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Article ; Online: Universal Precautions Provide Appropriate Protection during Autopsies of Patients with Infectious Diseases.

Kritselis, Michael / Remick, Daniel G

2020 Volume 190, Issue 11, Page(s) 2180–2184

Abstract: The current coronavirus disease 2019 (COVID-19) pandemic has raised concerns about the safety of laboratory personnel who handle tissue samples that harbor pathogens, including those performing autopsies. While pathologists have performed autopsies on ... ...

Abstract	The current coronavirus disease 2019 (COVID-19) pandemic has raised concerns about the safety of laboratory personnel who handle tissue samples that harbor pathogens, including those performing autopsies. While pathologists have performed autopsies on infected decedents for centuries, universal precaution protocols for limiting exposure to pathogens were not developed until the 20th century. This article reviews the history and effectiveness of universal precautions, with an emphasis on performing autopsies on COVID-19 decedents.
MeSH term(s)	Autopsy/methods ; Betacoronavirus/pathogenicity ; COVID-19 ; Communicable Diseases/diagnosis ; Communicable Diseases/pathology ; Coronavirus Infections/diagnosis ; Coronavirus Infections/pathology ; Humans ; Pandemics ; Pneumonia, Viral/diagnosis ; Pneumonia, Viral/pathology ; SARS-CoV-2 ; Universal Precautions/methods
Keywords	covid19
Language	English
Publishing date	2020-08-19
Publishing country	United States
Document type	Journal Article ; Research Support, N.I.H., Extramural ; Review
ZDB-ID	2943-9
ISSN	1525-2191 ; 0002-9440
ISSN (online)	1525-2191
ISSN	0002-9440
DOI	10.1016/j.ajpath.2020.08.005
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Article ; Online: Pearls & Oy-sters: Adult-Onset Craniopharyngioma Presenting With Cognitive Dysfunction and Obstructive Hydrocephalus.

Schroeder, Laura E / Kritselis, Michael / Lala, Nupur / Boxerman, Jerrold / Alhusaini, Saud

Neurology

2023 Volume 101, Issue 21, Page(s) 974–978

MeSH term(s)	Humans ; Adult ; Craniopharyngioma/complications ; Craniopharyngioma/diagnostic imaging ; Hydrocephalus/complications ; Hydrocephalus/diagnostic imaging ; Cognitive Dysfunction/etiology ; Pituitary Neoplasms/diagnosis ; Pituitary Neoplasms/diagnostic imaging
Language	English
Publishing date	2023-10-03
Publishing country	United States
Document type	Journal Article
ZDB-ID	207147-2
ISSN	1526-632X ; 0028-3878
ISSN (online)	1526-632X
ISSN	0028-3878
DOI	10.1212/WNL.0000000000207857
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Article: Universal Precautions Provide Appropriate Protection during Autopsies of Patients with Infectious Diseases

Kritselis, Michael / Remick, Daniel G

Am J Pathol

Abstract	The current coronavirus disease 2019 (COVID-19) pandemic has raised concerns about the safety of laboratory personnel who handle tissue samples that harbor pathogens, including those performing autopsies. While pathologists have performed autopsies on infected decedents for centuries, universal precaution protocols for limiting exposure to pathogens were not developed until the 20th century. This article reviews the history and effectiveness of universal precautions, with an emphasis on performing autopsies on COVID-19 decedents.
Keywords	covid19
Publisher	WHO
Document type	Article
Note	WHO #Covidence: #720402
Database	COVID19

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Article ; Online: An Instructive Case of Cerebral Mucormycosis.

Shao, Belinda / Hagan, Matthew J / Sastry, Rahul A / Kritselis, Michael / Donahue, John E / Toms, Steven A

Rhode Island medical journal (2013)

2022 Volume 105, Issue 2, Page(s) 8–12

Abstract: Background: Mucormycosis can lead to fatal rhinocerebral infection.: Case: A 53-year-old male with diabetes presented with altered mental status. He had been recently discharged from an admission for COVID-19 pneumonia treated with remdesivir and ... ...

