michael Mastroianni, Andy Wang, Knarik Arkun, Ayan R. Patel, James Kryzanski, Raymond L. Comenzo, Ron I. Ries...> ;World Neurosurgery. 2020 Jul 8
2 citations
Occipital teratoma in a neonate with CHARGE syndrome: a case report.
Emily Anderson, Robert S. Heller, Knarik Arkun, Jesse Winer> ;Child's Nervous System. 2020 Mar 1
2 citations
Case Report: Metastasis of a Trigeminal Malignant Peripheral Nerve Sheath Tumor to the Corpus Callosum.
Max S. Shutran, David Mosbach, Zachary Tataryn, Knarik Arkun, Julian K. Wu> ;Neurosurgery. 2019 Jan 1
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Hospital Affiliations

Tufts Medical CenterBoston, Massachusetts