Abstract	Background: Mucormycosis can lead to fatal rhinocerebral infection. Case: A 53-year-old male with diabetes presented with altered mental status. He had been recently discharged from an admission for COVID-19 pneumonia treated with remdesivir and methylprednisolone. Imaging demonstrated a large left frontal mass with midline shift suspicious for a primary brain neoplasm. His neurologic exam rapidly declined and the patient was taken to the operating room for decompressive hemicraniectomy. Post-operatively, the patient remained comatose and failed to improve. Autopsy revealed a cerebral mucormycosis infection. Discussion: Despite concern for a primary brain neoplasm the patient was diagnosed postmortem with a mucormycosis infection. Other features supporting this diagnosis included nasal sinusitis on initial scans, his fulminant clinical decline, rapidly progressive imaging findings, and persistent hyperglycemia throughout his clinical course. Conclusion: In an era of high steroid usage to treat COVID-19, mucormycosis infection must be considered in high-risk patients demonstrating disproportionate clinical decline.
MeSH term(s)	Brain Diseases/diagnosis ; Brain Diseases/drug therapy ; COVID-19 ; Humans ; Male ; Middle Aged ; Mucormycosis/diagnosis ; Mucormycosis/drug therapy ; SARS-CoV-2 ; Sinusitis
Language	English
Publishing date	2022-03-01
Publishing country	United States
Document type	Case Reports ; Journal Article
ZDB-ID	419430-5
ISSN	2327-2228 ; 0363-7913
ISSN (online)	2327-2228
ISSN	0363-7913
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Article: Metastatic cervical carcinoma to the brain masquerading as a butterfly glioma: A case report.

Kimata, Anna / Abdulrazeq, Hael / Kritselis, Michael / Riccelli, Tori / Anderson, Matthew / Dowd, Richard / Dellale, Ivana / Sampath, Prakash

Surgical neurology international

2023 Volume 14, Page(s) 275

Abstract: Background: Metastatic cervical cancer to the brain is a rare occurrence, representing approximately 1.5% of metastatic cases. We report a rare presentation of cervical cancer with brain metastasis to the corpus callosum. The patient was initially ... ...

Abstract	Background: Metastatic cervical cancer to the brain is a rare occurrence, representing approximately 1.5% of metastatic cases. We report a rare presentation of cervical cancer with brain metastasis to the corpus callosum. The patient was initially suspected to have a primary glioma but was diagnosed with a metastatic cervical carcinoma lesion through both stereotactic and then opens biopsy. Case description: A 53-year-old female, with Stage III adenosquamous cervical carcinoma, presented with a large heterogeneously enhancing mass in the corpus callosum body with extension in the cingulate gyrus concerning for glioma. A stereotactic biopsy revealed hypercellular and gliotic brain tissue, while an open biopsy showed an epithelioid neoplasm consistent with metastatic cervical adenosquamous carcinoma. The patient underwent a craniotomy and recovered well and was discharged in stable condition. Conclusion: Brain metastases from cervical cancer are uncommon. We present a rare case of metastatic cervical carcinoma which appeared on imaging to mimic a butterfly glioma. The patient's history and histopathological examination were essential in determining the correct diagnosis and receiving timely treatment.
Language	English
Publishing date	2023-08-04
Publishing country	United States
Document type	Case Reports
ISSN	2229-5097
ISSN	2229-5097
DOI	10.25259/SNI_329_2023
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Article ; Online: Diffuse-type tenosynovial giant cell tumor between the suboccipital bone and posterior C1 arch: illustrative case.

Porto, Carl / Ayala, Cameron / Feler, Joshua / Santos-Fontanez, Santos / Poggi, Jonathan / Kritselis, Michael / Doberstein, Curtis

Journal of neurosurgery. Case lessons

2023 Volume 6, Issue 9

Abstract: Background: Tenosynovial giant cell tumor (TGCT) occurs most commonly in the appendicular skeleton and is only rarely found in the vertebral column. Lesions of the craniocervical junction are particularly rare, with only 4 cases reported in the ... ...

Abstract	Background: Tenosynovial giant cell tumor (TGCT) occurs most commonly in the appendicular skeleton and is only rarely found in the vertebral column. Lesions of the craniocervical junction are particularly rare, with only 4 cases reported in the literature. The authors describe the case of a diffuse-type TGCT at the craniocervical junction. Observations: A patient presented with a 1-year history of right-sided neck pain and bilateral neurological symptoms in the distribution of the right occipital nerve. A 20-mm homogeneously contrast-enhancing mass in the suboccipital and posterior C1 region was discovered on magnetic resonance imaging of the cervical spine. The tumor was operated on via a posterior approach, and gross-total resection (GTR) was achieved. Immunohistochemical (IHC) examination revealed a diffuse-type TGCT. The patient had an uneventful recovery. Lessons: TGCT can arise at the craniocervical junction and is easily misdiagnosed because of its rare occurrence. IHC examination of a tumor specimen should be done to confirm the diagnosis. GTR is the objective when treating these tumors, especially when they are the diffuse type, as they have a high recurrence rate. Radiation and small-molecule therapies are viable postoperative therapies if GTR cannot be achieved or in cases of recurrence.
Language	English
Publishing date	2023-08-28
Publishing country	United States
Document type	Journal Article
ISSN	2694-1902
ISSN (online)	2694-1902
DOI	10.3171/CASE23288
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Article: Dimorphic glioblastoma with glial and epithelioid phenotypes: Clonal evolution and immune selection.

Mondia, Mark Willy L / Kritselis, Michael A / Donahue, John E / Elinzano, Heinrich / Sarangi, Sasmit / Bryant, David / Capelletti, Marzia / Korn, W Michael / Yu, Esther / Yan, Sherry / Toms, Steven A / Wong, Eric T

Frontiers in neurology

2023 Volume 13, Page(s) 1017087

Abstract: Purpose: Epithelioid glioblastoma is an unusual histologic variant of malignant glioma. The present study investigates both the genomic and transcriptomic determinants that may promote the development of this tumor.: Methods: Whole-exome sequencing ( ... ...

Abstract	Purpose: Epithelioid glioblastoma is an unusual histologic variant of malignant glioma. The present study investigates both the genomic and transcriptomic determinants that may promote the development of this tumor. Methods: Whole-exome sequencing (WES) and whole-transcriptome sequencing (WTS) were performed on an epithelioid glioblastoma, along with a specific bioinformatic pipeline to generate electronic karyotyping and investigate the tumor immune microenvironment. Microdissected sections containing typical glioblastoma features and epithelioid morphology were analyzed separately using the same methodologies. Results: An epithelioid glioblastoma, with immunopositivity for GFAP, Olig-2, and ATRX but negative for IDH-1 and p53, was identified. The tumor cell content from microdissection was estimated to be 85-90% for both histologic tumor components. WES revealed that both glioma and epithelioid sections contained identical point mutations in Conclusion: Epithelioid glioblastoma may be genomically more unstable and oncogenically more advanced, harboring an increased number of mutations and karyotype abnormalities, compared to typical glioblastomas. The tumor immune microenvironment is also different.
Language	English
Publishing date	2023-01-10
Publishing country	Switzerland
Document type	Journal Article
ZDB-ID	2564214-5
ISSN	1664-2295
ISSN	1664-2295
DOI	10.3389/fneur.2022.1017087
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Article ; Online: BI-RADS 5: More than Cancer.

Dao, Kimberly A / Rives, Anna F / Quintana, Liza M / Kritselis, Michael A / Fishman, Michael D C / Sarangi, Rutuparna / Slanetz, Priscilla J

Radiographics : a review publication of the Radiological Society of North America, Inc

2020 Volume 40, Issue 5, Page(s) 1203–1204

MeSH term(s)	Biopsy ; Breast Neoplasms/diagnostic imaging ; Breast Neoplasms/pathology ; Databases, Factual ; Diagnosis, Differential ; Female ; Humans ; Predictive Value of Tests
Language	English
Publishing date	2020-09-01
Publishing country	United States
Document type	Journal Article
ZDB-ID	603172-9
ISSN	1527-1323 ; 0271-5333
ISSN (online)	1527-1323
ISSN	0271-5333
DOI	10.1148/rg.2020200054
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Article ; Online: SARS-CoV-2 Infection-Associated Hemophagocytic Lymphohistiocytosis.

Prilutskiy, Andrey / Kritselis, Michael / Shevtsov, Artem / Yambayev, Ilyas / Vadlamudi, Charitha / Zhao, Qing / Kataria, Yachana / Sarosiek, Shayna R / Lerner, Adam / Sloan, J Mark / Quillen, Karen / Burks, Eric J

American journal of clinical pathology

2020 Volume 154, Issue 4, Page(s) 466–474

Abstract: Objectives: A subset of coronavirus disease 2019 (COVID-19) patients exhibit clinical features of cytokine storm. However, clinicopathologic features diagnostic of hemophagocytic lymphohistiocytosis (HLH) have not been reported. We studied the ... ...

Abstract	Objectives: A subset of coronavirus disease 2019 (COVID-19) patients exhibit clinical features of cytokine storm. However, clinicopathologic features diagnostic of hemophagocytic lymphohistiocytosis (HLH) have not been reported. We studied the reticuloendothelial organs of 4 consecutive patients who died of COVID-19 and correlated with clinical and laboratory parameters to detect HLH. Methods: Autopsies were performed on 4 patients who died of COVID-19. Routine H&E staining and immunohistochemical staining for CD163 were performed to detect hemophagocytosis. Clinical and laboratory results from premortem blood samples were used to calculate H-scores. Results: All 4 cases demonstrated diffuse alveolar damage within the lungs. Three of the 4 cases had histologic evidence of hemophagocytosis within pulmonary lymph nodes. One case showed hemophagocytosis in the spleen but none showed hemophagocytosis in liver or bone marrow. Lymphophagocytosis was the predominant form of hemophagocytosis observed. One patient showed diagnostic features of HLH with an H-score of 217, while a second patient likely had HLH with a partial H-score of 145 due to a missing triglyceride level. The remaining 2 patients had H-scores of 131 and 96. Conclusions: This is the first report of severe acute respiratory syndrome coronavirus 2-associated HLH. Identification of HLH in a subset of patients with severe COVID-19 will inform clinical trials of therapeutic strategies.
MeSH term(s)	Aged ; Aged, 80 and over ; Autopsy ; Betacoronavirus ; Bone Marrow/pathology ; COVID-19 ; Coronavirus Infections/complications ; Coronavirus Infections/diagnosis ; Coronavirus Infections/pathology ; Fatal Outcome ; Female ; Humans ; Liver/pathology ; Lung/pathology ; Lymph Nodes/pathology ; Lymphohistiocytosis, Hemophagocytic/diagnosis ; Lymphohistiocytosis, Hemophagocytic/pathology ; Lymphohistiocytosis, Hemophagocytic/virology ; Male ; Middle Aged ; Pandemics ; Pneumonia, Viral/complications ; Pneumonia, Viral/diagnosis ; Pneumonia, Viral/pathology ; SARS-CoV-2 ; Spleen/pathology
Keywords	covid19
Language	English
Publishing date	2020-07-17
Publishing country	England
Document type	Case Reports ; Journal Article ; Research Support, Non-U.S. Gov't
ZDB-ID	2944-0
ISSN	1943-7722 ; 0002-9173
ISSN (online)	1943-7722
ISSN	0002-9173
DOI	10.1093/ajcp/aqaa124
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Article ; Online: Distinctive pseudopalisaded histiocytic hyperplasia characterizes the transition of exudative to proliferative phase of diffuse alveolar damage in patients dying of COVID-19.

Kritselis, Michael / Yambayev, Ilyas / Prilutskiy, Andrey / Shevtsov, Artem / Vadlamudi, Charitha / Zheng, Hanqiao / Elsadwai, Murad / Ma, Lina / Aniskovich, Emily / Kataria, Yachana / Higgins, Sara / Sarita-Reyes, Carmen / Zuo, Tao / Zhao, Qing / Quillen, Karen / Burks, Eric J

Human pathology

2021 Volume 116, Page(s) 49–62

Abstract: Severe COVID-19 results in a glucocorticoid responsive form of acute respiratory distress (ARDS)/diffuse alveolar damage (DAD). Herein we compare the immunopathology of lung tissue procured at autopsy in patients dying of SARS-CoV-2 with those dying of ... ...

Abstract	Severe COVID-19 results in a glucocorticoid responsive form of acute respiratory distress (ARDS)/diffuse alveolar damage (DAD). Herein we compare the immunopathology of lung tissue procured at autopsy in patients dying of SARS-CoV-2 with those dying of DAD prior to the COVID-19 pandemic. Autopsy gross and microscopic features stratified by duration of illness in twelve patients who tested positive for SARS-CoV-2 viral RNA, as well as seven patients dying of DAD prior to the COVID-19 pandemic were evaluated with multiplex (5-plex: CD4, CD8, CD68, CD20, AE1/AE3) and SARS-CoV immunohistochemistry to characterize the immunopathologic stages of DAD. We observed a distinctive pseudopalisaded histiocytic hyperplasia interposed between the exudative and proliferative phase of COVID-19 associated DAD, which was most pronounced at the fourth week from symptom onset. Pulmonary macrothrombi were seen predominantly in cases with pseudopalisaded histiocytic hyperplasia and/or proliferative phase DAD. Neither pseudopalisaded histiocytic hyperplasia nor pulmonary macrothrombi was seen in non-COVID-19 DAD cases, whereas microthrombi were common in DAD regardless of etiology. The inflammatory pattern of pseudopalisaded histiocytic hyperplasia may represent the distinctive immunopathology associated with the dexamethasone responsive form of DAD seen in severe COVID-19.
MeSH term(s)	Adult ; Aged ; Aged, 80 and over ; COVID-19/pathology ; Cell Proliferation/physiology ; Female ; Histiocytes/pathology ; Humans ; Hyperplasia/pathology ; Lung/pathology ; Male ; Middle Aged ; Pulmonary Alveoli/pathology
Language	English
Publishing date	2021-07-14
Publishing country	United States
Document type	Journal Article ; Research Support, Non-U.S. Gov't
ZDB-ID	207657-3
ISSN	1532-8392 ; 0046-8177
ISSN (online)	1532-8392
ISSN	0046-8177
DOI	10.1016/j.humpath.2021.06.008
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